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Note: This page contains sample records for the topic "visual comfort analysis" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


1

LBNL-4417E Visual Comfort Analysis of Innovative Interior and...  

NLE Websites -- All DOE Office Websites (Extended Search)

LBNL-4417E Visual Comfort Analysis of Innovative Interior and Exterior Shading Systems for Commercial Buildings using High Resolution Luminance Images K. Konis, E.S. Lee, R.D....

2

Visual Comfort Analysis of Innovative Interior and Exterior Shading Systems  

NLE Websites -- All DOE Office Websites (Extended Search)

Visual Comfort Analysis of Innovative Interior and Exterior Shading Systems Visual Comfort Analysis of Innovative Interior and Exterior Shading Systems for Commercial Buildings using High Resolution Luminance Images Title Visual Comfort Analysis of Innovative Interior and Exterior Shading Systems for Commercial Buildings using High Resolution Luminance Images Publication Type Journal Article LBNL Report Number LBNL-4417E Year of Publication 2011 Authors Konis, Kyle, Eleanor S. Lee, and Robert D. Clear Call Number LBNL-4417E Abstract The objective of this study was to explore how calibrated high dynamic range (HDR) images (luminance maps) acquired in real world daylit environments can be used to characterize, evaluate, and compare visual comfort conditions of innovative facade shading and light-redirecting systems. Detailed (1536 x 1536 pixel) luminance maps were time-lapse acquired from two view positions in an unoccupied full scale testbed facility. These maps were analyzed using existing visual comfort metrics to quantify how innovative interior and exterior shading systems compare to conventional systems under real sun and sky conditions over a solstice-to-solstice test interval. The results provide a case study in the challenges and potential of methods of visualizing, evaluating and summarizing daily and seasonal variation of visual comfort conditions computed from large sets of image data.

3

Visual Comfort Analysis of Innovative Interior and Exterior Shading Systems for Commercial Buildings using High Resolution Luminance Images  

SciTech Connect

The objective of this study was to explore how calibrated high dynamic range (HDR) images (luminance maps) acquired in real world daylit environments can be used to characterize, evaluate, and compare visual comfort conditions of innovative facade shading and light-redirecting systems. Detailed (1536 x 1536 pixel) luminance maps were time-lapse acquired from two view positions in an unoccupied full scale testbed facility. These maps were analyzed using existing visual comfort metrics to quantify how innovative interior and exterior shading systems compare to conventional systems under real sun and sky conditions over a solstice-to-solstice test interval. The results provide a case study in the challenges and potential of methods of visualizing, evaluating and summarizing daily and seasonal variation of visual comfort conditions computed from large sets of image data.

Konis, Kyle; Lee, Eleanor; Clear, Robert

2011-01-11T23:59:59.000Z

4

Visualization framework of thermal comfort for architects (WIP)  

Science Conference Proceedings (OSTI)

For a successful integration of building energy simulation tools into the architectural workflow there is a need for better communication of the information obtained through simulation. One appropriate way of communicating that information to the technically ... Keywords: architecture, building energy simulation, information visualization, thermal comfort, visualization

Pascal Goffin; Arno Schlueter

2012-03-01T23:59:59.000Z

5

Web application for thermal comfort visualization and calculation according to ASHRAE Standard 55  

E-Print Network (OSTI)

uc/item/4db4q37h Web app. for thermal comfort visualizationWeb application for thermal comfort visualization andtool based on an open web-based weather data visualization

Schiavon, Stefano; Hoyt, Tyler; Piccioli, Alberto

2013-01-01T23:59:59.000Z

6

Web application for thermal comfort visualization and calculation according to ASHRAE Standard 55  

E-Print Network (OSTI)

item/4db4q37h Web app. for thermal comfort visualization andWeb application for thermal comfort visualization andenvironment including thermal, indoor air quality, light and

Schiavon, Stefano; Hoyt, Tyler; Piccioli, Alberto

2013-01-01T23:59:59.000Z

7

Energy and visual comfort performance of electrochromic windowswith overhangs  

SciTech Connect

DOE-2 building energy simulations were conducted to determine if there were practical architectural and control strategy solutions that would enable electrochromic (EC) windows to significantly improve visual comfort without eroding energy-efficiency benefits. EC windows were combined with overhangs since opaque overhangs provide protection from direct sun which EC windows are unable to do alone. The window wall was divided into an upper and lower aperture so that various combinations of overhang position and control strategies could be considered. The overhang was positioned either at the top of the upper window aperture or between the upper and lower apertures. Overhang depth was varied. EC control strategies were fully bleached at all times, modulated based on incident vertical solar radiation limits, or modulated to meet the design work plane illuminance with daylight. The EC performance was compared to a state-of-the-art spectrally selective low-e window with the same divided window wall, window size, and overhang as the EC configuration. The reference window was also combined with an interior shade which was manually deployed to control glare and direct sun. Both systems had the same daylighting control system to dim the electric lighting. Results were given for south-facing private offices in a typical commercial building. In hot and cold climates such as Houston and Chicago, EC windows with overhangs can significantly reduce the average annual daylight glare index (DGI) and deliver significant annual energy use savings if the window area is large. Total primary annual energy use was increased by 2-5% for moderate-area windows in either climate but decreased by 10% in Chicago and 5% in Houston for large-area windows. Peak electric demand can be reduced by 7-8% for moderate-area windows and by 14-16% for large-area windows in either climate. Energy and peak demand reductions can be significantly greater if the reference case does not have exterior shading or state-of-the-art glass.

Lee, E.S.; Tavil, A.

2005-11-03T23:59:59.000Z

8

Monitored Energy Performance of Electrochromic Windows Controlledfor Daylight and Visual Comfort  

SciTech Connect

A 20-month field study was conducted to measure the energy performance of south-facing large-area tungsten-oxide absorptive electrochromic (EC) windows with a broad switching range in a private office setting. The EC windows were controlled by a variety of means to bring in daylight while minimizing window glare. For some cases, a Venetian blind was coupled with the EC window to block direct sun. Some tests also involved dividing the EC window wall into zones where the upper EC zone was controlled to admit daylight while the lower zone was controlled to prevent glare yet permit view. If visual comfort requirements are addressed by EC control and Venetian blinds, a 2-zone EC window configuration provided average daily lighting energy savings of 10 {+-} 15% compared to the reference case with fully lowered Venetian blinds. Cooling load reductions were 0 {+-} 3%. If the reference case assumes no daylighting controls, lighting energy savings would be 44 {+-} 11%. Peak demand reductions due to window cooling load, given a critical demand-response mode, were 19-26% maximum on clear sunny days. Peak demand reductions in lighting energy use were 0% or 72-100% compared to a reference case with and without daylighting controls, respectively. Lighting energy use was found to be very sensitive to how glare and sun is controlled. Additional research should be conducted to fine-tune EC control for visual comfort based on solar conditions so as to increase lighting energy savings.

Lee, Eleanor S.; DiBartolomeo, Dennis L.; Klems, Joseph; Yazdanian, Mehry; Selkowitz, Stephen E.

2005-09-23T23:59:59.000Z

9

Visualization and data analysis  

Science Conference Proceedings (OSTI)

Talk about Visualization and Data Analysis Current State and Exascale challenges. The goal is to update with colleagues our current status in our research. What challenges we need to face, and what future possibilities. Our goal is to propose to approach the problems with the visualization approach operating on the supercomputing platform. This presentation is about the L2 Milestone, we intend to discuss further possibilities of enhancing our results and optimizing our solutions.

Ahrens, James P [Los Alamos National Laboratory; Rodgers, David [SNL; Springmeyer, Becky [LLNL

2010-12-21T23:59:59.000Z

10

Energy consumption and comfort analysis for different low-energy cooling systems in a mild climate  

E-Print Network (OSTI)

. Additional energy savings could be achieved by installing cooling towers in order to obtain free cooling to the chilled water loop for much of the year. However, cooling towers are generally not used in the U1 Energy consumption and comfort analysis for different low- energy cooling systems in a mild

Chen, Qingyan "Yan"

11

Collaborative Visualization and the Analysis Pipeline | Argonne...  

NLE Websites -- All DOE Office Websites (Extended Search)

Science & Engineering Applications Collaborative Visualization and the Analysis Pipeline Collaborative Visualization and the Analysis Pipeline Integration of Access Grid and...

12

Visualization and data analysis outbrief  

Science Conference Proceedings (OSTI)

Talk about Visualization and Data Analysis Current State and Exascale challenges. The goal is to update with colleagues our current status in our research. What challenges we need to face, and what future possibilities. Our goal is to propose to approach the problems with the visualization approach operating on the supercomputing platform. This presentation is about the L2 Milestone, we intend to discuss further possibilities of enhancing our results and optimizing our solutions.

Ahrens, James P [Los Alamos National Laboratory; Monroe, Laura M [Los Alamos National Laboratory; Tomlinson, Robert D [Los Alamos National Laboratory; Rodgers, David [SNL; Springmeyer, Becky [LLNL; Harrison, Cyrus [LLNL; Pavlakos, Dino [SNL

2010-12-21T23:59:59.000Z

13

VCAT: Visual Crosswalk Analysis Tool  

SciTech Connect

VCAT is a knowledge modeling and analysis tool. It was synthesized from ideas in functional analysis, business process modeling, and complex network science. VCAT discovers synergies by analyzing natural language descriptions. Specifically, it creates visual analytic perspectives that capture intended organization structures, then overlays the serendipitous relationships that point to potential synergies within an organization or across multiple organizations.

Cleland, Timothy J. [Los Alamos National Laboratory; Forslund, David W. [Los Alamos National Laboratory; Cleland, Catherine A. [Los Alamos National Laboratory

2012-08-31T23:59:59.000Z

14

Solutions for Data Visualization and Image Analysis  

Science Conference Proceedings (OSTI)

Feb 7, 2007 ... The link provided accesses an interactive index of computation, data analysis, and visualization tools by ITT Visual Information Solutions.

15

Field Analysis of Thermal Comfort in Two Energy Efficient Office Buildings in Malaysia  

E-Print Network (OSTI)

In recent years, there has been a growing interest to include passive concepts in buildings as a design strategy for achieving energy efficiency and optimum indoor thermal comfort in workspace as well. The paper attempts to evaluate the effectiveness of tropical passive solar control components in integrating thermal comfort with energy efficiency in office building. Field measurements are carried out in selected workspace of two office buildings that have been practiced the passive solar control. Solar radiation, air temperature, globe temperature, relative humidity and air velocity were measured for seven days including the non-working days, both indoors and outdoors for each building along with direct occupant's survey to compare the measurement and the votes of occupants under the same environment. The result shows that the thermal comfort parameters lie within the recommended comfort zone of Malaysian Standards with exception of an air movement in the workspace of both buildings. The result suggested workers' preferable condition.

Qahtan, A. T.; Keumala, N.; Rao, S. P.; Samad, Z. A.

2010-01-01T23:59:59.000Z

16

SUBSURFACE VISUAL ALARM SYSTEM ANALYSIS  

SciTech Connect

The ''Subsurface Fire Hazard Analysis'' (CRWMS M&O 1998, page 61), and the document, ''Title III Evaluation Report for the Surface and Subsurface Communication System'', (CRWMS M&O 1999a, pages 21 and 23), both indicate the installed communication system is adequate to support Exploratory Studies Facility (ESF) activities with the exception of the mine phone system for emergency notification purposes. They recommend the installation of a visual alarm system to supplement the page/party phone system The purpose of this analysis is to identify data communication highway design approaches, and provide justification for the selected or recommended alternatives for the data communication of the subsurface visual alarm system. This analysis is being prepared to document a basis for the design selection of the data communication method. This analysis will briefly describe existing data or voice communication or monitoring systems within the ESF, and look at how these may be revised or adapted to support the needed data highway of the subsurface visual alarm. system. The existing PLC communication system installed in subsurface is providing data communication for alcove No.5 ventilation fans, south portal ventilation fans, bulkhead doors and generator monitoring system. It is given that the data communication of the subsurface visual alarm system will be a digital based system. It is also given that it is most feasible to take advantage of existing systems and equipment and not consider an entirely new data communication system design and installation. The scope and primary objectives of this analysis are to: (1) Briefly review and describe existing available data communication highways or systems within the ESF. (2) Examine technical characteristics of an existing system to disqualify a design alternative is paramount in minimizing the number of and depth of a system review. (3) Apply general engineering design practices or criteria such as relative cost, and degree of difficulty and complexity in determining requirements in adapting existing data communication highways to support the subsurface visual alarm system. These requirements would include such things as added or new communication cables, added Programmable Logic Controller (PLC), Inputs and Outputs (I/O), and communication hardware components, and human machine interfaces and their software operating system. (4) Select the best data communication highway system based on this review of adapting or integrating with existing data communication systems.

D.W. Markman

2001-08-06T23:59:59.000Z

17

Bonnyrigg solar village: An analysis of annual energy use and comfort  

SciTech Connect

In 1981, 12 solar-efficient houses and 3 standard houses were designed and built for the New South Wales Housing commission near Sydney, Australia. Recently, a pilot study was done to evaluate the energy use and comfort levels in these 15 houses over a two-year period. Heavyweight, well insulated houses, as a group, used the least energy annually, averaging 19,235 MJ in 1983-1984. They are least likely to require winter space heating, which typically contributes 31% of the total energy bill. A trade-off of a well insulated house is less comfort in the summer unless active measures are taken by the residents to open windows in the evenings and close shades in the day for effective cooling. Even so, the four houses with heavyweight wall construction remained in the daytime comfort zone an average of 76% of the time in 1983. The annual energy use in the houses was compared to other studies done in Australia. The average energy consumption of the 12 passive solar homes was 22,687 MJ/year in the two-year period 1983-1984. Bartels (1985) found the average household consumption in New South Wales to be 28,000 MJ. The three control houses used 30,059 MJ/year on average, though the sample size was considerably smaller, and thus more likely to be affected by atypical user behavior. This study provides clear evidence of the effectiveness of solar efficient design in significantly reducing winter heating loads.

Ballinger, J.A.; Di Franco, T.L.; Prasad, D.K. (Univ. of New South Wales, Sydney (Australia))

1993-06-01T23:59:59.000Z

18

Visualization and Data Analysis at the Exascale  

SciTech Connect

The scope of our working group is scientific visualization and data analysis. Scientific visualization refers to the process of transforming scientific simulation and experimental data into images to facilitate visual understanding. Data analysis refers to the process of transforming data into an information-rich form via mathematical or computational algorithms to promote better understanding. We share scope on data management with the Storage group. Data management refers to the process of tracking, organizing and enhancing the use of scientific data. The purpose of our work is to enable scientific discovery and understanding. Visualization and data analysis has a broad scope as an integral part of scientific simulations and experiments, it is also a distinct separate service for scientific discovery and documentation purposes. Our scope includes an exascale software and hardware infrastructure that effectively supports visualization and data analysis.

Ahrens, James P. [Los Alamos National Laboratory

2011-01-01T23:59:59.000Z

19

Occam's razor and petascale visual data analysis  

SciTech Connect

One of the central challenges facing visualization research is how to effectively enable knowledge discovery. An effective approach will likely combine application architectures that are capable of running on today's largest platforms to address the challenges posed by large data with visual data analysis techniques that help find, represent, and effectively convey scientifically interesting features and phenomena.

Bethel, E Wes [Lawrence Berkeley National Laboratory (LBNL); Johnson, Chris [University of Utah; Ahern, Sean [ORNL; Bell, J. [Lawrence Berkeley National Laboratory (LBNL); Bremer, Peer-Timo [Lawrence Livermore National Laboratory (LLNL); Childs, Hank [Lawrence Livermore National Laboratory (LLNL); Cormier-Michel, E [unknown; Day, M. [Lawrence Berkeley National Laboratory (LBNL); Deines, E. [University of California, Davis; Fogal, T. [University of Utah; Garth, Christoph [unknown; Geddes, C.G.R. [unknown; Hagen, H [unknown; Hamann, Bernd [unknown; Hansen, Charles [University of Utah; Jacobsen, Janet [Lawrence Berkeley National Laboratory (LBNL); Joy, Kenneth [University of California, Davis; Kruger, J. [University of Utah; Meredith, Jeremy S [ORNL; Messmer, P [unknown; Ostrouchov, George [ORNL; Pascucci, Valerio [Lawrence Livermore National Laboratory (LLNL); Potter, K. [University of Utah; Prabhat, [Lawrence Berkeley National Laboratory (LBNL); Pugmire, Dave [ORNL; Ruebel, O [unknown; Sanderson, Allen [University of Utah; Silva, C. [University of Utah; Ushizima, D. [Lawrence Berkeley National Laboratory (LBNL); Weber, G. [Lawrence Berkeley National Laboratory (LBNL); Whitlock, B. [Lawrence Livermore National Laboratory (LLNL); Wu, K. [Lawrence Berkeley National Laboratory (LBNL)

2009-01-01T23:59:59.000Z

20

Occam's Razor and Petascale Visual Data Analysis  

Science Conference Proceedings (OSTI)

One of the central challenges facing visualization research is how to effectively enable knowledge discovery. An effective approach will likely combine application architectures that are capable of running on today?s largest platforms to address the challenges posed by large data with visual data analysis techniques that help find, represent, and effectively convey scientifically interesting features and phenomena.

Bethel, E. Wes; Johnson, Chris; Ahern, Sean; Bell, John; Bremer, Peer-Timo; Childs, Hank; Cormier-Michel, Estelle; Day, Marc; Deines, Eduard; Fogal, Tom; Garth, Christoph; Geddes, Cameron; Hagen, Hans; Hamann, Bernd; Hansen, Charles; Jacobsen, Janet; Joy, Ken; Kruger, Jens; Meredith, Jeremy; Messmer, Peter; Ostrouchov, George; Pascucci, Valerio; Potter, Kristi; Prabhat, D.; Pugmire, David; Rubel, Oliver; Sanderson, Allen; Silva, Claudio; Ushizima, Daniela; Weber, Gunther; Whitlock, Brad; Wu, Kesheng

2009-06-12T23:59:59.000Z

Note: This page contains sample records for the topic "visual comfort analysis" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

APPENDIX B: VISUALIZATION, PHOTO ANALYSIS & SHADOW FLICKER ANALYSIS  

NLE Websites -- All DOE Office Websites (Extended Search)

27 Archbold Area Schools Wind Turbine Project Turbine Visualization and Photo Analysis Prepared for: Archbold Area Schools Prepared by: The Renaissance Group, a Conserve First LLC...

22

Building Energy Software Tools Directory: Thermal Comfort  

NLE Websites -- All DOE Office Websites (Extended Search)

Thermal Comfort Thermal Comfort logo. Provides a user-friendly interface for calculating thermal comfort parameters and making thermal comfort predictions using several thermal...

23

ThermoComfort_0809  

NLE Websites -- All DOE Office Websites (Extended Search)

Guide to Setting Thermal Comfort Guide to Setting Thermal Comfort Criteria and Minimizing Energy Use in Delivering Thermal Comfort Cindy Regnier Environmental Energy Technologies Division August 2012 LBNL-6131E 2 Disclaimer This document was prepared as an account of work sponsored by the United States Government. While this document is believed to contain correct information, neither the United States Government nor any agency thereof, nor The Regents of the University of California, nor any of their employees, makes any warranty, express or implied, or assumes any legal responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned

24

DOE Solar Decathlon: Comfort Zone  

NLE Websites -- All DOE Office Websites (Extended Search)

Decathlon Comfort Zone Contest, teams design their houses to keep temperature and humidity steady, uniform, and comfortable. Full points are awarded for maintaining narrow...

25

Texas Thermal Comfort Report  

NLE Websites -- All DOE Office Websites (Extended Search)

thermal comfort thermal comfort Too often, the systems in our houses are both physically and intellectually inaccessible. In the SNAP House, HVAC components are integrated into the overall structure, and act as an experiential threshold between public and private spaces. They are located in a central, structural chase that supports the clerestory and gives the systems a functional presence within the interior. Each individual component is contained within a single chase

26

Pettisville Appendix B - Visualization and Shadow Flicker Analysis...  

NLE Websites -- All DOE Office Websites (Extended Search)

2010: Conserve First LLC Attachment 1, Appendix C Page 1 of 24 Pettisville Local Schools Wind Turbine Project Turbine Visualization and Photo Analysis Prepared for: Pettisville...

27

Big data visual analytics for exploratory earth system simulation analysis  

Science Conference Proceedings (OSTI)

Rapid increases in high performance computing are feeding the development of larger and more complex data sets in climate research, which sets the stage for so-called ''big data'' analysis challenges. However, conventional climate analysis techniques ... Keywords: Big data, Climate, Data intensive computing, Data mining, Multivariate, Parallel coordinates, Sensitivity analysis, Statistical visualization, Visualization

Chad A. Steed, Daniel M. Ricciuto, Galen Shipman, Brian Smith, Peter E. Thornton, Dali Wang, Xiaoying Shi, Dean N. Williams

2013-12-01T23:59:59.000Z

28

Guided Text Analysis Using Adaptive Visual Analytics  

SciTech Connect

This paper demonstrates the promise of augmenting interactive visualizations with semi-supervised machine learning techniques to improve the discovery of significant associations and insight in the search and analysis of textual information. More specifically, we have developed a system called Gryffin that hosts a unique collection of techniques that facilitate individualized investigative search pertaining to an ever-changing set of analytical questions over an indexed collection of open-source publications related to national infrastructure. The Gryffin client hosts dynamic displays of the search results via focus+context record listings, temporal timelines, term- frequency views, and multiple coordinated views. Furthermore, as the analyst interacts with the display, the interactions are recorded and used to label the search records. These labeled records are then used to drive semi-supervised machine learning algorithms that re-rank the unlabeled search records such that potentially relevant records are moved to the top of the record listing. Gryffin is described in the context of the daily tasks encountered at the Department of Homeland Securitys Fusion Centers, with whom we are collaborating in its development. The resulting system is capable of addressing the analysts information overload that can be directly attributed to the deluge of information that must be addressed in search and investigative analysis of textual information.

Steed, Chad A [ORNL; Symons, Christopher T [ORNL; DeNap, Frank A [ORNL; Potok, Thomas E [ORNL

2012-01-01T23:59:59.000Z

29

CommentSpace: structured support for collaborative visual analysis  

Science Conference Proceedings (OSTI)

Collaborative visual analysis tools can enhance sensemaking by facilitating social interpretation and parallelization of effort. These systems enable distributed exploration and evidence gathering, allowing many users to pool their effort as they discuss ... Keywords: asynchronous collaboration, information visualization, social data analysis, tagging

Wesley Willett; Jeffrey Heer; Joseph Hellerstein; Maneesh Agrawala

2011-05-01T23:59:59.000Z

30

comfort | OpenEI Community  

Open Energy Info (EERE)

comfort comfort Home Buildings Description: This group is dedicated to discussions about green buildings, energy use in buildings, occupant comfort in buildings, and building technologies. The OpenEI Buildings Community Group will be dedicated to discussions, blogs, and postings about new building technologies, green buildings, energy use in buildings, and occupant experience (comfort levels) in green buildings. architecture building reviews buildings technology comfort energy use facilities management green building LEED technologies usgbc Dc's picture Submitted by Dc(10) Member 17 September, 2013 - 12:39 Are you willing to reply to a text message once a day with information about your comfort level at your indoor location? building comfort design improve incentive indoor message

31

RESIDENTIAL THERMOSTATS: COMFORT CONTROLS IN CALIFORNIA HOMES  

E-Print Network (OSTI)

Although heating and cooling for thermal comfort inconcerning health, thermal comfort, and alternative coolingand cooling costs while maintaining acceptable thermal

Meier, Alan K.

2008-01-01T23:59:59.000Z

32

Investigative analysis across documents and drawings: visual analytics for archaeologists  

Science Conference Proceedings (OSTI)

With the invention and rapid improvement of data-capturing devices, such as satellite imagery and digital cameras, the information that archaeologists must manage in their everyday's activities has rapidly grown in complexity and amount. In this work ... Keywords: information visualization, investigative analysis, rock art archaeology, visual analytics

V. Deufemia; L. Paolino; G. Tortora; A. Traverso; V. Mascardi; M. Ancona; M. Martelli; N. Bianchi; H. De Lumley

2012-05-01T23:59:59.000Z

33

Toward visual analysis of ensemble data sets  

Science Conference Proceedings (OSTI)

The rapid and continuing increase in available high-performance computing resources has driven simulation-based science in two directions. First, the simulations themselves are growing more complex, whether in the fidelity of the models, spatiotemporal ... Keywords: Delphi theory, ensemble data sets, parallel databases, scientific data management, statistics, visualization

Andrew T. Wilson; Kristin C. Potter

2009-11-01T23:59:59.000Z

34

TIAA: A Visual Toolkit for Intrusion Alert Analysis  

Science Conference Proceedings (OSTI)

This paper presents the development of TIAA, a visual toolkit for intrusion alert analysis. TIAA is developed to provide an interactive platform for analyzing potentially large sets of intrusion alerts reported by heterogeneous intrusion detection systems ...

Ning, P

2003-03-01T23:59:59.000Z

35

Definition: Software - Advanced Analysis/Visualization | Open Energy  

Open Energy Info (EERE)

Software - Advanced Analysis/Visualization Software - Advanced Analysis/Visualization Jump to: navigation, search Dictionary.png Software - Advanced Analysis/Visualization Systems installed to analyze grid information or help human operators.[1] Related Terms System References ↑ [www.smartgrid.gov/sites/default/files/pdfs/description_of_assets.pdf SmartGrid.gov 'Description of Assets'] An Like Like You like this.Sign Up to see what your friends like. inline Glossary Definition Retrieved from "http://en.openei.org/w/index.php?title=Definition:Software_-_Advanced_Analysis/Visualization&oldid=480431" Categories: Definitions ISGAN Definitions What links here Related changes Special pages Printable version Permanent link Browse properties About us Disclaimers Energy blogs Linked Data Developer services

36

Visual Comfort Analysis of Innovative Interior and Exterior Shading Systems for Commercial Buildings using High Resolution Luminance Images  

E-Print Network (OSTI)

A source book on daylighting systems and components. Adaylighting. Casual inspection of these buildings in operation often reveals that shading systemssystems that employ one or more of the following strategies: sub-division of the window wall into an upper daylighting

Konis, Kyle

2011-01-01T23:59:59.000Z

37

The Ultra-scale Visualization Climate Data Analysis Tools (UV-CDAT): Data Analysis and Visualization for Geoscience Data  

SciTech Connect

To support interactive visualization and analysis of complex, large-scale climate data sets, UV-CDAT integrates a powerful set of scientific computing libraries and applications to foster more efficient knowledge discovery. Connected through a provenance framework, the UV-CDAT components can be loosely coupled for fast integration or tightly coupled for greater functionality and communication with other components. This framework addresses many challenges in the interactive visual analysis of distributed large-scale data for the climate community.

Williams, Dean N. [Lawrence Livermore National Laboratory (LLNL); Bremer, Peer-Timo [Lawrence Livermore National Laboratory (LLNL); Doutriaux, Charles [Lawrence Livermore National Laboratory (LLNL); Patchett, John [Los Alamos National Laboratory (LANL); Williams, Sean [Los Alamos National Laboratory (LANL); Shipman, Galen M [ORNL; Miller, Ross G [ORNL; Pugmire, Dave [ORNL; Smith, Brian E [ORNL; Steed, Chad A [ORNL; Bethel, E Wes [Lawrence Berkeley National Laboratory (LBNL); Childs, Hank [Lawrence Berkeley National Laboratory (LBNL); Krishnan, Harinarayan [Lawrence Berkeley National Laboratory (LBNL); Silva, Claudio T. [New York University, Center for Urban Sciences; Santos, Emanuele [Universidade Federal do Ceara, Ceara, Brazil; Koop, David [New York University; Ellqvist, Tommy [New York University; Poco, Jorge [Polytechnic Institute of New York University; Geveci, Berk [Kitware; Chaudhary, Aashish [Kitware; Bauer, Andy [Kitware; Pletzer, Alexander [Tech-X Corporation; Kindig, Dave [Tech-X Corporation; Potter, Gerald [National Aeronautics and Space Administration (NASA); Maxwell, Thomas P. [National Aeronautics and Space Administration (NASA)

2013-01-01T23:59:59.000Z

38

The Ultra-scale Visualization Climate Data Analysis Tools (UV-CDAT): Data Analysis and Visualization for Geoscience Data  

SciTech Connect

To support interactive visualization and analysis of complex, large-scale climate data sets, UV-CDAT integrates a powerful set of scientific computing libraries and applications to foster more efficient knowledge discovery. Connected through a provenance framework, the UV-CDAT components can be loosely coupled for fast integration or tightly coupled for greater functionality and communication with other components. This framework addresses many challenges in interactive visual analysis of distributed large-scale data for the climate community.

Doutriaux, Charles [Lawrence Livermore National Laboratory (LLNL); Patchett, John [Los Alamos National Laboratory (LANL); Williams, Dean N. [Lawrence Livermore National Laboratory (LLNL); Miller, Ross G [ORNL; Steed, Chad A [ORNL; Krishnan, Harinarayan [Lawrence Berkeley National Laboratory (LBNL); Silva, Claudio T. [New York University, Center for Urban Sciences; Chaudhary, Aashish [Kitware; Bremer, Peer-Timo [Lawrence Livermore National Laboratory (LLNL); Pugmire, Dave [ORNL; Bethel, E Wes [Lawrence Berkeley National Laboratory (LBNL); Childs, Hank [Lawrence Berkeley National Laboratory (LBNL); Prabhat, [Lawrence Berkeley National Laboratory (LBNL); Geveci, Berk [Kitware; Bauer, Andy [Kitware; Pletzer, Alexander [Tech-X Corporation; Poco, Jorge [Polytechnic Institute of New York University; Ellqvist, Tommy [New York University; Santos, Emanuele [Universidade Federal do Ceara, Ceara, Brazil; Potter, Gerald [National Aeronautics and Space Administration (NASA); Smith, Brian E [ORNL; Maxwell, Thomas P. [National Aeronautics and Space Administration (NASA); Kindig, Dave [Tech-X Corporation; Koop, David [New York University

2013-01-01T23:59:59.000Z

39

Visualization and data analysis-current state and exascale challenges  

Science Conference Proceedings (OSTI)

Talk about Visualization and Data Analysis Current State and Exascale challenges. The goal is to update with colleagues our current status in our research. What challenges we need to face, and what future possibilities. Our goal is to propose to approach the problems with the visualization approach operating on the supercomputing platform. This presentation is about the L2 Milestone, we intend to discuss further possibilities of enhancing our results and optimizing our solutions.

Ahrens, James P [Los Alamos National Laboratory; Rodgers, David [SNL; Springmeyer, Becky [LLNL

2010-12-21T23:59:59.000Z

40

Using Dashboards to Improve Energy and Comfort in Federal Buildings  

NLE Websites -- All DOE Office Websites (Extended Search)

Using Dashboards to Improve Energy and Comfort in Federal Buildings Using Dashboards to Improve Energy and Comfort in Federal Buildings Title Using Dashboards to Improve Energy and Comfort in Federal Buildings Publication Type Report LBNL Report Number LBNL-4283E Year of Publication 2011 Authors Marini, Kyle, Girish Ghatikar, and Richard C. Diamond Call Number LBNL-4283E Keywords commercial buildings, dashboards, energy, feedback, monitoring Abstract Federal agencies are taking many steps to improve the sustainability of their operations, including improving the energy efficiency of their buildings, promoting recycling and reuse of materials, encouraging carpooling and alternative transit schemes, and installing low flow water fixture units are just a few of the common examples. However, an often overlooked means of energy savings is to provide feedback to building users about their energy use through information dashboards connected to a building's energy information system.An Energy Information System (EIS), broadly defined, is a package of performance monitoring software, data acquisition hardware, and communication systems that is used to collect, store, analyze, and display energy information. At a minimum, the EIS provides the whole-building energy-use information (Granderson 2009a). We define a "dashboard" as a display and visualization tool that utilizes the EIS data and technology to provide critical information to users. This information can lead to actions resulting in energy savings, comfort improvements, efficient operations, and more. The tools to report analyzed information have existed in the information technology as business intelligence (Few 2006). The dashboard is distinguished from the EIS as a whole, which includes additional hardware and software components to collect and storage data, and analysis for resources and energy management (Granderson 2009b). EIS can be used for a variety of uses, including benchmarking, base-lining, anomaly detection, off-hours energy use evaluation, load shape optimization, energy rate analysis, retrofit and retro-commissioning savings (Granderson 2009a). The use of these EIS features depends on the specific users. For example, federal and other building managers may use anomaly detection to identify energy waste in a specific building, or to benchmark energy use in similar buildings to identify energy saving potential and reduce operational cost. There are several vendors of EIS technology that provide information on energy and other environmental variables in buildings.

Note: This page contains sample records for the topic "visual comfort analysis" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

Social recommendation and visual analysis on the TV  

Science Conference Proceedings (OSTI)

In this paper, we present prototype interactive TV software that incorporates visual content analysis tools and social networking in the home TV. We present the challenges of working with the living room TV environment and outline how we have utilized ... Keywords: content analysis, interactive tv, multimedia entertainment

Cathal Gurrin; Hyowon Lee; Paul Ferguson; Alan F. Smeaton; Noel E. O'Connor; Yoonhee Choi; Heeseon Park

2010-10-01T23:59:59.000Z

42

Data Analysis & Visualization Division | Neutron Science | ORNL  

NLE Websites -- All DOE Office Websites (Extended Search)

develops software and hardware for the reduction and analysis of data taken on SNS and HFIR neutron scattering instruments. We work closely with the SNS and HFIR Data Acquisition...

43

Indoor Thermal Comfort, an Evolutionary Biology Perspective  

E-Print Network (OSTI)

ASHRAE Standard 55-2004: Thermal environmental conditionsA behavioural approach to thermal comfort assessment inBerger, X. , 1998. Human thermal comfort at Nimes in summer

Stoops, John L.

2006-01-01T23:59:59.000Z

44

Indoor Thermal Comfort, an Evolutionary Biology Perspective  

E-Print Network (OSTI)

Comfort, an Evolutionary Biology Perspective John L. StoopsComfort, Evolutionary Biology, Thermo Regulation, ThermalFrom an evolutionary biology perspective, the physiological

Stoops, John L.

2006-01-01T23:59:59.000Z

45

Visual Data Analysis as an Integral Part of Environmental Management  

Science Conference Proceedings (OSTI)

The U.S. Department of Energy's (DOE) Office of Environmental Management (DOE/EM) currently supports an effort to understand and predict contaminant fate and transport in natural and engineered systems. Geologists, hydrologists, physicists and computer scientists are working together to create models of existing contaminated sites and to simulate their behavior. Simulation results are verified based on historical data and extrapolated into the future. Visualization is used for model setup verification, visual analysis of high-performance computing simulation results, and uncertainty quantification. This article describes the challenges and solutions for visual data analysis, which impacts the decision-making process for each of the contaminated sites. Lessons learned from these simulations will also have an impact on deciding on treatment measures for other, similarly contaminated areas, including those affected by more recent events, such as Chernobyl and Fukushima.

Meyer, Joerg; Bethel, E. Wes; Horsman, Jennifer L.; Hubbard, Susan S.; Krishnan, Hari; Romosan, Alex; Keating, Elizabeth; Monroe, Laura M.; Strelitz, Richard; Moore, Philip; Taylor, Glenn; Torkian, Ben; Johnson, Timothy C.; Gorton, Ian

2012-12-01T23:59:59.000Z

46

Big Data Visual Analytics for Exploratory Earth System Simulation Analysis  

SciTech Connect

Rapid increases in high performance computing are feeding the development of larger and more complex data sets in climate research, which sets the stage for so-called big data analysis challenges. However, conventional climate analysis techniques are inadequate in dealing with the complexities of today s data. In this paper, we describe and demonstrate a visual analytics system, called the Exploratory Data analysis ENvironment (EDEN), with specific application to the analysis of complex earth system simulation data sets. EDEN represents the type of interactive visual analysis tools that are necessary to transform data into insight, thereby improving critical comprehension of earth system processes. In addition to providing an overview of EDEN, we describe real-world studies using both point ensembles and global Community Land Model Version 4 (CLM4) simulations.

Steed, Chad A [ORNL; Ricciuto, Daniel M [ORNL; Shipman, Galen M [ORNL; Smith, Brian E [ORNL; Thornton, Peter E [ORNL; Wang, Dali [ORNL; Shi, Xiaoying [ORNL; Williams, Dean N. [Lawrence Livermore National Laboratory (LLNL)

2013-01-01T23:59:59.000Z

47

Cornell University Thermal Comfort Report  

NLE Websites -- All DOE Office Websites (Extended Search)

Thermal Comfort Thermal Comfort Thermal comfort in the CUSD home is a top priority for our team. Accordingly, we designed a redundant HVAC system that would carefully manage the comfort of our decathletes and guests throughout the competition and the life of the house. The CUSD home's HVAC system was optimized for Washington, DC, with the cold Ithaca climate in mind. Our design tools included a schematic energy-modeling interface called TREAT, which was built off of the SuNREL platform. TREAT was used to passively condition the space. Our schematic energy modeling helped us properly size window areas, overhangs, and building mass distribution. We used a computation fluid dynamics (CFD) package called AirPak, to refine our design. The home was modeled in both

48

Earth Comfort | Open Energy Information  

Open Energy Info (EERE)

Comfort Comfort Jump to: navigation, search Name Earth Comfort Place Okemos, Michigan Zip 48864 Sector Geothermal energy Product Earth Comfort is a website that gives information on how geothermal heating and cooling works and links to how much it would cost, dealers, etc. Coordinates 42.71511°, -84.430264° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":42.71511,"lon":-84.430264,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

49

Data analysis, visualization and knowledge discovery in sustainable data centers  

Science Conference Proceedings (OSTI)

A significant amount of energy consumption is now attributed to data centers due to their ever increasing numbers, size and power densities. Thus, there are efforts focused at making a data center more sustainable by reducing its energy consumption and ... Keywords: compute, cooling, data analysis, data centers, knowledge discovery, power, sustainability, visualization

Manish Marwah; Ratnesh Sharma; Rocky Shih; Chandrakant Patel; Vaibhav Bhatia; Mohandas Mekanapurath; Rajkumar Velumani; Sankaragopal Velayudhan

2009-01-01T23:59:59.000Z

50

RESIDENTIAL THERMOSTATS: COMFORT CONTROLS IN CALIFORNIA HOMES  

E-Print Network (OSTI)

comfort, and alternative cooling strategies. Occupants veryNon-Compressor Cooling Alternatives for Reducing Residential

Meier, Alan K.

2008-01-01T23:59:59.000Z

51

Affordable Comfort | Open Energy Information  

Open Energy Info (EERE)

Comfort Comfort Jump to: navigation, search Name Affordable Comfort Address 1187 Thorn Run Extension Place Moon Township, PA Zip 15108 Website http://www.affordablecomfort.o Coordinates 40.5134011°, -80.210059° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":40.5134011,"lon":-80.210059,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

52

Climate, comfort, & natural ventilation: a new adaptive comfort standard for ASHRAE standard 55  

E-Print Network (OSTI)

Guidelines for Comfort. ASHRAE Journal, vol 42, no. 8,Comfort in Office Buildings, ASHRAE Transactions, Vol. 94,System in Office Buildings. ASHRAE Transactions, Vol 104 (

Brager, G. S.; de Dear, R.

2001-01-01T23:59:59.000Z

53

Ultrascale Visualization Climate Data Analysis Tools (UV-CDAT): Semi-Annual Progress Report  

SciTech Connect

This report summarizes work carried out by the Ultrascale Visualization Climate Data Analysis Tools (UV-CDAT) Team for the period of July 1, 2011 through December 31, 2011. It discusses highlights, overall progress, period goals, and collaborations and lists papers and presentations. The UV-CDAT team is positioned to address the following high-level visualization requirements: (1) Alternative parallel streaming statistics and analysis pipelines - Data parallelism, Task parallelism, Visualization parallelism; (2) Optimized parallel input/output (I/O); (3) Remote interactive execution; (4) Advanced intercomparison visualization; (5) Data provenance processing and capture; and (6) Interfaces for scientists - Workflow data analysis and visualization construction tools, Visualization interfaces.

Williams, D N

2012-02-29T23:59:59.000Z

54

Guide to Setting Thermal Comfort Criteria and Minimizing Energy...  

NLE Websites -- All DOE Office Websites (Extended Search)

Guide to Setting Thermal Comfort Criteria and Minimizing Energy Use in Delivering Thermal Comfort Title Guide to Setting Thermal Comfort Criteria and Minimizing Energy Use in...

55

Comparison of two paradigms for image analysis in visual sensor networks  

Science Conference Proceedings (OSTI)

This interactive demo presents and compares two different paradigms for image analysis in visual sensor networks (VSN), using a testbed based on battery-operated Beagle-Bone platforms with sight and wireless communication capabilities. Keywords: image analysis, visual features, visual sensor networks

A. Canclini, L. Baroffio, M. Cesana, A. Redondi, M. Tagliasacchi

2013-11-01T23:59:59.000Z

56

Window performance for human thermal comfort  

E-Print Network (OSTI)

gender, acclimation state, the opportunity to adjust clothing and physical disability on requirements for thermal comfort. Energy

Huizenga, C; Zhang, H.; Mattelaer, P.; Yu, T.; Arens, Edward A; Lyons, P.

2006-01-01T23:59:59.000Z

57

NREL: Energy Analysis - Data Analysis and Visualization Staff  

NLE Websites -- All DOE Office Websites (Extended Search)

solar water-heating experience Primary research interests Macroeconomic energy-impact analysis Wind-power market modeling Transient power system modeling Building performance...

58

Visual Resource Analysis to Identify and Mitigate Visual Impacts of Energy  

NLE Websites -- All DOE Office Websites (Extended Search)

Visual Impacts of Energy Facilities Visual Impacts of Energy Facilities The potential visual effects of utility-scale energy facilities on the nation's scenic, cultural, and historic resources have become a factor in slowing or halting energy and electric transmission projects. Concerns about the potential visual effects of utility-scale energy facilities on the nation's scenic, cultural, and historic resources have become a factor in slowing or halting energy and electric transmission projects. Because these projects are so important to the nation's energy supply, their potential visual impacts need to be identified and mitigated. The EVS Division has undertaken a number of studies to analyze visual resources. Detailed information about this work is online at http://visualimpact.anl.gov/.

59

Visualization and analysis of eddies in a global ocean simulation  

SciTech Connect

Eddies at a scale of approximately one hundred kilometers have been shown to be surprisingly important to understanding large-scale transport of heat and nutrients in the ocean. Due to difficulties in observing the ocean directly, the behavior of eddies below the surface is not very well understood. To fill this gap, we employ a high-resolution simulation of the ocean developed at Los Alamos National Laboratory. Using large-scale parallel visualization and analysis tools, we produce three-dimensional images of ocean eddies, and also generate a census of eddy distribution and shape averaged over multiple simulation time steps, resulting in a world map of eddy characteristics. As expected from observational studies, our census reveals a higher concentration of eddies at the mid-latitudes than the equator. Our analysis further shows that mid-latitude eddies are thicker, within a range of 1000-2000m, while equatorial eddies are less than 100m thick.

Williams, Sean J [Los Alamos National Laboratory; Hecht, Matthew W [Los Alamos National Laboratory; Petersen, Mark [Los Alamos National Laboratory; Strelitz, Richard [Los Alamos National Laboratory; Maltrud, Mathew E [Los Alamos National Laboratory; Ahrens, James P [Los Alamos National Laboratory; Hlawitschka, Mario [UC DAVIS; Hamann, Bernd [UC DAVIS

2010-10-15T23:59:59.000Z

60

University of Colorado Thermal Comfort Report  

NLE Websites -- All DOE Office Websites (Extended Search)

A A Warmboard sub-floor with tubing and wood Image Courtsey of Warmboard Image Thermal Comfort "That Condition of mind, which expresses satisfaction with the thermal environment" (ASHRAE Standard 55) Design Criteria Design Criteria Design Criteria Design Criteria 1. Thermally comfortable conditions achieved by integrating technologically and economically innovative, low-energy strategies: a. Temperatures between 72 o F and 76 o F b. Humidity between 40.0% and 55.0% 2. Minimal distractions to the occupant 3. Easy control of thermal comfort system 4. Uniform thermal conditions exist throughout the house Bio Bio Bio Bio- - - -S S S S ( ( ( (h h h h) ) ) ) ip ip ip ip Thermal Comfort Features Thermal Comfort Features Thermal Comfort Features Thermal Comfort Features

Note: This page contains sample records for the topic "visual comfort analysis" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


61

NERSC Visualization and Analysis for Nanoscale Control of Geologic Carbon  

NLE Websites -- All DOE Office Websites (Extended Search)

Nanocontrol of CO2 Nanocontrol of CO2 Visualization and Analysis for Nanoscale Control of Geologic Carbon Dioxide Goals * Collect experimental 2D-3D imaging data in order to investigate fluid-fluid and fluid-rock interactions; * Provide algorithms for better understanding of processes governing fluid-fluid and fluid-rock systems, related to geologic sequestration of CO2; * Develop image processing methods for analyzing experimental data and comparing it to simulations; * Detect/reconstruct material interfaces, quantify contact angles, derive contact angle distribution, etc. Impact * Unveil knowledge required for developing technology to store CO2 safely in deep surface rock formations, thus reducing amount of CO2 in atmosphere; More Personnel * CRD: Wes Bethel, Dani Ushizima, Gunther Weber (SciDAC-e award)

62

Query-Driven Network Flow Data Analysis and Visualization  

Science Conference Proceedings (OSTI)

This document is the final report for a WFO agreement between LBNL and the National Visualization and Analytics Center at PNNL. The document lists project milestones, their completion date, research results and findings. In brief, the project focuses on testing the hypothesis that the duty cycle in scientific discovery can be reduced by combining visual analytics interfaces, novel visualization techniques and scientific data management technology.

Bethel, E. Wes

2006-06-14T23:59:59.000Z

63

Power-Rate-Distortion Analysis Of Wireless Visual Sensor Network.  

E-Print Network (OSTI)

??The emergence of low-cost and mature technologies in wireless communication, visual sensor devices, and digtial signal processing, facilitates the potential of wirelss sensor networks (WSN). (more)

Shaw, William

2008-01-01T23:59:59.000Z

64

Climate, comfort, & natural ventilation: a new adaptive comfort standard for ASHRAE standard 55  

E-Print Network (OSTI)

ASHRAE began funding a series of field studies of thermal comfort in office buildings in four different climate zones.

Brager, G. S.; de Dear, R.

2001-01-01T23:59:59.000Z

65

Using sensitivity analysis and visualization techniques to open black box data mining models  

Science Conference Proceedings (OSTI)

In this paper, we propose a new visualization approach based on a Sensitivity Analysis (SA) to extract human understandable knowledge from supervised learning black box data mining models, such as Neural Networks (NNs), Support Vector Machines (SVMs) ... Keywords: Classification, Input importance, Regression, Sensitivity analysis, Supervised data mining, Visualization

Paulo Cortez; Mark J. Embrechts

2013-03-01T23:59:59.000Z

66

Visual analysis of I/O system behavior for high-end computing  

Science Conference Proceedings (OSTI)

As supercomputers grow ever larger, so too do application run times and data requirements. The operational patterns of modern parallel I/O systems are far too complex to allow for a direct analysis of their trace logs. Several visualization methods have ... Keywords: information visualization, parallel I/O, performance analysis tools

Christopher Muelder; Carmen Sigovan; Kwan-Liu Ma; Jason Cope; Sam Lang; Kamil Iskra; Pete Beckman; Robert Ross

2011-06-01T23:59:59.000Z

67

Pitfalls of information access with visualizations in remote collaborative analysis  

Science Conference Proceedings (OSTI)

In a world of widespread information access, information can overwhelm collaborators, even with visualizations to help. We extend prior work to study the effect of shared information on collaboration. We analyzed the success and discussion process of ... Keywords: computer-mediated communication, confirmation bias, empirical studies, experiment, information overload, information sharing, information visualization

Aruna D. Balakrishnan; Susan R. Fussell; Sara Kiesler; Aniket Kittur

2010-02-01T23:59:59.000Z

68

Using Dashboards to Improve Energy and Comfort in Federal Buildings  

SciTech Connect

Federal agencies are taking many steps to improve the sustainability of their operations, including improving the energy efficiency of their buildings, promoting recycling and reuse of materials, encouraging carpooling and alternative transit schemes, and installing low flow water fixture units are just a few of the common examples. However, an often overlooked means of energy savings is to provide feedback to building users about their energy use through information dashboards connected to a building?s energy information system. An Energy Information System (EIS), broadly defined, is a package of performance monitoring software, data acquisition hardware, and communication systems that is used to collect, store, analyze, and display energy information. At a minimum, the EIS provides the whole-building energy-use information (Granderson 2009a). We define a ?dashboard? as a display and visualization tool that utilizes the EIS data and technology to provide critical information to users. This information can lead to actions resulting in energy savings, comfort improvements, efficient operations, and more. The tools to report analyzed information have existed in the information technology as business intelligence (Few 2006). The dashboard is distinguished from the EIS as a whole, which includes additional hardware and software components to collect and storage data, and analysis for resources and energy management (Granderson 2009b). EIS can be used for a variety of uses, including benchmarking, base-lining, anomaly detection, off-hours energy use evaluation, load shape optimization, energy rate analysis, retrofit and retro-commissioning savings (Granderson 2009a). The use of these EIS features depends on the specific users. For example, federal and other building managers may use anomaly detection to identify energy waste in a specific building, or to benchmark energy use in similar buildings to identify energy saving potential and reduce operational cost. There are several vendors of EIS technology that provide information on energy and other environmental variables in buildings.

Lawrence Berkeley National Laboratory; Marini, Kyle; Ghatikar, Girish; Diamond, Richard

2011-02-01T23:59:59.000Z

69

Predicting the distribution of thermal comfort votes  

Science Conference Proceedings (OSTI)

Maximizing occupant comfort and minimizing energy costs are two challenging tasks in the efficient operation of any office building. Often these objectives cannot be achieved simultaneously which asks for methods that resolve this trade-off in the best ... Keywords: decision support systems, intelligent systems, thermal comfort

Anika Schumann; Nic Wilson

2011-06-01T23:59:59.000Z

70

Wireless sensor networks and human comfort index  

Science Conference Proceedings (OSTI)

Conventional wireless home automation networks (WHANs) incorporate embedded wireless sensors and actuators that monitors and control home living environment. WHAN's primary goal is to maintain user comfort and efficient home management. Conventional ... Keywords: Ambient intelligence, Fuzzy logic, Human comfort, Wireless sensor network

Mohd Izani Rawi, Adnan Al-Anbuky

2013-06-01T23:59:59.000Z

71

Adaptive Comfort Model: Simulations & Future Directions  

NLE Websites -- All DOE Office Websites (Extended Search)

Adaptive Comfort Model: Simulations & Future Directions Adaptive Comfort Model: Simulations & Future Directions Speaker(s): Richard de Dear Date: February 4, 2011 - 12:00pm Location: 90-4133 Seminar Host/Point of Contact: Philip Haves The last 20 years of thermal comfort have witnessed a shift away from the "static" approach (exemplified by the PMV/PPD model) towards the adaptive approach (exemplified by the adaptive models in ASHRAE's Standard 55 (2004, 2010) and the European Union's counterpart standard, EN15251 (2007). - the basis and derivation of the adaptive comfort model - adaptive comfort standards (ASHRAE 55 and EN15251) - new developments and directions (reporting back from the January 2011 ASHRAE Meeting of SSPC-55 in Las Vegas) - environmental variables other than dry bulb, in the adaptive model

72

Visual Analysis of Particle Behaviors to Understand Combustion Simulations  

Science Conference Proceedings (OSTI)

Simulations of turbulent flames have used particles to capture the dynamic behavior of combustion in next-generation engines. Each particle includes a history of its movement positions and changing thermochemical states. Analyzing such a set of many ... Keywords: visualization, simulation, modeling, machine learning, artificial intelligence, computer graphics, graphics and multimedia

Jishang Wei; Hongfeng Yu; Ray Grout; Jacqueline Chen; Kwan-Liu Ma

2012-01-01T23:59:59.000Z

73

Temporal analysis of sentiment events: a visual realization and tracking  

Science Conference Proceedings (OSTI)

In recent years, extraction of temporal relations for events that express sentiments has drawn great attention of the Natural Language Processing (NLP) research communities. In this work, we propose a method that involves the association and contribution ... Keywords: CRF, TempEval-2007, sentiment event, temporal relations, timeML, visual tracking

Dipankar Das; Anup Kumar Kolya; Asif Ekbal; Sivaji Bandyopadhyay

2011-02-01T23:59:59.000Z

74

Visualization and Numerical Analysis of Stress Waves in Blasting Process  

Science Conference Proceedings (OSTI)

Visualization studies were performed both experimentally and theoretically to observe stress wave propagation in a material and its interaction with the free surface of the material in a blasting process. PMMA (polymethyl-methacrylate) plates were used ... Keywords: Explosives, Shadowgraphy, Smoothed particle hydrodynamics, Stress waves

S. Matsumoto; Y. Nakamura; S. Itoh

2003-08-01T23:59:59.000Z

75

Parallel I/O, analysis, and visualization of a trillion particle simulation  

Science Conference Proceedings (OSTI)

Petascale plasma physics simulations have recently entered the regime of simulating trillions of particles. These unprecedented simulations generate massive amounts of data, posing significant challenges in storage, analysis, and visualization. In this ...

Surendra Byna; Jerry Chou; Oliver Rbel; Prabhat; Homa Karimabadi; William S. Daughton; Vadim Roytershteyn; E. Wes Bethel; Mark Howison; Ke-Jou Hsu; Kuan-Wu Lin; Arie Shoshani; Andrew Uselton; Kesheng Wu

2012-11-01T23:59:59.000Z

76

Visualizing Atmospheric Fields on a Personal Computer: Application to Potential Vorticity Analysis  

Science Conference Proceedings (OSTI)

A four-dimensional computer-analysis program for visualizing atmospheric fields on a personal computer is presented. The Program can display, on screen, a fast-time animation of meteorological fields on various surfaces or cross sections.

B. U. Neeman; P. Alpert

1990-02-01T23:59:59.000Z

77

In-situ sampling of a large-scale particle simulation for interactive visualization and analysis  

Science Conference Proceedings (OSTI)

We describe a simulation-time random sampling of a large-scale particle simulation, the RoadRunner Universe MC3 cosmological simulation, for interactive post-analysis and visualization. Simulation data generation rates will continue to be ...

J. Woodring; J. Ahrens; J. Figg; J. Wendelberger; S. Habib; K. Heitmann

2011-06-01T23:59:59.000Z

78

Parallel visualization and analysis with paraview on a Cray XT4  

SciTech Connect

Scientific data sets produced by modern supercomputers like ORNL's Cray XT 4, Jaguar, can be extremely large, making visualization and analysis more difficult as moving large resultant data to dedicated analysis systems can be prohibitively expensive. We share our continuing work of integrating a parallel visualization system, ParaView, on ORNL's Jaguar system and our efforts to enable extreme scale interactive data visualization and analysis. We will discuss porting challenges and present performance numbers. Jaguar is a Cray XT4 with 7,832 compute nodes each with 4 cores and 8GB of memory, located in Oak Ridge, Tennessee. Jaguar is currently ranked No.8 in the Top 500. Jaguar, and other machines like it, enable increasingly larger data sets. Whether scientists are producing extremely massive data or small data they still have a requirement for analysis. Analysis is often difficult for larger data and it is further complicated when the user is distant to the data. Data sets that are too large to ship and/or analyze on a single desktop require a parallel analysis tool and a high performance computer to run on. Running ParaView interactively on Jaguar is a positive improvement for both local and remote users. We have shown that it is feasible for our user at LANL to visualize his simulation data created on jaguar. Local users may face fewer obstacles and get improved performance, due to their higher bandwidth to Jaguar. For future work, we would like to see higher priority queues that enable interactive visualization. A more interactive user-friendly qsub that estimates time to allocation would be very useful. Hopefully, our work will lead to more users attempting interactive visualization on Jaguar, resulting in quicker turnaround times for visualization and analysis. As users migrate to using supercomputing platforms for visualization, we expect future research possibilities in this area.

Ahrens, James P [Los Alamos National Laboratory; Patchett, John M [Los Alamos National Laboratory; Pugmire, David L [ORNL; Ahern, Sean [ORNL

2010-01-01T23:59:59.000Z

79

Four-dimensional information visualization and analysis system  

SciTech Connect

4DIVAS was conceived for two purposes. The first purpose was to fill the void between the current generation of GIS and high-end, image-only visualization systems. The gap existing between these two systems can be summarized as the limitation of relational database oriented GIS to deal with time and the poor connection in visualization systems to databases of any kind. The second purpose was to permit spatio-temporal modeling and query, functionalities currently underdeveloped in the commercial arena. At the Hanford Site, there are many potential applications for such a system, especially in the monitoring and modeling of potential constituent plumes in the subsurface hydrology over time, among others. In its current form, 4DIVAS exists as a proof-of-concept functional prototype and is therefore more of a technology than a product at this time.

Rex, B.

1994-09-01T23:59:59.000Z

80

Nuclear Mass Visualization and Analysis at nuclearmasses.org  

Science Conference Proceedings (OSTI)

Nuclear masses play an important role in a wide variety of studies, motivating a tremendous surge in new precision mass measurements and global mass models. To handle this information, and to address inadequacies of existing text-based disseminations of nuclear masses, we have built a suite of codes--online at nuclearmasses.org--to manage, visualize, access, manipulate, share, compare, and analyze nuclear mass datasets. The services at this site are described, along with plans for future development.

Smith, Michael S.; Nesaraja, Caroline D. [Physics Division, Oak Ridge National Lab, Oak Ridge, Tennessee, 37831-6354 (United States); Lingerfelt, Eric J. [Computational Science and Mathematics Division, Oak Ridge National Lab, Oak Ridge, Tennessee, 37831-6354 (United States); Physics Division, Oak Ridge National Lab, Oak Ridge, Tennessee, 37831-6354 (United States); Koura, Hiroyuki [Japan Atomic Energy Agency, Tokai, Naka-gun, Ibaraki, 319-1195 (Japan); Kondev, Filip G. [Nuclear Engineering Division, Argonne National Laboratory, Argonne, Illinois, 60439 (United States)

2010-08-12T23:59:59.000Z

Note: This page contains sample records for the topic "visual comfort analysis" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


81

DRAFT October 4, 2007 Residential Thermostats: Comfort Controls in California  

E-Print Network (OSTI)

cellphones). This considerably complicates the economic decisions on the cost of thermal comfort controls

82

Residential Thermostats: Comfort Controls in California Homes  

NLE Websites -- All DOE Office Websites (Extended Search)

Residential Thermostats: Comfort Controls in California Homes Residential Thermostats: Comfort Controls in California Homes Title Residential Thermostats: Comfort Controls in California Homes Publication Type Report LBNL Report Number LBNL-938e Year of Publication 2008 Authors Walker, Iain S., and Alan K. Meier Keywords demand response and distributed energy resources center, demand response research center, home networks & controls Abstract This report summarizes results of a literature review, a workshop, and many meetings with demand response and thermostat researchers and implementers. The information obtained from these resources was used to identify key issues of thermostat performance from both energy savings and peak demand perspectives. A research plan was developed to address these issues and activities have already begun to pursue the research agenda.

83

Achieving Sustainability, Energy Savings, and Occupant Comfort  

E-Print Network (OSTI)

Sustainability, energy savings, and occupant comfort are not mutually exclusive objectives, as buildings can be designed that incorporate all of these features. Sustainability is often defined as meeting the needs of the present without compromising the ability of future generations to do the same. Reducing the demand for energy produced from depletable resources and generating energy from renewable sources leaves more resources available for future use. Therefore, energy savings and sustainability go hand in hand. Occupant comfort can be maintained in conjunction with energy savings, and some sustainable practices enhance comfort. Properly planned and implemented construction programs can help ensure efficiently operating systems, reducing the consumption of valuable resources, while providing an acceptable indoor environment. The authors have more than 30 years combined experience working with Texas schools in mechanical, electrical, and plumbing engineering and design as well as energy management.

Fisher, D.; Bristow, G.

2009-11-01T23:59:59.000Z

84

A user term visualization analysis based on a social question and answer log  

Science Conference Proceedings (OSTI)

The authors of this paper investigate terms of consumers' diabetes based on a log from the Yahoo!Answers social question and answers (Q&A) forum, ascertain characteristics and relationships among terms related to diabetes from the consumers' perspective, ... Keywords: Diabetes, Information seeking pattern, Q&A, Social question and answers, Term analysis, Visualization analysis

Jin Zhang, Yiming Zhao

2013-09-01T23:59:59.000Z

85

Event-based approach to money laundering data analysis and visualization  

Science Conference Proceedings (OSTI)

Crime specific event patterns are crucial in detecting potential relationships among suspects in criminal networks. However, current link analysis tools commonly used in detection do not utilize such patterns for detecting various types of crimes. These ... Keywords: crime detection, event-based data analysis, money laundering, visualization

Tat-Man Cheong; Yain-Whar Si

2010-09-01T23:59:59.000Z

86

Air humidity requirements for human comfort  

SciTech Connect

Upper humidity limits for the comfort zone determined from two recently presented models for predicting discomfort due to skin humidity and insufficient respiratory cooling are proposed. The proposed limits are compared with the maximum permissible humidity level prescribed in existing standards for the thermal indoor environment. The skin humidity model predicts discomfort as a function of the relative humidity of the skin, which is determined by existing models for human heat and moisture transfer based on environmental parameters, clothing characteristics, and activity level. The respiratory model predicts discomfort as a function of the driving forces for heat loss from the respiratory tract, namely, the temperature and humidity of the surrounding air. An upper humidity limit based on a relative skin humidity of 0.54, corresponding to 20% dissatisfied, results in a maximum permissible humidity level near 100% RH. The requirements for respiratory comfort are much more stringent and result in lower permissible indoor air humidities. Compared with the upper humidity limit specified in existing thermal comfort standards, e.g., ASHRAE Addendum 55a, the humidity limit based on skin humidity was less restrictive and the humidity limit based on respiratory comfort was far more restrictive.

Toftum, J.; Fanger, P.O.

1999-07-01T23:59:59.000Z

87

Optimal Personal Comfort Management Using SPOT+  

Science Conference Proceedings (OSTI)

We present SPOT+, a system that allows office workers to optimally balance between heating energy consumption and personal thermal comfort. In prior work, we described SPOT: a smart personal thermal control system based on reactive control [8]. In contrast, ... Keywords: Energy management

Peter Xiang Gao, S. Keshav

2013-11-01T23:59:59.000Z

88

Neutron Data Analysis and Visualization Division - ORNL Neutron...  

NLE Websites -- All DOE Office Websites (Extended Search)

develops software and hardware for the reduction and analysis of data taken on SNS and HFIR neutron scattering instruments. We work closely with the SNS and HFIR Data Acquisition...

89

Dynamic visual data mining: biological sequence analysis and annotation using SeqVISTA  

Science Conference Proceedings (OSTI)

In the post-genomic era, the volume of public sequence databases is increasing exponentially and visualisation-centric techniques have become more and more important in biological sequence analysis and annotation. In this paper, we present a ... Keywords: DNA sequence, GenBank, SWISS-PROT, annotation, bioinformatics, biological object modelling, biological sequence analysis, computational biology, data analysis, dynamic visual data mining, interactive display, object-oriented software, protein sequence, visualisation

Tianhua Niu; Zhenjun Hu

2005-04-01T23:59:59.000Z

90

Effect of a heated and cooled office chair on thermal comfort  

E-Print Network (OSTI)

Cooled Office Chair on Thermal Comfort References Akimoto,task conditioning system on thermal comfort. Proceedings ofand H. Higuchi. 2011. Thermal comfort and perceived air

Pasut, Wilmer; Zhang, Hui; Kaam, Soazig; Arens, Edward; Zhai, Yongchao

2013-01-01T23:59:59.000Z

91

Enabling Energy-Efficient Approaches to Thermal Comfort Using Room Air Motion  

E-Print Network (OSTI)

Energy Efficiency, Thermal Comfort with Air MotionEnergy Efficiency, Thermal Comfort with Air Motion No-fan 2Energy Efficiency, Thermal Comfort with Air Motion

Pasut, Wilmer; Arens, Edward; Zhang, Hui; Kaam, Soazig; Zhai, Yongchao

2013-01-01T23:59:59.000Z

92

Thermal comfort and perceived air quality of a PEC system.  

E-Print Network (OSTI)

W. , Gong, N. 2007. Thermal performance of a personalizedRESULTS 1. Whole-body thermal sensation and comfort withthe PEC system Whole-body thermal sensation and comfort are

Arens, Edward; Zhang, Hui; Pasut, Wilmer

2011-01-01T23:59:59.000Z

93

Thermal comfort and perceived air quality of a PEC system  

E-Print Network (OSTI)

Akimoto, T. , Genma T. 2007. Thermal sensation and comfortW. , Gong, N. 2007. Thermal performance of a personalizedRESULTS 1. Whole-body thermal sensation and comfort with the

Arens, Edward; Zhang, Hui; Pasut, Wilmer; Warneke, Ashley; Bauman, Fred; Higuchi, Hiroshi

2011-01-01T23:59:59.000Z

94

Atmospheric Apparatus : the production of another comfort paradigm  

E-Print Network (OSTI)

Nowadays, being thermal comfort is no longer a challenging problem for modern living. With the aids of the modern environmental control technologies, a fast, convenient and effective thermal comfort experience can be easily ...

Tang, Hung Fai

2013-01-01T23:59:59.000Z

95

Comparative Visual Analysis of 2D Function Ensembles  

Science Conference Proceedings (OSTI)

In the development process of powertrain systems, 2D function ensembles frequently occur in the context of multi-run simulations. An analysis has many facets, including distributions of extracted features, comparisons between ensemble members and target ... Keywords: I.3.3 [Computer Graphics]: Picture/Image GenerationLine and curve generation

H. Piringer; S. Pajer; W. Berger; H. Teichmann

2012-06-01T23:59:59.000Z

96

Computer-aided visualization and analysis system for sequence evaluation  

DOE Patents (OSTI)

A computer system for analyzing nucleic acid sequences is provided. The computer system is used to perform multiple methods for determining unknown bases by analyzing the fluorescence intensities of hybridized nucleic acid probes. The results of individual experiments are improved by processing nucleic acid sequences together. Comparative analysis of multiple experiments is also provided by displaying reference sequences in one area and sample sequences in another area on a display device.

Chee, Mark S. (3199 Waverly St., Palo Alto, CA 94306)

1998-08-18T23:59:59.000Z

97

Computer-aided visualization and analysis system for sequence evaluation  

DOE Patents (OSTI)

A computer system (1) for analyzing nucleic acid sequences is provided. The computer system is used to perform multiple methods for determining unknown bases by analyzing the fluorescence intensities of hybridized nucleic acid probes. The results of individual experiments may be improved by processing nucleic acid sequences together. Comparative analysis of multiple experiments is also provided by displaying reference sequences in one area (814) and sample sequences in another area (816) on a display device (3).

Chee, Mark S. (Palo Alto, CA)

2001-06-05T23:59:59.000Z

98

Computer-aided visualization and analysis system for sequence evaluation  

DOE Patents (OSTI)

A computer system (1) for analyzing nucleic acid sequences is provided. The computer system is used to perform multiple methods for determining unknown bases by analyzing the fluorescence intensities of hybridized nucleic acid probes. The results of individual experiments may be improved by processing nucleic acid sequences together. Comparative analysis of multiple experiments is also provided by displaying reference sequences in one area (814) and sample sequences in another area (816) on a display device (3).

Chee, Mark S. (Palo Alto, CA)

1999-10-26T23:59:59.000Z

99

A distributed data-parallel framework for analysis and visualization algorithm development  

Science Conference Proceedings (OSTI)

The coming generation of supercomputing architectures will require fundamental changes in programming models to effectively make use of the expected million to billion way concurrency and thousand-fold reduction in per-core memory. Most current parallel ... Keywords: GPGPU, analysis, visualization

Jeremy S. Meredith; Robert Sisneros; David Pugmire; Sean Ahern

2012-03-01T23:59:59.000Z

100

Geographic analysis & visualization of climate extremes for the Quadrennial Defense Review  

Science Conference Proceedings (OSTI)

We have developed demonstrable capabilities in the area of geographic analysis and visualization for climate extremes, uncertainty and impacts. The capabilities were used for to provide climate science support to an international climate change war game, ... Keywords: GIS science, climate change

Auroop R. Ganguly; Karsten Steinhaeuser; Alexander Sorokine; Esther S. Parish; Shih-Chieh Kao; Marcia Branstetter

2009-11-01T23:59:59.000Z

Note: This page contains sample records for the topic "visual comfort analysis" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


101

Thermal sensation and comfort models for non-uniform and transient environments: Part III: whole-body sensation and comfort  

E-Print Network (OSTI)

Magnitude estimates of thermal discomfort during transientsJ, Rohles FH, Nevins RG. Thermal comfort (thermally neutral)1.3.1 - [10] Fanger PO. Thermal comfort. NY: McGraw-Hill;

Zhang, Hui; Arens, Edward; Huizenga, Charlie; Han, Taeyoung

2009-01-01T23:59:59.000Z

102

iGlobe: an interactive visualization and analysis framework for geospatial data  

Science Conference Proceedings (OSTI)

We demonstrate an interactive visualization and analysis system for integrating climate data with other geospatial data sets, such as environmental and demographic data. The \\eviz system is a desktop-based visualization and analysis environment which allows seamless integration of multiple geospatial data sets from varied sources and provides an interface to interactively analyze the different data sets and apply sophisticated data analysis and mining algorithms in a near real time fashion. The framework is highly desirable in domains such as earth and climate sciences where great emphasis is placed on simultaneous analysis of different data sets such as remote sensing images, climate model simulation outputs, and other environmental and demographic databases, to understand weather and climate systems and the impact of climate change on nature and people.

Chandola, Varun [ORNL; Vatsavai, Raju [ORNL; Bhaduri, Budhendra L [ORNL

2011-01-01T23:59:59.000Z

103

Visual Scanning Hartmann Optical Tester (VSHOT) Uncertainty Analysis (Milestone Report)  

DOE Green Energy (OSTI)

In 1997, an uncertainty analysis was conducted of the Video Scanning Hartmann Optical Tester (VSHOT). In 2010, we have completed a new analysis, based primarily on the geometric optics of the system, and it shows sensitivities to various design and operational parameters. We discuss sources of error with measuring devices, instrument calibrations, and operator measurements for a parabolic trough mirror panel test. These help to guide the operator in proper setup, and help end-users to understand the data they are provided. We include both the systematic (bias) and random (precision) errors for VSHOT testing and their contributions to the uncertainty. The contributing factors we considered in this study are: target tilt; target face to laser output distance; instrument vertical offset; laser output angle; distance between the tool and the test piece; camera calibration; and laser scanner. These contributing factors were applied to the calculated slope error, focal length, and test article tilt that are generated by the VSHOT data processing. Results show the estimated 2-sigma uncertainty in slope error for a parabolic trough line scan test to be +/-0.2 milliradians; uncertainty in the focal length is +/- 0.1 mm, and the uncertainty in test article tilt is +/- 0.04 milliradians.

Gray, A.; Lewandowski, A.; Wendelin, T.

2010-10-01T23:59:59.000Z

104

In-situ sampling of a large-scale particle simulation for interactive visualization and analysis  

SciTech Connect

We propose storing a random sampling of data from large scale particle simulations, such as the Roadrunner Universe MC{sup 3} cosmological simulation, to be used for interactive post-analysis and visualization. Simulation data generation rates will continue to be far greater than storage bandwidth rates and other limiting technologies by many orders of magnitude. This implies that only a very small fraction of data generated by the simulation can ever be stored and subsequently post-analyzed. The limiting technology in this situation is analogous to the problem in many population surveys: there aren't enough human resources to query a large population. To cope with the lack of resources, statistical sampling techniques are used to create a representative data set of a large population. Mirroring that situation, we propose to store a simulation-time random sampling of the particle data to cope with the bOlllenecks and support interactive, exploratory post-analysis. The particle samples are immediately stored in a level-ol-detail format for post-visualization and analysis, which amortizes the cost of post-processing for interactive visualization. Additionally, we incorporate a system for recording and visualizing sample approximation error information for confidence and importance highlighting.

Woodring, Jonathan L [Los Alamos National Laboratory; Ahrens, James P [Los Alamos National Laboratory; Heitmann, Katrin [Los Alamos National Laboratory

2010-12-09T23:59:59.000Z

105

An Application of Multivariate Statistical Analysis for Query-Driven Visualization  

Science Conference Proceedings (OSTI)

Abstract?Driven by the ability to generate ever-larger, increasingly complex data, there is an urgent need in the scientific community for scalable analysis methods that can rapidly identify salient trends in scientific data. Query-Driven Visualization (QDV) strategies are among the small subset of techniques that can address both large and highly complex datasets. This paper extends the utility of QDV strategies with a statistics-based framework that integrates non-parametric distribution estimation techniques with a new segmentation strategy to visually identify statistically significant trends and features within the solution space of a query. In this framework, query distribution estimates help users to interactively explore their query's solution and visually identify the regions where the combined behavior of constrained variables is most important, statistically, to their inquiry. Our new segmentation strategy extends the distribution estimation analysis by visually conveying the individual importance of each variable to these regions of high statistical significance. We demonstrate the analysis benefits these two strategies provide and show how they may be used to facilitate the refinement of constraints over variables expressed in a user's query. We apply our method to datasets from two different scientific domains to demonstrate its broad applicability.

Gosink, Luke J.; Garth, Christoph; Anderson, John C.; Bethel, E. Wes; Joy, Kenneth I.

2010-03-01T23:59:59.000Z

106

Ultra-scale Visualization Climate Data Analysis Tools (UV-CDAT)  

Science Conference Proceedings (OSTI)

This report summarizes work carried out by the Ultra-scale Visualization Climate Data Analysis Tools (UV-CDAT) Team for the period of January 1, 2011 through June 30, 2011. It discusses highlights, overall progress, period goals, and collaborations and lists papers and presentations. To learn more about our project, please visit our UV-CDAT website (URL: http://uv-cdat.org). This report will be forwarded to the program manager for the Department of Energy (DOE) Office of Biological and Environmental Research (BER), national and international collaborators and stakeholders, and to researchers working on a wide range of other climate model, reanalysis, and observation evaluation activities. The UV-CDAT executive committee consists of Dean N. Williams of Lawrence Livermore National Laboratory (LLNL); Dave Bader and Galen Shipman of Oak Ridge National Laboratory (ORNL); Phil Jones and James Ahrens of Los Alamos National Laboratory (LANL), Claudio Silva of Polytechnic Institute of New York University (NYU-Poly); and Berk Geveci of Kitware, Inc. The UV-CDAT team consists of researchers and scientists with diverse domain knowledge whose home institutions also include the National Aeronautics and Space Administration (NASA) and the University of Utah. All work is accomplished under DOE open-source guidelines and in close collaboration with the project's stakeholders, domain researchers, and scientists. Working directly with BER climate science analysis projects, this consortium will develop and deploy data and computational resources useful to a wide variety of stakeholders, including scientists, policymakers, and the general public. Members of this consortium already collaborate with other institutions and universities in researching data discovery, management, visualization, workflow analysis, and provenance. The UV-CDAT team will address the following high-level visualization requirements: (1) Alternative parallel streaming statistics and analysis pipelines - Data parallelism, Task parallelism, Visualization parallelism; (2) Optimized parallel input/output (I/O); (3) Remote interactive execution; (4) Advanced intercomparison visualization; (5) Data provenance processing and capture; and (6) Interfaces for scientists - Workflow data analysis and visualization construction tools, and Visualization interfaces.

Williams, D N

2011-07-20T23:59:59.000Z

107

Singing River Electric Power Association - Comfort Advantage Home Program |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Singing River Electric Power Association - Comfort Advantage Home Singing River Electric Power Association - Comfort Advantage Home Program Singing River Electric Power Association - Comfort Advantage Home Program < Back Eligibility Residential Savings Category Heating & Cooling Home Weatherization Construction Commercial Weatherization Commercial Heating & Cooling Design & Remodeling Heat Pumps Program Info State Mississippi Program Type Utility Rebate Program Rebate Amount Contact Singing River Electric Power Association Provider Singing River Electric Power Association Singing River Electric Power Association provides rebates on energy efficiency measures in new homes and heat pumps that meet [http://www.comfortadvantage.com/Comfort%20Advantage%20brochure.pdf Comfort Advantage] weatherization standards. To qualify for this rebate the home

108

Linking Advanced Visualization and MATLAB for the Analysis of 3D Gene Expression Data  

SciTech Connect

Three-dimensional gene expression PointCloud data generated by the Berkeley Drosophila Transcription Network Project (BDTNP) provides quantitative information about the spatial and temporal expression of genes in early Drosophila embryos at cellular resolution. The BDTNP team visualizes and analyzes Point-Cloud data using the software application PointCloudXplore (PCX). To maximize the impact of novel, complex data sets, such as PointClouds, the data needs to be accessible to biologists and comprehensible to developers of analysis functions. We address this challenge by linking PCX and Matlab via a dedicated interface, thereby providing biologists seamless access to advanced data analysis functions and giving bioinformatics researchers the opportunity to integrate their analysis directly into the visualization application. To demonstrate the usefulness of this approach, we computationally model parts of the expression pattern of the gene even skipped using a genetic algorithm implemented in Matlab and integrated into PCX via our Matlab interface.

Ruebel, Oliver; Keranen, Soile V.E.; Biggin, Mark; Knowles, David W.; Weber, Gunther H.; Hagen, Hans; Hamann, Bernd; Bethel, E. Wes

2011-03-30T23:59:59.000Z

109

Exploration of High-Dimensional Scalar Function for Nuclear Reactor Safety Analysis and Visualization  

SciTech Connect

The next generation of methodologies for nuclear reactor Probabilistic Risk Assessment (PRA) explicitly accounts for the time element in modeling the probabilistic system evolution and uses numerical simulation tools to account for possible dependencies between failure events. The Monte-Carlo (MC) and the Dynamic Event Tree (DET) approaches belong to this new class of dynamic PRA methodologies. A challenge of dynamic PRA algorithms is the large amount of data they produce which may be difficult to visualize and analyze in order to extract useful information. We present a software tool that is designed to address these goals. We model a large-scale nuclear simulation dataset as a high-dimensional scalar function defined over a discrete sample of the domain. First, we provide structural analysis of such a function at multiple scales and provide insight into the relationship between the input parameters and the output. Second, we enable exploratory analysis for users, where we help the users to differentiate features from noise through multi-scale analysis on an interactive platform, based on domain knowledge and data characterization. Our analysis is performed by exploiting the topological and geometric properties of the domain, building statistical models based on its topological segmentations and providing interactive visual interfaces to facilitate such explorations. We provide a users guide to our software tool by highlighting its analysis and visualization capabilities, along with a use case involving dataset from a nuclear reactor safety simulation.

Dan Maljovec; Bei Wang; Valerio Pascucci; Peer-Timo Bremer; Michael Pernice; Robert Nourgaliev

2013-05-01T23:59:59.000Z

110

NREL: Vehicle Ancillary Loads Reduction - Thermal Comfort Model  

NLE Websites -- All DOE Office Websites (Extended Search)

Comfort Model Comfort Model Photo of human testing to determine thermal comfort perception data. Photo of human testing to determine thermal comfort perception data. Working with researchers at the University of California, Berkeley, our team at NREL developed an empirical model of people's temperature sensation (hot/cold) as well as perceptions (comfortable/uncomfortable) in a transient non-homogeneous environment. The model predicts sensation and comfort locally (at specific points on the body) as well as globally (overall). The university performed more than 100 tests on human test subjects in a controlled environmental chamber under a range of steady state and transient thermal conditions. Participants subjectively recorded their thermal comfort on a simple form. Core and local skin temperature data was

111

Achieving Comfort and Saving Energy with Sensor Networks in Buildings  

NLE Websites -- All DOE Office Websites (Extended Search)

Achieving Comfort and Saving Energy with Sensor Networks in Buildings Achieving Comfort and Saving Energy with Sensor Networks in Buildings Speaker(s): Danni Wang Date: July 7, 2005 - 12:00pm Location: Bldg. 90 One of the fundamental objectives of an HVAC (heating, ventilation, air-conditioning) system is to create comfortable environments for occupants. The rule of thumb in building operation is the more energy a building consumes, the more comfortable it becomes. Saving energy and achieving comfort seem to conflict with each other. This might be true. However, are there opportunities to achieve both desires? In this talk, I will present a few case studies which demonstrate how we might both achieve comfort and save energy by using sensor networks in buildings. I will first report the latest thermal comfort survey results from around 150 commercial

112

Energy Performance and Comfort Level in High Rise and Highly Glazed Office Buildings  

E-Print Network (OSTI)

Thermal and visual comfort in buildings play a significant role on occupants' performance but on the other hand achieving energy savings and high comfort levels can be a quite difficult task especially in high rise buildings with highly glazed facades. Many studies suggest that the energy needed to keep the interior conditions at required comfort levels in buildings depends on several factors such as physical and optical properties of building elements, indoor and outdoor climate and behaviour of the occupants, etc. Moreover depending on the different orientation of building facade, the impact of these parameters might vary. The buildings are usually designed without paying much attention to this fact. The needs of each building zone might differ greatly and in order to achieve better indoor environment, different actions might be needed to taken considering the individual characteristics of each zone. In the proposed research the possibilities of evaluating building energy and comfort performance simultaneously taking into account the impact of facade orientation with use of whole building energy simulation tools are investigated through a case study.

Bayraktar, M.; Perino, M.; Yilmaz, A. Z.

2010-01-01T23:59:59.000Z

113

Graph visualization for the analysis of the structure and dynamics of extreme-scale supercomputers  

Science Conference Proceedings (OSTI)

We are exploring the development and application of information visualization techniques for the analysis of new extreme-scale supercomputer architectures. Modern supercomputers typically comprise very large clusters of commodity SMPs interconnected by possibly dense and often nonstandard networks. The scale, complexity, and inherent nonlocality of the structure and dynamics of this hardware, and the systems and applications distributed over it, challenge traditional analysis methods. As part of the a la carte team at Los Alamos National Laboratory, who are simulating these advanced architectures, we are exploring advanced visualization techniques and creating tools to provide intuitive exploration, discovery, and analysis of these simulations. This work complements existing and emerging algorithmic analysis tools. Here we gives background on the problem domain, a description of a prototypical computer architecture of interest (on the order of 10,000 processors connected by a quaternary fat-tree network), and presentations of several visualizations of the simulation data that make clear the flow of data in the interconnection network.

Berkbigler, K. P. (Kathryn P.); Bush, B. W. (Brian W.); Davis, Kei,; Hoisie, A. (Adolfy); Smith, S. A. (Steve A.)

2002-01-01T23:59:59.000Z

114

Human comfort and auxiliary control considerations in passive solar structures  

DOE Green Energy (OSTI)

Energy consumption and human comfort implications of various passive solar and energy conservation strategies are investigated for single-family, one-story, slab-on-grade residences in Albuquerque, NM and Washington, DC. The building energy analysis computer program BLAST is used to perform annual dynamic heating and cooling load calculations for a building in which the glazing area, glazing location, and thermal mass are varied systematically. The impacts on building performance of forced-flow ventilative cooling and nighttime and weekday thermostat setpoint adjustments are investigated. The results indicate that the annual heating and cooling loads are highly sensitive to glazing area, glazing location, and thermostatic controls. Annual cooling loads are substantially reduced by increased thermal mass in the walls. In contrast, annual heating loads are fairly insensitive to increased thermal mass in the walls, unless very large areas of south glazing are involved. BLAST calculates the air temperatures (T/sub a/) and mean radiant temperatures (T/sub mr/) in each zone for every hour of the year; a weighted average of T/sub a/ and T/sub mr/ is used to evaluate comfort conditions under various circumstances.

Place, W.; Kammerud, R.; Andersson, B.; Curtis, B.; Carroll, W.; Christensen, C.; Hannifan, M.

1980-10-01T23:59:59.000Z

115

How to Get Comfortable with Dehumidification  

E-Print Network (OSTI)

Residential consumers are educated to think about their comfort conditioning system as air conditioners and furnaces. Over the past several years the technology of products and controls has been changing. Homes have progressively gotten tighter, new construction and up grading. Equipment capabilities and performance have changed. The ability to control to more precise conditions and for more components of air treatment highlights the need to educate the consumer on the potential available today with adjunct components of the comfort conditioning system. Air conditioners are typically selected for one set of design conditions. In many situations the latent and sensible loads are not the consideration. only total load and first cost. The design conditions are exceeded only 2 1/2% of the time. Therefore, the equipment is typically oversized a majority of the time and not matched properly to the latent load. Air conditioners are, constrained by their physical performance of the components, such as the coils and compressor. As a result. the equipment can not track the wide variety of sensible and latent conditions. The increased use of "set-up" thermostat controls diminish the control of humidity. Air conditioner thermostats sense and respond only to the temperature condition, not to the humidity level. The use of a separate whole house dehumidification system can allow for separate control of the humidity and temperature. The humidity control level is independent of the cooling set point. As a result, the cooling set point can be raised (less air conditioner run time) and comfort enhanced or improved. Moisture removed is automatically expelled to the outdoors with a desiccant based system. The whole house can be treated rather than a spot area. Indoor air quality concerns. such as odors, mold and mildew, can be improved by the use of a desiccant based dehumidification unit.

Beever, R.

1996-01-01T23:59:59.000Z

116

Ray tracing visualization toolkit  

Science Conference Proceedings (OSTI)

The Ray Tracing Visualization Toolkit (rtVTK) is a collection of programming and visualization tools supporting visual analysis of ray-based rendering algorithms. rtVTK leverages layered visualization within the spatial domain of computation, enabling ... Keywords: ray tracing, ray-based rendering, visualization

Christiaan Gribble; Jeremy Fisher; Daniel Eby; Ed Quigley; Gideon Ludwig

2012-03-01T23:59:59.000Z

117

Data Analysis and Visualization for Electric Microgrids: A Case Study on the FortZED RDSI Microgrid  

Science Conference Proceedings (OSTI)

Electric micro grids generate a significant amount of measurement data by virtue of the constituent distributed smaller capacity assets. Data reduction for performance quantification and visualization techniques for micro grids is presented here. The ... Keywords: Data analysis, data reduction, enhanced situational awareness, GUI, microgrids, peak load reduction, reliability, visualization

Mayank Panwar, Daniel Zimmerle, Siddharth Suryanarayanan

2013-04-01T23:59:59.000Z

118

Building Energy Software Tools Directory: LESO-COMFORT  

NLE Websites -- All DOE Office Websites (Extended Search)

LESO-COMFORT LESO-COMFORT Evaluation of thermal comfort during a selected period (e.g. during the hottest part of summer), using a classical dynamic simulation computer code connected to the LESO-COMFORT code itself. The program uses the data already defined for LESOSAI, and only a very few additional data have to be introduced by the user. Keywords thermal comfort, load calculation, energy Validation/Testing N/A Expertise Required Average level of PC computer practice; understanding of basic solar radiation concepts. Users Introduced in September 1999. Audience Architects, engineers, researchers. Input The LESO-COMFORT software is basically an intelligent and user-friendly interface to a conventional dynamic building simulation program. The user does not have to describe the building to be studied from scratch. Instead,

119

Data Analysis and Visualization Environments for Large Scale Simulation as presented by  

E-Print Network (OSTI)

Sandia National Laboratories has been researching data analysis and visualization through several approaches. They have been research partners on several large open source projects as well as commercial and classified projects. Current research is centered around cluster solutions based largely on consumer hardware. Constantine Pavlakos outlined the historical research and the motivating problems behind the modern visualization efforts underway at SNL. The basic problem is that the data produced by large scale simulations is far too large to be handled sloppily. The data sets Mr. Pavlakos presented as examples were often on the order of half a petabyte in size. To address many of the issues associated with data sets of this scale Sandia has pursued cluster based solutions. I have a personal interest in this solution, and have experimented with the power wall that the UNM CS department

Constantine Pavlakos; Christopher E. Davis

2004-01-01T23:59:59.000Z

120

New Jersey Comfort Partners Program | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

New Jersey Comfort Partners Program New Jersey Comfort Partners Program New Jersey Comfort Partners Program < Back Eligibility Low-Income Residential Multi-Family Residential Savings Category Heating & Cooling Commercial Heating & Cooling Heating Home Weatherization Commercial Weatherization Cooling Other Sealing Your Home Ventilation Manufacturing Appliances & Electronics Commercial Lighting Lighting Water Heating Program Info Funding Source New Jersey Societal Benefits Charge (public benefits fund) State New Jersey Program Type State Rebate Program Rebate Amount Direct installation, no cost to recipient The New Jersey Comfort Partners program is a free of charge, direct installation energy efficiency assistance program available to most New Jersey households with significant energy usage and an income at or below

Note: This page contains sample records for the topic "visual comfort analysis" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


121

PureComfort 240 Combined Cooling, Heating, and Power Unit  

Science Conference Proceedings (OSTI)

This report is an interim case study of a PureComfort 240 combined cooling, heating and power project at the University of Toronto, Mississauga.

2006-03-28T23:59:59.000Z

122

Air temperature thresholds for indoor comfort and perceived air quality  

E-Print Network (OSTI)

Moving air for comfort. ASHRAE Journal, May, Arens, E. ,17-22, Copenhagen. . ASHRAE Standard 55- 2010. ThermalSensations of Sedentary Man, ASHRAE Transactions, Vol. 80 (

Zhang, Hui; Edward, Arens; Pasut, Wilmer

2012-01-01T23:59:59.000Z

123

DOE Solar Decathlon: 2005 Contests and Scoring - Comfort Zone  

NLE Websites -- All DOE Office Websites (Extended Search)

open. Tuskegee University incorporated a time-proven cooling strategy - a southern "dog trot" - to maximize natural ventilation. Solar Decathlon 2005 Comfort Zone (100 Points)...

124

Interactive Analysis of Large Network Data Collections UsingQuery-Driven Visualization  

Science Conference Proceedings (OSTI)

Realizing operational analytics solutions where large and complex data must be analyzed in a time-critical fashion entails integrating many different types of technology. Considering the extreme scale of contemporary datasets, one significant challenge is to reduce the duty cycle in the analytics discourse process. This paper focuses on an interdisciplinary combination of scientific data management and visualization/analysis technologies targeted at reducing the duty cyclein hypothesis testing and knowledge discovery. We present an application of such a combination in the problem domain of network traffic data analysis. Our performance experiment results, including both serial and parallel scalability tests, show that the combination can dramatically decrease the analytics duty cycle for this particular application. The combination is effectively applied to the analysis of network traffic data to detect slow and distributed scans, which is a difficult-to-detect form of cyber attack. Our approach is sufficiently general to be applied to a diverse set of data understanding problems as well as used in conjunction with a diverse set of analysis and visualization tools.

Bethel, E. Wes; Campbell, Scott; Dart, Eli; Lee, Jason; Smith,Steven A.; Stockinger, Kurt; Tierney, Brian; Wu, Kesheng

2005-12-01T23:59:59.000Z

125

Thermal sensation and comfort models for non-uniform and transient environments: Part II: local comfort of individual body parts  

E-Print Network (OSTI)

3943. [20] Hensel H, Thermal sensation and thermoreceptors1982. [21] Attia M. Thermal pleasantness and temperatureCabanac M. The perception of thermal comfort. International

Zhang, Hui; Arens, Edward; Huizenga, Charlie; Han, Taeyoung

2009-01-01T23:59:59.000Z

126

Integrating multi-modal content analysis and hyperbolic visualization for large-scale news video retrieval and exploration  

Science Conference Proceedings (OSTI)

In this paper, we have developed a novel scheme to achieve more effective analysis, retrieval and exploration of large-scale news video collections by performing multi-modal video content analysis and synchronization. First, automatic keyword extraction ... Keywords: Association determination, Hyperbolic visualization, Interestingness assignment, Multi-modal content analysis

H. Luo; J. Fan; S. Satoh; J. Yang; W. Ribarsky

2008-08-01T23:59:59.000Z

127

Analysis and Visualization of Multi-Scale Astrophysical Simulations using Python and NumPy  

SciTech Connect

The study the origins of cosmic structure requires large-scale computer simulations beginning with well-constrained, observationally-determined, initial conditions. We use Adaptive Mesh Refinement to conduct multi-resolution simulations spanning twelve orders of magnitude in spatial dimensions and over twenty orders of magnitude in density. These simulations must be analyzed and visualized in a manner that is fast, accurate, and reproducible. I present 'yt,' a cross-platform analysis toolkit written in Python. 'yt' consists of a data-management layer for transporting and tracking simulation outputs, a plotting layer, a parallel analysis layer for handling mesh-based and particle-based data, as well as several interfaces. I demonstrate how the origins of cosmic structure--from the scale of clusters of galaxies down to the formation of individual stars--can be analyzed and visualized using a NumPy-based toolkit. Additionally, I discuss efforts to port this analysis code to other adaptive mesh refinement data formats, enabling direct comparison of data between research groups using different methods to simulate the same objects.

Turk, M.; /KIPAC, Menlo Park

2008-09-30T23:59:59.000Z

128

Development of a PMV-based thermal comfort modelling  

Science Conference Proceedings (OSTI)

This paper concentrates on the modelling development for a PMV-based thermal comfort system. Operators can define their own expression towards the surroundings by inserting the respective value of PMV and the system will generate the compressor and fan ... Keywords: climatic modelling, predicted mean vote (PMV), thermal comfort

Shazmin Aniza Abdul Shukor; Karl Kohlhof; Zul Azhar Zahid Jamal

2007-05-01T23:59:59.000Z

129

Learning user preferences to maximise occupant comfort in office buildings  

Science Conference Proceedings (OSTI)

It is desirable to ensure that the thermal comfort conditions in offices are in line with the preferences of occupants. Controlling their offices correctly therefore requires the correct prediction of their thermal sensation which is often determined ... Keywords: decision support systems, intelligent systems, thermal comfort

Anika Schumann; Nic Wilson; Mateo Burillo

2010-06-01T23:59:59.000Z

130

Omnidirectional 3D Visualization for the Analysis of a Large-Scale Corpus: Tripitaka Koreana  

Science Conference Proceedings (OSTI)

This paper presents the research and development of a new omni spatial visualization framework for the collaborative interrogation of the world's largest Buddhist textual canon, using the worlds' first panoramic stereoscopic visualization environment ... Keywords: digital humanities, immersive visualization, visual analytics, computational linguistics

Sarah Kenderdine; Lew Lancaster; Howie Lan; Tobias Gremmler

2011-10-01T23:59:59.000Z

131

Enabling Energy-Efficient Approaches to Thermal Comfort Using Room Air Motion  

E-Print Network (OSTI)

uc/item/4488d1b8 Energy Efficiency, Thermal Comfort with Airuc/item/4488d1b8 Energy Efficiency, Thermal Comfort with Airuc/item/4488d1b8 Energy Efficiency, Thermal Comfort with Air

Pasut, Wilmer; Arens, Edward; Zhang, Hui; Kaam, Soazig; Zhai, Yongchao

2013-01-01T23:59:59.000Z

132

Indoor air movement acceptability and thermal comfort in hot-humid climates  

E-Print Network (OSTI)

comfort in warm conditions. ASHRAE Trans 84 (2): 263 277.Moving air for comfort. ASHRAE Journal: 18-29. [9] Zhang,control, and occupant comfort. ASHRAE Trans 110:1735. [11

Candido, Christhina Maria

2010-01-01T23:59:59.000Z

133

Field Study Of A Radiant Heating System For Sleep Thermal Comfort And Potential Energy Saving.  

E-Print Network (OSTI)

??As sleep is unconscious, the traditional definition of thermal comfort with conscious judgment does not apply. In this thesis sleep thermal comfort is defined as (more)

Wang, Christopher L. K.

2011-01-01T23:59:59.000Z

134

A framework for graph-based synthesis, analysis, and visualization of HPC cluster job data.  

Science Conference Proceedings (OSTI)

The monitoring and system analysis of high performance computing (HPC) clusters is of increasing importance to the HPC community. Analysis of HPC job data can be used to characterize system usage and diagnose and examine failure modes and their effects. This analysis is not straightforward, however, due to the complex relationships that exist between jobs. These relationships are based on a number of factors, including shared compute nodes between jobs, proximity of jobs in time, etc. Graph-based techniques represent an approach that is particularly well suited to this problem, and provide an effective technique for discovering important relationships in job queuing and execution data. The efficacy of these techniques is rooted in the use of a semantic graph as a knowledge representation tool. In a semantic graph job data, represented in a combination of numerical and textual forms, can be flexibly processed into edges, with corresponding weights, expressing relationships between jobs, nodes, users, and other relevant entities. This graph-based representation permits formal manipulation by a number of analysis algorithms. This report presents a methodology and software implementation that leverages semantic graph-based techniques for the system-level monitoring and analysis of HPC clusters based on job queuing and execution data. Ontology development and graph synthesis is discussed with respect to the domain of HPC job data. The framework developed automates the synthesis of graphs from a database of job information. It also provides a front end, enabling visualization of the synthesized graphs. Additionally, an analysis engine is incorporated that provides performance analysis, graph-based clustering, and failure prediction capabilities for HPC systems.

Mayo, Jackson R.; Kegelmeyer, W. Philip, Jr.; Wong, Matthew H.; Pebay, Philippe Pierre; Gentile, Ann C.; Thompson, David C.; Roe, Diana C.; De Sapio, Vincent; Brandt, James M.

2010-08-01T23:59:59.000Z

135

Case study: Visual analysis of complex, time-dependent simulation results of a diesel exhaust system  

E-Print Network (OSTI)

In previous work we have presented visualization techniques that provide engineers with a high degree of interactivity and flexibility for analyzing large, time-dependent, and high-dimensional data sets resulting from CFD (computational fluid dynamics) simulations. In this case study we apply our techniques in the fields of the automotive engineering industry and demonstrate how users benefit from using them during their routine analysis, as well as for exploring new phenomena. For coping with some of the special requirements in this application, we adapted and extended parts of the system. A comparison of two related cases of a diesel exhaust system is presented, and some important questions about these cases are addressed. 1.

Helmut Doleisch; Michael Mayer; Martin Gasser; Helwig Hauser

2004-01-01T23:59:59.000Z

136

DOE Solar Decathlon: News Blog » Comfort Zone  

NLE Websites -- All DOE Office Websites (Extended Search)

Comfort Zone Comfort Zone Below you will find Solar Decathlon news from the Comfort Zone archive, sorted by date. New Contest Data Displays Provide Insight into Competition Scoring Saturday, October 5, 2013 By Solar Decathlon New contest data displays are now available on the U.S. Department of Energy Solar Decathlon website. If you are interested in the real-time performance of each house and want to keep a close eye on the competition, check out the Contests section pages. In the Contests section, the pages for the measured contests (Comfort Zone, Hot Water, Appliances, Home Entertainment, and Energy Balance) explain the contest requirements and provide real-time graphical displays of the accumulated measurements/scores for each team. Roll your cursor over the graphics to see more detailed information about each contest. For example,

137

NREL: News Feature - Building Panels Protect, Provide Comfort  

NLE Websites -- All DOE Office Websites (Extended Search)

Building Panels Protect, Provide Comfort Building Panels Protect, Provide Comfort October 30, 2009 Walking into a building constructed before the days of heating systems and air conditioning, such as a southwestern adobe, still elicits a sense of comfort and coziness. The concept of using thermal mass in walls to help maintain the temperature of a building is not new. And now, this tried and true method is being used to regulate comfort systems of NREL's Research Support Facilities (RSF), one of the most energy efficient buildings in the world. "In this case, the exterior skin of the building is doing more than just keeping the weather out," Philip Macey, project manager for RNL, the design firm for the RSF, said. "Precast panels installed as the walls are actually part of the heating and cooling system for the building.

138

Home Energy Audits: Making Homes More Energy Efficient and Comfortable |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Home Energy Audits: Making Homes More Energy Efficient and Home Energy Audits: Making Homes More Energy Efficient and Comfortable Home Energy Audits: Making Homes More Energy Efficient and Comfortable March 21, 2013 - 12:00pm Q&A Have a story about improving your home's energy efficiency? Share your story with us & it could be the next one we profile on energy.gov! Share your story Addthis Learn how a home energy audit is helping Seth Budick and his family save money on their energy bills, reduce their carbon footprint and make their home more comfortable. | Photo courtesy of Seth Budick. Learn how a home energy audit is helping Seth Budick and his family save money on their energy bills, reduce their carbon footprint and make their home more comfortable. | Photo courtesy of Seth Budick. Rebecca Matulka Rebecca Matulka

139

Home Energy Audits: Making Homes More Energy Efficient and Comfortable |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Home Energy Audits: Making Homes More Energy Efficient and Home Energy Audits: Making Homes More Energy Efficient and Comfortable Home Energy Audits: Making Homes More Energy Efficient and Comfortable March 21, 2013 - 12:00pm Q&A Have a story about improving your home's energy efficiency? Share your story with us & it could be the next one we profile on energy.gov! Share your story Addthis Learn how a home energy audit is helping Seth Budick and his family save money on their energy bills, reduce their carbon footprint and make their home more comfortable. | Photo courtesy of Seth Budick. Learn how a home energy audit is helping Seth Budick and his family save money on their energy bills, reduce their carbon footprint and make their home more comfortable. | Photo courtesy of Seth Budick. Rebecca Matulka Rebecca Matulka

140

Thermal Comfort of Neutral Ventilated Buildings in Different Cities  

E-Print Network (OSTI)

Although the ASHRAE 55-1992 and ISO 7730 Standards are used all over the world, many researchers have pointed out that it is impossible to maintain a uniform thermal comfort standard worldwide because of differing climate conditions. Two field thermal comfort investigations were carried out in Shanghai and Changsha. In the hot season the neutral temperature in Changsha and Shanghai is 27.5? ET* and 26.5? ET*, respectively. Compared with other cities' studies, in Beijing and Tianjin, this paper discusses thermal comfort conditions in China. The results show that thermal neutral temperature in these Chinese cities is higher than that in the ASHRAE standard. Therefore, thermal comfort temperature in China cannot directly correlate with the ASHRAE standard. This difference should be considered when designing air conditioning designing to save energy.

Ye, X.; Zhou, Z.; Lian, Z.; Wen, Y.; Zhou, Z.; Jiang, C.

2006-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "visual comfort analysis" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

Achieving Comfort and Saving Energy with Sensor Networks in Buildings  

NLE Websites -- All DOE Office Websites (Extended Search)

Achieving Comfort and Saving Energy with Sensor Networks in Buildings Speaker(s): Danni Wang Date: July 7, 2005 - 12:00pm Location: Bldg. 90 One of the fundamental objectives of an...

142

Using Dashboards to Improve Energy and Comfort in Federal Buildings  

E-Print Network (OSTI)

detection to identify energy waste in a specific building,detect system anomalies or energy waste. Notice gas used forenergy consumption, comfort improvements, retro commissioning, and anomaly detection. Identify areas of waste and

Marini, Kyle

2011-01-01T23:59:59.000Z

143

Medical (visual) information retrieval  

Science Conference Proceedings (OSTI)

This text gives a broad overview of the domain of visual medical information retrieval and medical information analysis/search in general. The goal is to describe the specifics of medical information analysis and more specifically of medical visual information ... Keywords: content-based image retrieval, medical information retrieval, medical visual information retrieval

Henning Mller

2012-01-01T23:59:59.000Z

144

Thermal sensation and comfort models for non-uniform and transient environments: Part II: local comfort of individual body parts  

E-Print Network (OSTI)

to local heating and cooling [18,19], thermal sensation andbody heating and cooling. Journal of Thermal Biology 2004;b. pelvis cooling or heating c. thermal comfort scale Figure

Zhang, Hui; Arens, Edward; Huizenga, Charlie; Han, Taeyoung

2009-01-01T23:59:59.000Z

145

Archaeological data visualization in VR: analysis of lamp finds at the great temple of petra, a case study  

Science Conference Proceedings (OSTI)

We present the results of an evaluation of the ARCHAVE system, an immersive virtual reality environment for archaeological research. ARCHAVE is implemented in a Cave. The evaluation studied researchers analyzing lamp and coin finds throughout the excavation ... Keywords: archaeological data analysis, immersive virtual reality interfaces, scientific visualization

Daniel Acevedo; Eileen Vote; David H. Laidlaw; Martha S. Joukowsky

2001-10-01T23:59:59.000Z

146

Visualizing nD Point Clouds as Topological Landscape Profiles to Guide Local Data Analysis  

E-Print Network (OSTI)

for a topology- based projection and visualization ofTraditional techniques, such as projections or axis-basedtechniques, suffer from projection artifacts, occlusion, and

Oesterling, Patrick

2013-01-01T23:59:59.000Z

147

Lytic: synthesizing high-dimensional algorithmic analysis with domain-agnostic, faceted visual analytics  

Science Conference Proceedings (OSTI)

We present Lytic, a domain-independent, faceted visual analytic (VA) system for interactive exploration of large datasets. It combines a flexible UI that adapts to arbitrary character-separated value (CSV) datasets with algorithmic preprocessing ... Keywords: infovis, scientific intelligence, visual analytics

Edward Clarkson, Jaegul Choo, John Turgeson, Ray Decuir, Haesun Park

2013-08-01T23:59:59.000Z

148

Analysis and Implementation for a Walking Support System for Visually Impaired People  

Science Conference Proceedings (OSTI)

Visually impaired people are faced with challenges in detecting information about terrain. This paper presents a new walking support system for the blind to navigate without any assistance from others or using a guide cane. In this research, a belt, ... Keywords: Mobility, Navigation, Obstacles Avoidance Algorithm, Visually Impaired People, Walking Support System

Eklas Hossain; Md Raisuddin Khan; Riza Muhida; Ahad Ali

2011-07-01T23:59:59.000Z

149

PQuad - A visual analysis platform for proteomic data exploration of microbial organism  

SciTech Connect

The visual Platform for Proteomics Peptide and Protein data exploration (PQuad) is a multi-resolution environment that visually integrates genomic and proteomic data at the prokaryotic scale, display biological categorical information and view differential expression experiments. PQuad is built on Java 1.5 and has been tested and runs across different operating systems.

Webb-Robertson, Bobbie-Jo M.; Peterson, Elena S.; Singhal, Mudita; Klicker, Kyle R.; Oehmen, Chris S.; Adkins, Joshua N.; Havre, Susan L.

2007-07-01T23:59:59.000Z

150

Approximation of linear discriminant analysis for word dependent visual features selection  

Science Conference Proceedings (OSTI)

To automatically determine a set of keywords that describes the content of a given image is a difficult problem, because of (i) the huge dimension number of the visual space and (ii) the unsolved object segmentation problem. Therefore, in order to solve ... Keywords: CBIR, COREL database, Fisher LDA, HAC, PCA, feature selection, high dimension problem, image auto-annotation, visual segmentation, word prediction

Herv Glotin; Sabrina Tollari; Pascale Giraudet

2005-09-01T23:59:59.000Z

151

Predictions of thermal comfort and pollutant distributions for a thermostatically-controlled, air-conditioned, partitioned room: Numerical results and enhanced graphical presentation  

SciTech Connect

An index of local thermal comfort and pollutant distributions have been computed with the TEMPEST computer code, in a transient simulation of an air-conditioned enclosure with an incomplete partition. This complex three-dimensional air conditioning problem included forced ventilation through inlet veins, flow through a partition, remote return air vents, and infiltration source, a pollutant source, and a thermostatically controlled air conditioning system. Five forced ventilation schemes that varied in vent areas and face velocities were simulated. Thermal comfort was modeled as a three-dimensional scalar field dependent on the fluid velocity and temperature fields; where humidity activity levels, and clothing were considered constants. Pollutants transport was incorporated through an additional constituent diffusion equation. Six distinct graphic techniques for the visualization of the three-dimensional data fields of air velocity, temperature, and comfort index were tested. 4 refs., 7 figs., 1 tab.

White, M.D.; Eyler, L.L.

1989-05-01T23:59:59.000Z

152

Distributed Data-Flow for In-Situ Visualization and Analysis at Petascale  

Science Conference Proceedings (OSTI)

We conducted a feasibility study to research modifications to data-flow architectures to enable data-flow to be distributed across multiple machines automatically. Distributed data-flow is a crucial technology to ensure that tools like the VisIt visualization application can provide in-situ data analysis and post-processing for simulations on peta-scale machines. We modified a version of VisIt to study load-balancing trade-offs between light-weight kernel compute environments and dedicated post-processing cluster nodes. Our research focused on memory overheads for contouring operations, which involves variable amounts of generated geometry on each node and computation of normal vectors for all generated vertices. Each compute node independently decided whether to send data to dedicated post-processing nodes at each stage of pipeline execution, depending on available memory. We instrumented the code to allow user settable available memory amounts to test extremely low-overhead compute environments. We performed initial testing of this prototype distributed streaming framework, but did not have time to perform scaling studies at and beyond 1000 compute-nodes.

Laney, D E; Childs, H R

2009-03-13T23:59:59.000Z

153

DOE Solar Decathlon: News Blog » Comfort Zone  

NLE Websites -- All DOE Office Websites (Extended Search)

'Comfort Zone' 'Comfort Zone' New Contest Data Displays Provide Insight into Competition Scoring Saturday, October 5, 2013 By Solar Decathlon New contest data displays are now available on the U.S. Department of Energy Solar Decathlon website. If you are interested in the real-time performance of each house and want to keep a close eye on the competition, check out the Contests section pages. In the Contests section, the pages for the measured contests (Comfort Zone, Hot Water, Appliances, Home Entertainment, and Energy Balance) explain the contest requirements and provide real-time graphical displays of the accumulated measurements/scores for each team. Roll your cursor over the graphics to see more detailed information about each contest. For example, in the Appliances Contest graphic, the scores for running the refrigerator,

154

Energy Savings, Improved Comfort for West Virginia County Government |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Energy Savings, Improved Comfort for West Virginia County Energy Savings, Improved Comfort for West Virginia County Government Energy Savings, Improved Comfort for West Virginia County Government July 29, 2010 - 6:15pm Addthis The new chiller system at the Dunn Building replaced an outdated rooftop-based HVAC system. | Photo courtesy of Deborah Hammond The new chiller system at the Dunn Building replaced an outdated rooftop-based HVAC system. | Photo courtesy of Deborah Hammond What are the key facts? $329,600 Energy Efficiency and Conservation Block Grant 103,000 kWh annual energy savings from HVAC system replacement 141,100 pounds of CO2 emissions avoided at the Dunn Building On any given day up to 2,000 people visit the Dunn Building in Martinsburg, W. Va. The building is the site for the Blue Ridge Community and Technical

155

Coast Electric Power Association - Comfort Advantage Home Program |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Coast Electric Power Association - Comfort Advantage Home Program Coast Electric Power Association - Comfort Advantage Home Program Coast Electric Power Association - Comfort Advantage Home Program < Back Eligibility Residential Savings Category Heating & Cooling Commercial Heating & Cooling Heat Pumps Program Info State Mississippi Program Type Utility Rebate Program Rebate Amount 300 - 500, varies by home efficiency 150 per additional qual$300 - $500, varies by home efficiency Geothermal Heat Pumps: $400 - $500 Additional Heat Pump Units (When Required): $150ified heat pump system Provider Coast Electric Power Association Coast Electric Power Association (CEPA) provides rebates on heat pumps to new homes which meet certain weatherization standards. To qualify for this rebate the home must have: * Attic insulation of at least R-38 or encapsulated foam attic insulation

156

Comfort, cleanliness and convenience: The creeping transformation of  

NLE Websites -- All DOE Office Websites (Extended Search)

Comfort, cleanliness and convenience: The creeping transformation of Comfort, cleanliness and convenience: The creeping transformation of normality and what it means for energy consumption and the environment Speaker(s): Elizabeth Shove Date: April 24, 2001 - 12:00pm Location: Bldg. 90 Seminar Host/Point of Contact: Kristina LaCommare In Western societies the sense of changing practice is both pervasive and elusive. Over just one or two generations, expectations have shifted radically: though some people in Britain still wake to patterns of frost on the inside of the window, many more have come to take the comforts of central heating and even air-conditioning for granted. To give a second quite specific example, again from Britain, the once-a-week bath is giving way to patterns of daily showering, a form predominantly valued for its

157

Grant Improves Comfort for Nevada City's Employees | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Grant Improves Comfort for Nevada City's Employees Grant Improves Comfort for Nevada City's Employees Grant Improves Comfort for Nevada City's Employees June 24, 2010 - 3:46pm Addthis Caliente, Nev., has a unique city hall: a historic railroad depot. Built in 1923 as a maintenance center halfway between Salt Lake City and Los Angeles, the depot is known far outside southeastern Nevada for its role in railway history and its Mission Revival architecture. There was just one problem: it was built before central heating or air-conditioning. "When the information on the grant came through, I was, to be perfectly honest, singing hallelujah, because I was sitting in my office with two space heaters going and a blanket over my legs," says Stana Hurlburt, grant writer for the city of Caliente. So Hurlburt and her colleagues applied for, and received, a grant of

158

Design Tools for Evaluating Alternative Strategies' Impact on Human Comfort  

E-Print Network (OSTI)

Many designers recognize that energy savings can be achieved with alternative or innovative strategies; however, few design tools have been available to assist designers with evaluating alternatives. This paper demonstrates the use of a standard psychrometric chart enhanced with an expanded comfort zone plot based on multiple energy conservation strategies. Average local weather conditions can be plotted by month on the psychrometric chart to indicate which design alternatives have the greatest potential benefits. By utilizing a familiar engineering design tool to communicate integrated design techniques, better coordination can be achieved between architects and engineers. Victor Olgyay pioneered similar work at Notre Dame in the 1950's; however, his unusual graphical presentation has hindered widespread understanding and use of the fundamentals of expanded comfort zones. This paper outlines the basic concept of the expanded comfort zone with applications for use of mean radiant temperatures, direct radiation. air movement and evaporative cooling with examples shown for Dallas and Houston climates.

Holder, L. M. III; Hart, M. N.

1985-01-01T23:59:59.000Z

159

Energy Savings, Improved Comfort for West Virginia County Government |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Savings, Improved Comfort for West Virginia County Savings, Improved Comfort for West Virginia County Government Energy Savings, Improved Comfort for West Virginia County Government July 29, 2010 - 6:15pm Addthis The new chiller system at the Dunn Building replaced an outdated rooftop-based HVAC system. | Photo courtesy of Deborah Hammond The new chiller system at the Dunn Building replaced an outdated rooftop-based HVAC system. | Photo courtesy of Deborah Hammond What are the key facts? $329,600 Energy Efficiency and Conservation Block Grant 103,000 kWh annual energy savings from HVAC system replacement 141,100 pounds of CO2 emissions avoided at the Dunn Building On any given day up to 2,000 people visit the Dunn Building in Martinsburg, W. Va. The building is the site for the Blue Ridge Community and Technical

160

Living Comfortably: A Consumer's Guide to Home Energy Upgrades |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Living Comfortably: A Consumer's Guide to Home Energy Upgrades Living Comfortably: A Consumer's Guide to Home Energy Upgrades Living Comfortably: A Consumer's Guide to Home Energy Upgrades March 7, 2013 - 3:15pm Addthis A weatherization worker drills holes to blow cellulose insulation in the interior walls of this home. | Photo courtesy of Dennis Schroeder, NREL A weatherization worker drills holes to blow cellulose insulation in the interior walls of this home. | Photo courtesy of Dennis Schroeder, NREL Dr. Richard Knaub Project Leader in Weatherization & Workforce Development at the National Renewable Energy Laboratory Energy audit tools An infrared camera can display temperature differences between surfaces and help determine if a wall is insulated. It can show drafts and moisture, which can lead to mold problems.

Note: This page contains sample records for the topic "visual comfort analysis" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


161

Evaluation of Air Mixing and Thermal Comfort From High Sidewall Supply Air Jets  

SciTech Connect

Uniform mixing of conditioned air with room air is an essential factor for providing comfort in homes. The higher the supply flow rates the easier to reach good mixing in the space. In high performance homes, however, the flow rates required to meet the small remaining thermal loads are not large enough to maintain uniform mixing in the space. The objective of this study is to resolve this issue and maintain uniform temperatures within future homes. We used computational fluid dynamics modeling to evaluate the performance of high sidewall air supply for residential applications in heating and cooling modes. Parameters of the study are the supply velocity, supply temperature, diffuser dimensions, and room dimensions. Laboratory experiments supported the study of thermal mixing in heating mode; we used the results to develop a correlation to predict high sidewall diffuser performance. For cooling mode, numerical analysis is presented. The results provide information to guide the selection of high sidewall supply diffusers to maintain proper room mixing for heating and cooling of high performance homes. It is proven that these systems can achieve good mixing and provide acceptable comfort levels. Recommendations are given on the operating conditions to guarantee occupant comfort.

Ridouane, E. H.

2011-09-01T23:59:59.000Z

162

Case study: visual analysis of complex, time-dependent simulation results of a diesel exhaust system  

Science Conference Proceedings (OSTI)

In previous work we have presented visualization techniques that provide engineers with a high degree of interactivity and flexibility for analyzing large, time-dependent, and high-dimensional data sets resulting from CFD (computational fluid dynamics) ...

Helmut Doleisch; Michael Mayer; Martin Gasser; Roland Wanker; Helwig Hauser

2004-05-01T23:59:59.000Z

163

An Example of a NetworkBased Approach to Data Access, Visualization, Interactive Analysis, and Distribution  

Science Conference Proceedings (OSTI)

A freely available software package, called WebWinds, has been developed that allows atmospheric scientists, educators, students, and the general public to quickly and easily visualize and analyze data on many of the computer platforms in use ...

Lee Elson; Mark Allen; Jeff Goldsmith; Martin Orton; William Weibel

2000-03-01T23:59:59.000Z

164

Statistical Analysis and Dynamic Visualization of Travis Peak Production in the Eastern Texas Basin  

E-Print Network (OSTI)

Gas production has increased exponentially over the last 30 years, which is in response to the increasing demand for natural gas. This trend is speculated to continue to increase as legislation continues to be passed requiring power plants to reduce nitrogen oxide emissions. This recently happened in Colorado according to the Washington Post, giving more consideration to using natural gas. As natural gas becomes more popular there is a need to understand the production patterns and observable trends, integrating data from various sources. This research will attempt to do just that for wells producing from the Travis Peak formation. Using data from HPDI L.L.C., (www.hpdi.com) a visual representation was created for the areal distribution of peak gas rates and cumulative gas production. This allowed us to categorize wells by their production performance and we found that areas with relatively high peak gas rates also had high cumulative gas production. An analysis of these wells was done by completion year, and we found that wellhead prices of natural gas strongly influenced the annual number of new wells. We also found that the distribution of the annual number of new wells affected the average annual initial production rate and the peak gas rate of new wells. Wells located in areas of poor production performance were analyzed and it was apparent that newer wells performed relatively better than older ones and well stimulation is a major requirement for better gas production. Wells located in areas of good production performance were also analyzed and we found that the distribution of newer wells to older ones influenced the relative performance of individual wells. Overall, there was no observable trend between production variables in Travis Peak. No trend in production variable was found to be exclusively associated with good performing wells or poor performing wells.

Ayanbule, Babafemi O.

2010-08-01T23:59:59.000Z

165

Using Dashboard to Improve Energy and Comfort in Federal Buildings  

E-Print Network (OSTI)

LBNL-4283E Using Dashboard to Improve Energy and Comfort in Federal Buildings Kyle Marini of the Building 90 monitoring team, including, Jose (Arturo) Ayala-Navarro, Geoffrey Bell, Nicholas Goodell for the assistance of the LBNL Facilities electricians, telecommunication services, and the patience of the building

Diamond, Richard

166

Ductless Mini-Split Heat Pump Comfort Evaluation  

SciTech Connect

Field tests were conducted in two homes in Austin, TX to evaluate the comfort performance of ductless mini-split heat pumps (DMSHPs), measuring temperature and relative humidity measurements in four rooms in each home before and after retrofitting a central HVAC system with DMSHPs.

Roth, K.; Sehgal, N.; Akers, C.

2013-03-01T23:59:59.000Z

167

Dew Point Evaporative Comfort Cooling: Report and Summary Report  

Science Conference Proceedings (OSTI)

The project objective was to demonstrate the capabilities of the high-performance multi-staged IEC technology and its ability to enhance energy efficiency and interior comfort in dry climates, while substantially reducing electric-peak demand. The project was designed to test 24 cooling units in five commercial building types at Fort Carson Army Base in Colorado Springs, Colorado.

Dean, J.; Herrmann, L.; Kozubal, E.; Geiger, J.; Eastment, M.; Slayzak, S.

2012-11-01T23:59:59.000Z

168

Understanding adaptive thermal comfort: new directions for UbiComp  

Science Conference Proceedings (OSTI)

In many parts of the world, mechanical heating and cooling is used to regulate indoor climates, with the aim of maintaining a uniform temperature. Achieving this is energy-intensive, since large indoor spaces must be constantly heated or cooled, and ... Keywords: cooling, heating, sustainability, thermal comfort

Adrian K. Clear, Janine Morley, Mike Hazas, Adrian Friday, Oliver Bates

2013-09-01T23:59:59.000Z

169

Understanding Adaptive Thermal Comfort: New Directions for Ubicomp  

E-Print Network (OSTI)

in this domain. Author Keywords Sustainability; Thermal comfort; Heating; Cooling ACM Classification Keywords H.5, such as air conditioning or central heating [21, 23]. There has been a global trend of convergence and tighter on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting

Hazas, Mike

170

Affordable comfort 95 - investing in our energy future  

Science Conference Proceedings (OSTI)

This report describes the topics from the conference on Affordable Comfort, held March 26-31, 1995. Topics are concerned with energy efficiency in homes, retrofitting, weatherization, and monitoring of appliances, heating, and air conditioning systems for performance, as well as topics on electric utilities.

NONE

1995-12-31T23:59:59.000Z

171

Comfort standards and variation in exceedance for mixed-mode buildings.  

E-Print Network (OSTI)

ASHRAE 55 adaptive comfort model and the PPD model across all 16 climate zonesASHRAE 55 adaptive comfort model versus PPD for the mixed- mode case with baseline gains in every climate zone

Brager, Gail; Borgeson, Sam

2010-01-01T23:59:59.000Z

172

Toward adaptive comfort management in office buildings using participatory sensing for end user driven control  

Science Conference Proceedings (OSTI)

Current building management systems (BMS) operate based on conservatively defined operational hours, maximum occupancy rates, and standardized occupant comfort set points. Despite the increasing building energy consumption rates, occupants are not usually ... Keywords: occupant comfort, office buildings, participatory sensing

Farrokh Jazizadeh; Burcin Becerik-Gerber

2012-11-01T23:59:59.000Z

173

Sun, wind, and pedestrian comfort: a study of Toronto's Central Area  

E-Print Network (OSTI)

No. ST10,1978, pp. 1585-1593. Sun, Wind and Comfort Appendixshadow for both spaces. Sun, Wind and Comfort Discretionaryfor the obvious reason that the sun does not shine from the

Bosselmann, P.; Arens, Edward A; Dunker, K.; Wright, R.

1990-01-01T23:59:59.000Z

174

Sun, Wind, and Comfort A Study of Open Spaces and Sidewalks in Four Downtown Areas  

E-Print Network (OSTI)

Plan as o f Bibliography Sun, Wind, and Comfort Arens,Flores, and Terence O'Hare, Sun and Light for Downtown SanSUN, WIND, AND COMFORT A Study of Open Spaces and Sidewalks

1984-01-01T23:59:59.000Z

175

Thermal comfort in naturally ventilated buildings: revisions to ASHRAE Standard 55  

E-Print Network (OSTI)

ASHRAE began funding a series of field studies of thermal comfort in office buildings spread across four different climate zones.

de Dear, Richard; Brager, Gail

2002-01-01T23:59:59.000Z

176

Indoor air movement acceptability and thermal comfort in hot-humid climates  

E-Print Network (OSTI)

gender, acclimation state, the opportunity to adjust clothing and physical disability on requirements for thermal comfort. Energy

Candido, Christhina Maria

2010-01-01T23:59:59.000Z

177

Simple procedure for assessing thermal comfort in passive solar heated buildings  

DOE Green Energy (OSTI)

The Fanger thermal comfort equation is linearized and used to develop a procedure for assessing thermal comfort levels in passive solar heated buildings. In order to relate comfort levels in nonuniform environments to uniform conditions, a new thermal index called the equivalent uniform temperature is introduced.

Wray, W.O.

1979-01-01T23:59:59.000Z

178

Cold hands, warm hearth?: Climate, net takeback, household comfort  

Science Conference Proceedings (OSTI)

Insulation reduces marginal heating costs and may lead to a takeback effect of higher wintertime thermostat settings, with a consequent dilution of energy savings. Alternatively, additional insulation could permit a lower thermostat setting by reducing drafts and radiation while increasing moisture retention, thereby enhancing comfort. This paper evaluates thermostat net takeback, the difference between takeback and enhanced comfort. Evidence supports the existence of both effects, with net takeback at the low end of literature estimates. Net thermostat takeback is on the order of 0.05{degrees}F, leading to an energy takeback that ranges from 1-3% of potential energy savings, depending on climate and house size. Other significant determinants of thermostat are heating energy price and the presence of elderly or young occupants. 19 refs., 4 tabs.

Schwarz, P.M. [North Carolina Univ., Charlotte, NC (United States); Taylor, T.N. [Duke Power Co., Charlotte, NC (United States)

1995-12-31T23:59:59.000Z

179

NIH-BNL SpaltVis SplatVis: a Data Analysis and Visualization Tool  

E-Print Network (OSTI)

the VTK library, and the GUI is done in Tcl/Tk. We use a "splatting" technique to interactively visualize mentioned. The user interface is implemented in Tcl/Tk. Figure 2, Left gives the control panel for the vi/non-cancer decision trees based 1 #12;NIH-BNL SpaltVis Figure 2: Tcl/TK GUI. Left: the control panel. Right: .schema

Tennessee, University of

180

Visualization for the Physical Sciences  

Science Conference Proceedings (OSTI)

Close collaboration with other scientific fields is an important goal for the visualization community. Yet engaging in a scientific collaboration can be challenging. The physical sciences, namely astronomy, chemistry, earth sciences and physics, exhibit ... Keywords: I.3.8 [Computer Graphics]: ApplicationsVisualization, I.6.6 [Simulation and Modeling]: Symulation Output AnalysisVisualization, J.2 [Physical Sciences and Engineering]: AstronomyVisualization, J.2 [Physical Sciences and Engineering]: ChemistryVisualization, J.2 [Physical Sciences and Engineering]: Earth and atmospheric sciencesVisualization, J.2 [Physical Sciences and Engineering]: PhysicsVisualization

Dan R. Lip?a; Robert S. Laramee; Simon J. Cox; Jonathan C. Roberts; Rick Walker; Michelle A. Borkin; Hanspeter Pfister

2012-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "visual comfort analysis" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


181

Comfort and HVAC Performance for a New Construction Occupied Test House in Roseville, California  

SciTech Connect

K. Hovnanian(R) Homes(R) constructed a 2,253-ft2 single-story slab-on-grade ranch house for an occupied test house (new construction) in Roseville, California. One year of monitoring and analysis focused on the effectiveness of the space conditioning system at maintaining acceptable temperature and relative humidity levels in several rooms of the home, as well as room-to-room differences and the actual measured energy consumption by the space conditioning system. In this home, the air handler unit (AHU) and ducts were relocated to inside the thermal boundary. The AHU was relocated from the attic to a mechanical closet, and the ductwork was located inside an insulated and air-sealed bulkhead in the attic. To describe the performance and comfort in the home, the research team selected representative design days and extreme days from the annual data for analysis. To ensure that temperature differences were within reasonable occupant expectations, the team followed Air Conditioning Contractors of America guidance. At the end of the monitoring period, the occupant of the home had no comfort complaints in the home. Any variance between the modeled heating and cooling energy and the actual amounts used can be attributed to the variance in temperatures at the thermostat versus the modeled inputs.

Burdick, A.

2013-10-01T23:59:59.000Z

182

Personal Comfort Systems: Cooling/Heating Local Body Parts Efficient Ways  

NLE Websites -- All DOE Office Websites (Extended Search)

Personal Comfort Systems: Cooling/Heating Local Body Parts Efficient Ways Personal Comfort Systems: Cooling/Heating Local Body Parts Efficient Ways to Provide Comfort Indoors Speaker(s): Hui Zhang Date: October 9, 2012 - 12:00pm Location: 90-3122 Seminar Host/Point of Contact: Rongxin Yin This presentation describes energy efficient approaches to provide comfort in offices by creating non-uniform and transient thermal environments. The presentation will describe 1) distributions and characteristics of thermoreceptors of human body, 2) comfort responses of people exposed to complex thermal environments, 3) concept of "alliesthesia", 4) personal comfort systems developed by CBE, 5) their energy efficiency and demand response potential, and 6) the CBE advanced thermal comfort model. A recording of this seminar is available at: https://vimeo.com/51536661

183

Monitored Energy Performance of Electrochromic Windows Controlled for Daylight and Visual Comfort  

E-Print Network (OSTI)

pump) unit provides space conditioning to the thermal guardfan coil units provide space conditioning to each individual

Lee, Eleanor S.; DiBartolomeo, Dennis L.; Klems, Joseph; Yazdanian, Mehry; Selkowitz, Stephen E.

2005-01-01T23:59:59.000Z

184

Monitored Energy Performance of Electrochromic Windows Controlled for Daylight and Visual Comfort  

E-Print Network (OSTI)

in thermal, daylighting, and control system performanceEC windows and daylighting control systems: energy savingswith a dimmable daylighting control system. Daily lighting

Lee, Eleanor S.; DiBartolomeo, Dennis L.; Klems, Joseph; Yazdanian, Mehry; Selkowitz, Stephen E.

2005-01-01T23:59:59.000Z

185

Web application for thermal comfort visualization and calculation according to ASHRAE Standard 55  

E-Print Network (OSTI)

natural ventilation, solar radiation, shading, evaporativesolar gain (direct, sky-diffuse, and ground-reflected shortwave radiation)

Schiavon, Stefano; Hoyt, Tyler; Piccioli, Alberto

2013-01-01T23:59:59.000Z

186

Web application for thermal comfort visualization and calculation according to ASHRAE Standard 55  

E-Print Network (OSTI)

and calculation according to ASHRAE Standard 55 U.S. Greenand calculation according to ASHRAE Standard 55and calculation according to ASHRAE Standard 55 Stefano

Schiavon, Stefano; Hoyt, Tyler; Piccioli, Alberto

2013-01-01T23:59:59.000Z

187

Visual Anecdote  

E-Print Network (OSTI)

The discourse on information visualization often remains limited to the exploratory function its potential for discovering patterns in the data. However, visual representations also have a rhetorical function: they ...

Offenhuber, Dietmar

188

NREL: Dynamic Maps, GIS Data, and Analysis Tools - Data Visualization &  

NLE Websites -- All DOE Office Websites (Extended Search)

MapSearch Searching for maps has never been easier. A screen capture of the MapSearch Map view option Bookmark and Share Data Visualization & Geospatial Tools NREL's Geographic Information System (GIS) Team has developed tools that allow users to apply these data. These tools help determine things such as how much electricity can be produced from solar systems on a house or what renewable resources are available in a specific areas. Please visit http://maps.nrel.gov/ for the most current list of available NREL's GIS tools. If you have difficulty using these tools because of a disability, please contact the Webmaster. General Interactive Mapping Tools Access RE Atlas, Solar Power Prospector, PVWatts, and other popular tools that dynamically generate maps of renewable energy resources.

189

Vehicle/guideway interaction and ride comfort in maglev systems  

DOE Green Energy (OSTI)

The importance of vehicle/guideway dynamics in maglev systems is discussed. The particular interest associated with modeling vehicle guide-way interactions and explaining response characteristics of maglev systems for a multicar, multiload vehicle traversing on a single- or double-span flexible guideway are considered, with an emphasis on vehicle/guideway coupling effects, comparison of concentrated and distributed loads, and ride comfort. Coupled effects of vehicle/guideway interactions over a wide range of vehicle speeds with various vehicle and guideway parameters are investigated, and appropriate critical vehicle speeds or crossing frequencies are identified.

Cai, Y.; Chen, S.S.; Rote, D.M.; Coffey, H.T.

1993-10-01T23:59:59.000Z

190

Developing a paradigm for visualizing architecture using computational methods : an analysis of the Havana Project by Lebbeus Woods  

E-Print Network (OSTI)

This thesis is concerned with developing a more detailed and efficient process for visualizing architectural forms with computational tools. The thesis will examine the origins of computer visualization and its current ...

Anderson, Gregory E. (Gregory Eugene)

1996-01-01T23:59:59.000Z

191

Short-Term Monitoring to Diagnose Comfort Problems in a Residence in Central Texas  

E-Print Network (OSTI)

This paper presents results from a project to resolve comfort problems created by high indoor humidity in a 3,400 sq.ft. house in Bryan, Texas. The case study house had been certified by the local utility to meet their energy efficiency standards. However, the resident of the house complained that the house felt too humid although the desired temperature conditions were being maintained. Several HVAC contractors had been previously hired to resolve the problem without success. The field measurements undertaken to diagnose the problem are typical of those that could be undertaken by a house inspector and include an inspection of the construction of the house, short-term monitoring of temperature and humidity, blower door tests and whole-house pressurization tests. To perform the analysis both floors of the house were instrumented with portable data loggers and monitored for a period of two weeks to measure the temperature and relative humidity of the supply, return and ambient conditions. Analysis procedures applied to the house include comparing the measured data against the ASHRAE comfort zone (ASHRAE, 1997) which confirmed adequate zone temperatures with high humidity conditions, and inadequate supply air delivery temperatures for humidity removal. Combined results of the blower door tests and whole-house pressurization tests indicated a potential for leakage through the return air duct. After the recommendations were presented to the homeowner, a new contractor was hired and retrofits applied on the house (i.e., cleaning the cooling coils, enlarging the compressor and relining of the return duct). Measurements were then repeated to determine that the problem had been f ~ e d . This paper describes the case study residence, the measurements used to diagnose the problem, analysis methods, and presents results of the application of the analysis.

Kootin-Sanwu, V.; Sresthaputra, A.; Haberl, J. S.

2000-01-01T23:59:59.000Z

192

NERSC Visualization  

NLE Websites -- All DOE Office Websites (Extended Search)

Visualization Visualization Visualization jet-sdavid.jpg Visualization facilitates data exploration. It often supports simulation since it allows inspection of the output varying in time or with changes in parameter values, or for the locations of interesting regions in large data sets. The term visualization often is used to describe the rendering of 3D isosurfaces and volumes, whereas the term graphics usually is applied to plots such as scatter plots and histograms. Our mission is to assist researchers in achieving their scientific goals - solving some of the world's most challenging problems in scientific data understanding - through visualization and analytics while simultaneously advancing the state-of-the-art in visualization through our own research. From the standpoint of a user of NERSC, for example, the

193

Observations of upper-extremity skin temperature and corresponding overall-body thermal sensations and comfort  

E-Print Network (OSTI)

body heating and cooling, Journal of Thermal Biology 2004;after local cooling was supplied, overall thermal comfortstate, thermal sensation, and comfort in the cooling region.

Wang, Danni; Zhang, H. Ph.D; Arens, Edward A; Huizenga, C

2007-01-01T23:59:59.000Z

194

PureComfort 240 Combined Cooling,Heating,and Power Unit  

Science Conference Proceedings (OSTI)

This report is the second interim case study of a PureComfort 240 combined cooling, heating and power project at the University of Toronto, Mississauga.

2006-12-06T23:59:59.000Z

195

Active improvement of air-conditioning system energy consumption with adaptive thermal comfort approach.  

E-Print Network (OSTI)

??The MSc research project aims to suggest improvements to building air-conditioning control systems, to reduce energy consumption while maintaining the comfort level of the occupants. (more)

Muhammad Saleh, Muhammad Fadzli

2013-01-01T23:59:59.000Z

196

Indoor air movement acceptability and thermal comfort in hot-humid climates  

E-Print Network (OSTI)

Windsor Conference - Air Conditioning and the Low CarbonA. , Thomas, PC (2010). Air conditioning, comfort and energyAmerica's Romance with Air- Conditioning. Washington, D.C.

Candido, Christhina Maria

2010-01-01T23:59:59.000Z

197

Examples of in transit visualization  

Science Conference Proceedings (OSTI)

One of the most pressing issues with petascale analysis is the transport of simulation results data to a meaningful analysis. Traditional workflow prescribes storing the simulation results to disk and later retrieving them for analysis and visualization. ... Keywords: in situ, in transit, parallel scientific visualization, staging

Kenneth Moreland; Ron Oldfield; Pat Marion; Sebastien Jourdain; Norbert Podhorszki; Venkatram Vishwanath; Nathan Fabian; Ciprian Docan; Manish Parashar; Mark Hereld; Michael E. Papka; Scott Klasky

2011-11-01T23:59:59.000Z

198

Visual Breakout  

Energy.gov (U.S. Department of Energy (DOE))

Visual Breakout of the Cummulative Barrels of Oil Recovered by the Discoverer Enterprise, Q4000 and HP1.Updated through 12:00 AM on July 16, 2010.

199

Individual User Behavior Leading Factor in Comfort Control  

E-Print Network (OSTI)

With global warming effects and exploding energy prices it is necessary to further optimize the energy performance of buildings. Intelligent Agents technology for individual climate control for each user of a building in combination with feedback on the energy consumption (costs) leads to better acceptance of the individual comfort and a reduction of the energy consumption. Agents at room level with knowledge of the actual preferences of the occupants are used to improve the distribution of the available HVAC resources of the building and lead to better performance with less energy consumption and at lower costs. At building level an agent is used to optimize the settings of HVAC-controls and lead to peak reduction. The technology was tested in field tests in different office buildings in the Netherlands.

Zeiler, W.; Boxem, G.; Van Houten, M. A.; Wortel, W.; Van Der Velden, J. A. J.; Kamphuis, R.; Hommelberg, M.; Broekhuizen, H.

2008-10-01T23:59:59.000Z

200

A Visual Network Analysis Method for Large Scale Parallel I/O Systems  

E-Print Network (OSTI)

the increased computational load. Since all of these transactions are stored in the VAMPIRE database, no dataVAMPIRE microarray suite: a web-based platform for the interpretation of gene expression data of analysis, collectively known as variance-modeled posterior inference with regional exponentials (VAMPIRE

Note: This page contains sample records for the topic "visual comfort analysis" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


201

A thermal comfort levels investigation of a naturally ventilated and air-conditioned office  

Science Conference Proceedings (OSTI)

The purpose of this study is to investigate thermal comfort levels of a naturally ventilated and air-conditioner office. Field experiments conducted in an office room in Universiti Putra Malaysia (UPM) used survey questionnaires and physical measurements. ... Keywords: PMV, mechanically ventilation, naturally ventilated, neutral temperature, objective study, subjective approach, thermal comfort

R. Daghigh; N. M. Adam; K. Sopian; A. Zaharim; B. B. Sahari

2008-09-01T23:59:59.000Z

202

Effective and Comfortable Power Control Model Using Kalman Filter for Building Energy Management  

Science Conference Proceedings (OSTI)

In building environment energy management is a big problem in recent years. Several methods and proposals exist in the literature for energy management, but the trade-off between occupants comfort level and energy usage is still a major challenge and ... Keywords: Comfort index, Energy management in buildings, Energy savings Kalman filter, Fuzzy logic

Safdar Ali, Do-Hyeun Kim

2013-12-01T23:59:59.000Z

203

Field Studies of Subjective Effects on Thermal Comfort in a University Classroom  

E-Print Network (OSTI)

Two field studies were conducted in a university classroom in the autumn of 2004 in Harbin. The objective of these studies was to assess the thermal conditions and the subjective effects on occupant thermal comfort. A field study was carried out when the undergraduate students were not taught the theory of thermal comfort. A second study was conducted after the undergraduate students knew something about thermal comfort. The thermal comfort variables were measured when the students were filling in the subjective questionnaires on thermal sensation and thermal comfort. A total of 167 sets of questionnaire responses were obtained. The indoor thermal environmental data for the two days are almost the same; however the thermal acceptability is different. The acceptability of the first study is 96.0%, which is higher than the acceptability of 91.5% according to the PPD. In contrast, the acceptability of the second study is 57.4%, which is very low compared with the acceptability of 95.0% according to the PPD. The students' thermal acceptability of the thermal environment before learning the theory of thermal comfort is higher than after learning about thermal comfort. These results confirm the existence of subjective effects on thermal comfort.

Wang, J.; Wang, Z.

2006-01-01T23:59:59.000Z

204

Radiant barriers in houses: Energy, comfort, and moisture considerations in a northern climate  

Science Conference Proceedings (OSTI)

The purpose of this study was to determine the conditions under which radiant barrier utilization in attics is appropriate technology in building construction for a northern climate in Utah. A sample of 12 appropriate houses with radiant barriers were selected using predetermined criteria. Another 12 houses without radiant barriers were selected as a control sample and paired with the first 12 houses using predetermined criteria. The research involved three different types of data and analyses. First, a questionnaire survey was completed by the occupants of the 12 sample houses, with radiant barriers. The survey included such factors as: (1) comfort, (2) energy, and (3) potential increased moisture content as perceived by the occupants. Second, a t-test was used to calculate the statistical comparison of utility usage between the 12 sample houses with radiant barriers and the 12 control houses without radiant barriers. Third, the moisture content of the wood framing above and below the radiant barriers was measured over a three month period during the winter months. Data analysis indicated: (1) occupants did perceive that more comfort resulted from the installation of radiant barriers, (2) occupants did not observe additional moisture artifacts after the installation of radiant barriers, (3) occupants did perceive cost savings from utility benefits resulting from the use of radiant barriers, especially in cooling the houses in summer, (4) there was no significant difference between utility usage of houses with radiant barriers and houses without radiant barriers, (5) the moisture content in the ceiling joists of all 24 houses, except one, had a moisture content measurement less than eight percent, and (6) houses with radiant barriers have higher humidity levels within the living space than houses without radiant barrier installation.

Mendenhall, R.L.

1990-01-01T23:59:59.000Z

205

The influence of the instruction of visual design principles on improving pre-service teachers' visual literacy  

Science Conference Proceedings (OSTI)

This study investigated whether the instruction of visual design principles had an influence on pre-service teachers' perception and analysis (interpretation) of visual materials. In addition, the relationships between pre-service teachers' visual intelligence ... Keywords: Educational technology course, Pre-service teachers, Visual design principles, Visual literacy, Visual literacy training

Hsin-Te Yeh; Yi-Chia Cheng

2010-01-01T23:59:59.000Z

206

Designing Effective Algorithm Visualizations  

E-Print Network (OSTI)

Advances in computing technology and the aordability of software and high-performance graphics hardware enabled rapid growth of visual tools. Today, not only very expensive workstations, but also low-cost PCs are capable of running computationally demanding visualization systems. Algorithm visualizations or the graphic depiction of algorithms in execution have been used in explaining, designing and analyzing algorithms since the early 1980s. Although many tools have been developed over the past twenty years, not enough attention has been paid to the analysis of users, their needs, tasks, and goals. This paper provides an overview of algorithm visualization techniques, based on the premise that a rethinking of algorithm animation design is required in order to harness its power for enhancing learning. More information about the topic can be found on the author's web page. 1

Sami Khuri

2001-01-01T23:59:59.000Z

207

NREL Provides Guidance to Improve Air Mixing and Thermal Comfort in Homes (Fact Sheet)  

DOE Green Energy (OSTI)

NREL research determines optimal HVAC system design for proper air mixing and thermal comfort in homes. As U.S. homes become more energy efficient, heating, ventilation, and cooling (HVAC) systems will be downsized, and the air flow volumes required to meet heating and cooling loads may be too small to maintain uniform room air mixing-which can affect thermal comfort. Researchers at the National Renewable Energy Laboratory (NREL) evaluated the performance of high sidewall air supply inlets and confirmed that these systems can achieve good air mixing and provide suitable comfort levels for occupants. Using computational fluid dynamics modeling, NREL scientists tested the performance of high sidewall supply air jets over a wide range of parameters including supply air temperature, air velocity, and inlet size. This technique uses the model output to determine how well the supply air mixes with the room air. Thermal comfort is evaluated by monitoring air temperature and velocity in more than 600,000 control volumes that make up the occupied zone of a single room. The room has an acceptable comfort level when more than 70% of the control volumes meet the comfort criteria on both air temperature and velocity. The study shows that high sidewall supply air jets achieve uniform mixing in a room, which is essential for providing acceptable comfort levels. The study also provides information required to optimize overall space conditioning system design in both heating and cooling modes.

Not Available

2012-02-01T23:59:59.000Z

208

A possible connection between thermal comfort and health  

Science Conference Proceedings (OSTI)

It is a well-established fact that cardiovascular health requires periodic exercise during which the human body often experiences significant physical discomfort. It is not obvious to the exerciser that the short-term pain and discomfort has a long-term positive health impact. Many cultures have well-established practices that involve exposing the body to periodic thermal discomfort. Scandinavian saunas and American Indian sweat lodges are two examples. Both are believed to promote health and well-being. Vacations often intentionally include significant thermal discomfort as part of the experience (e.g., sunbathing, and downhill skiing). So people often intentionally make themselves thermally uncomfortable yet the entire foundation of providing the thermal environment in our buildings is done to minimize the percentage of people thermally dissatisfied. We must provide an environment that does not negatively impact short-term health and we need to consider productivity but are our current thermal comfort standards too narrowly defined and do these standards actually contribute to longer-term negative health impacts? This paper examines the possibility that the human body thermoregulatory system has a corollary relationship to the cardiovascular system. It explores the possibility that we have an inherent need to exercise our thermoregulatory system. Potential, physiological, sociological and energy ramifications of these possibilities are discussed.

Stoops, John L.

2004-05-20T23:59:59.000Z

209

Optimum utilization of site energy sources for all-season thermal comfort in new residential construction for single-family attached (rowhouse/townhouse) designs  

DOE Green Energy (OSTI)

A proposed design analysis is presented of a passive solar energy efficient system for a typical three-level, three bedroom, two story, garage-under townhouse. The design incorporates the best, most performance-proven and cost effective products, materials, processes, technologies, and sub-systems which are available today. Seven distinct categories recognized for analysis are identified as: the exterior environment; the interior environment; conservation of energy; natural energy utilization; auxiliary energy utilization; control and distribution systems; and occupant adaptation. Preliminary design features, fenestration sysems, the plenum-supply system, the thermal-storage party-fire walls, direct gain storage, the radiant comfort system, and direct passive cooling systems are briefly described. Features of the design under analysis and on which conclusions have not yet been formulated are: the energy reclamation system, auxiliary energy back-up systems, the distribution system and operating modes, the control systems, and non-comfort energy systems and inputs. (MCW)

Not Available

1981-02-26T23:59:59.000Z

210

Visually Accurate Multi-Field Weather Visualization  

Science Conference Proceedings (OSTI)

Weather visualization is a difficult problem because it comprises volumetric multi-field data and traditional surface-based approaches obscure details of the complex three-dimensional structure of cloud dynamics. Therefore, visually accurate volumetric ... Keywords: Multi-Field Visualization, Visually Accurate Visualization, Weather Visualization

Kirk Riley; David Ebert; Charles Hansen; Jason Levit

2003-10-01T23:59:59.000Z

211

Building Energy Software Tools Directory: Visual  

NLE Websites -- All DOE Office Websites (Extended Search)

Visual Visual Visual logo. Comprehensive lighting analysis software engineered for demanding interior and exterior applications. Visual lighting design software integrates an advanced 3-D modeling environment with an intuitive interface�providing a unique and powerful extension of the design process. Professional presentation capabilities enable you to quickly develop, analyze, and modify advanced lighting designs. Visual performs direct and interreflected component calculations and provides the ability to quickly compose professional presentations. Screen Shots Keywords lighting, lighting design, roadway lighting, visual, lumen method Validation/Testing The algorithms used by Visual lighting design software to calculate illuminance levels in diffuse architectural models follow commonly accepted

212

How Do You Stay Cool and Comfortable in Hot Weather? | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Cool and Comfortable in Hot Weather? Cool and Comfortable in Hot Weather? How Do You Stay Cool and Comfortable in Hot Weather? May 28, 2009 - 5:25pm Addthis As you may have read on the blog over the past few weeks, the Stay Cool, Save Money site offers no-cost and low-cost tips for saving energy during the warm summer months, as well as ideas for long-term investments to help you save year round. Whether you rely on an air conditioner, strategically opened windows (and closed shades), fans, regular dips in the pool, or some other strategy entirely, tell us: How do you stay cool and comfortable in hot weather? Each Thursday, you have the chance to share your thoughts on a topic related to energy efficiency or renewable energy for consumers. Please comment with your answers, and also feel free to respond to other comments.

213

TEE-0065 - In the Matter of National Comfort Products | Department of  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

TEE-0065 - In the Matter of National Comfort Products TEE-0065 - In the Matter of National Comfort Products TEE-0065 - In the Matter of National Comfort Products This Decision and Order considers an Application for Exception filed by National Comfort Products (NCP). In its Application, NCP seeks exception relief from the provisions of 10 C.F.R. Part 430, Energy Conservation Program for Consumer Products: Central Air Conditioners and Heat Pumps. 1 In its Application, NCP asserts that the firm would suffer serious hardship, inequity, or unfair distribution of burdens if required to comply with the mandatory energy efficiency standard that applies to space constrained heat pumps manufactured after January 23, 2010. 2 10 C.F.R. § 430.32(c)(2). If NCP's Application for Exception was granted, the firm would receive exception relief from the energy efficiency standard for one

214

A Historical Look at the Invention of Air-conditioned Comfort...  

NLE Websites -- All DOE Office Websites (Extended Search)

- 12:00pm Location: Bldg. 90 Seminar HostPoint of Contact: Satkartar K. Kinney Comfort air conditioning is largely an American development which grew out of the need for the...

215

Improving the Fanger model's thermal comfort predictions for naturally ventilated spaces  

E-Print Network (OSTI)

The Fanger model is the official thermal comfort model in U.S. and international standards and is based on the heat balance of the human body with the environment. This investigation focuses on re-specifying the parameters ...

Truong, Phan Hue

2010-01-01T23:59:59.000Z

216

64 _____________________________________Math & Computational Sciences Division High Performance Computing and Visualization  

E-Print Network (OSTI)

64 _____________________________________Math & Computational Sciences Division High Performance Computing and Visualization Research and Development in Visual Analysis Judith Devaney Terrence Griffin John

Perkins, Richard A.

217

Commercial Building Energy Management Systems Handbook: Opportunities for Reducing Costs and Improving Comfort  

Science Conference Proceedings (OSTI)

This document is written for the commercial building owner, manager, or developer without a technical background but wanting to understand and evaluate recommendations for energy savings or comfort made by energy consultants and/or building engineers. It provides an overview of commercial building heating, ventilating, air-conditioning (HVAC), and lighting systems, and of the energy management systems (EMSs) that control comfort and provide energy savings. Opportunities for energy savings and/or increase...

1993-08-24T23:59:59.000Z

218

Progress of Visualization: Review  

Science Conference Proceedings (OSTI)

Visualization is an interdisciplinary imaging technique devoted to make the invisible visible by the techniques of experimental and computer-aided visualizations. It is applicable to various phenomena such as flow, heat, sound, electromagnetism, chemical ... Keywords: future of visualization, utilization of visualization, visualization, visualization history, visualization technique

Y. Nakayama; K. Aoki

2001-01-01T23:59:59.000Z

219

The impact of glazing selection on residential duct design and comfort  

SciTech Connect

The vast majority of residential HVAC contractors design and install duct systems using rules of thumb and design guidelines based on obsolete assumptions about house thermal characteristics. Perhaps the most widely accepted rule of thumb is that conditioned air should be delivered at the building perimeter to control the load and achieve acceptable comfort at the windows. The basis for this rule dates back to testing performed in uninsulated houses and laboratory facilities with single-glazed windows. Through computer modeling, field testing, and laboratory testing, initial guidelines have been developed to allow the builder or HVAC contractor to forsake perimeter duct distribution when certain levels of energy efficiency are met, which typically involves better performing windows than are typically selected. The concept of minimized duct design (MDD) affords the opportunity to mitigate many of the problems associated with ductwork, including energy waste, poor indoor air quality, and compromised combustion appliance safety, while encouraging the use of higher performance glazing. Analysis shows that in many cases the cost savings in the ductwork will offset the added cost of the window upgrade.

Hawthorne, W.A.; Reilly, S.

2000-07-01T23:59:59.000Z

220

Visualization of a Deterministic Radiation Transport Model Using Standard Visualization Tools  

SciTech Connect

Output from a deterministic radiation transport code running on a CRAY SV1 is imported into a standard distributed, parallel, visualization tool for analysis. Standard output files, consisting of tetrahedral meshes, are imported to the visualization tool through the creation of a application specific plug-in module. Visualization samples are included, providing visualization of steady state results. Different plot types and operators are utilized to enhance the analysis and assist in reporting the results of the analysis.

James A. Galbraith; L. Eric Greenwade

2004-05-01T23:59:59.000Z

Note: This page contains sample records for the topic "visual comfort analysis" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


221

Exploration of High-dimensional Scalar Function for Nuclear Reactor Safety Analysis and Visualization: A User's Guide to TopoXG*  

SciTech Connect

Large-scale simulation datasets can be modeled as high-dimensional scalar functions defined over a discrete sample of the domain. The goals of our proposed research are two-fold. First, we would like to provide structural analysis of a function at multiple scales and provide insight into the relationship between the input parameters and the output. Second, we enable exploratory analysis for users, where we help the users to differentiate features from noise through multi-scale analysis on an interactive platform, based on domain knowledge and data characterization. TopoXG is a software package that is designed to address these goals. The unique contribution of TopoXG lies in exploiting the topological and geometric properties of the domain, building statistical models based on its topological segmentations and providing interactive visual interfaces to facilitate such explorations. We provide a users guide to TopoXG, by highlighting its analysis and visualization capabilities, and giving several use cases involving datasets from nuclear reactor safety simulations.

Dan Maljovec; Bei Wang; Valerio Pascucci; Peer-Timo Bremer; Michael Pernice; Diego Mandelli

2012-10-01T23:59:59.000Z

222

Experimental Evaluation of a Downsized Residential Air Distribution System: Comfort and Ventilation Effectiveness  

SciTech Connect

Good air mixing not only improves thermal comfort Human thermal comfort is the state of mind that expresses satisfaction with the surrounding environment, according to ASHRAE Standard 55. Achieving thermal comfort for most occupants of buildings or other enclosures is a goal of HVAC design engineers. but also enhances ventilation effectiveness by inducing uniform supply-air diffusion. In general, the performance of an air distribution system in terms of comfort and ventilation effectiveness is influenced by the supply air temperature, velocity, and flow rate, all of which are in part dictated by the HVAC (Heating Ventilation Air Conditioning) In the home or small office with a handful of computers, HVAC is more for human comfort than the machines. In large datacenters, a humidity-free room with a steady, cool temperature is essential for the trouble-free system as well as the thermal load attributes. Any potential deficiencies associated with these design variables can be further exacerbated by an improper proximity of the supply and return outlets with respect to the thermal and geometrical characteristics of the indoor space. For high-performance houses, the factors influencing air distribution performance take on an even greater significance because of a reduced supply-air design flow rate resulting from downsized HVAC systems.

Jalalzadeh-Azar, A. A.

2007-01-01T23:59:59.000Z

223

WESBES: A Wireless Embedded Sensor for Improving Human Comfort Metrics using Temporospatially Correlated Data  

SciTech Connect

When utilized properly, energy management systems (EMS) can offer significant energy savings by optimizing the efficiency of heating, ventilation, and air-conditioning (HVAC) systems. However, difficulty often arises due to the constraints imposed by the need to maintain an acceptable level of comfort for a buildings occupants. This challenge is compounded by the fact that human comfort is difficult to define in a measurable way. One way to address this problem is to provide a building manager with direct feedback from the buildings users. Still, this data is relative in nature, making it difficult to determine the actions that need to be taken, and while some useful comfort correlations have been devised, such as ASHRAEs Predicted Mean Vote index, they are rules of thumb that do not connect individual feedback with direct, diverse feedback sensing. As they are a correlation, quantifying effects of climate, age of buildings and associated defects such as draftiness, are outside the realm of this correlation. Therefore, the contribution of this paper is the Wireless Embedded Smart Block for Environment Sensing (WESBES); an affordable wireless sensor platform that allows subjective human comfort data to be directly paired with temporospatially correlated objective sensor measurements for use in EMS. The described device offers a flexible research platform for analyzing the relationship between objective and subjective occupant feedback in order to formulate more meaningful measures of human comfort. It could also offer an affordable and expandable option for real world deployment in existing EMS.

Joel Hewlett; Milos Manic; Craig Rieger

2012-08-01T23:59:59.000Z

224

Flexible information design for business process visualizations  

Science Conference Proceedings (OSTI)

Profound understanding of business processes is a key success factor for Business Process Management (BPM). As more and more analytical information like runtime data from process execution or statistical data from business intelligence are available, ... Keywords: Data visualization,Business,Visualization,Monitoring,Concrete,Computational modeling,Service-oriented Architecture,Business Process Management,Process Visualization,Process Analysis

Alexander Nowak, Dimka Karastoyanova, Frank Leymann, Andrej Rapoport, David Schumm

2012-12-01T23:59:59.000Z

225

Influence Of Three Dynamic Predictive Clothing Insulation Models On Building Energy Use, HVAC Sizing And Thermal Comfort  

E-Print Network (OSTI)

Weather, Clothing and Thermal Adaptation to Indoor Climate,of Determining Acceptable Thermal Conditions, Building andan Adaptive Model of Thermal Comfort and Preference, Final

Schiavon, Stefano; Lee, Kwang Ho

2013-01-01T23:59:59.000Z

226

Optimal Indoor Air Temperature Considering Energy Savings and Thermal Comfort in the Shanghai Area  

E-Print Network (OSTI)

Indoor air temperature is the most important control parameter in air conditioning systems. It not only impacts the thermal comfort of occupants, but also also greatly affects the energy consumption in air conditioning systems. The lower the indoor air temperature is in summer or the higher the indoor temperature is in winter, the more energy the air conditioning system will consume. For the sake of energy conservation, the indoor air should be set as high as possible in summer and as low as possible in winter. Meanwhile, indoor thermal comfort should be considered. This paper will establish the optimal indoor air temperature for an air-conditioning system aiming at both energy savings and thermal comfort in the Shanghai area, based on the PMV equation and extensive field investigation.

Yao, Y.; Lian, Z.; Hou, Z.; Liu, W.

2006-01-01T23:59:59.000Z

227

Literature Review of Airflow Fluid Characteristics and their Impact on Human Thermal Comfort  

E-Print Network (OSTI)

Airflow dynamics significantly impact indoor thermal environment and human thermal comfort. Studies on the effects of airflow fluctuations on thermal comfort mainly focus on the effects of turbulence intensity and fluctuation frequency. The fluctuant characteristics of natural wind and mechanical wind are obviously different. However, the fluctuant characteristics of mechanical wind can shift to those of natural wind in some conditions. With the development of turbulence statistical theory, chaos and fractal theory, researchers began to use these theories to describe the structural characteristics of the fluctuating airflow in different environments or by different generating sources. The results of studies on airflow fluctuation and thermal environment are reviewed in this paper from two aspects: 1) the effect of the airflow fluctuations on thermal comfort, and 2) the physical structure of airflow fluctuations. This paper first reviews these achievements, and then summarizes studies conducted at Tsinghua University.

Zhao, R.; Zhang, Y.; Yu, N.; Di, H.

2006-01-01T23:59:59.000Z

228

Using Dashboards to Improve Energy and Comfort in Federal Buildings  

E-Print Network (OSTI)

Web based enterprise energy and building automation systems.from an Analysis of Building Energy Information SystemG. , & Price, P. 2009b. Building Energy Information Systems:

Marini, Kyle

2011-01-01T23:59:59.000Z

229

NREL Provides Guidance to Improve Thermal Comfort in High-Performance Homes (Fact Sheet)  

SciTech Connect

This technical highlight describes NREL research to develop recommendations on HVAC system design and operating conditions to achieve optimal thermal comfort in high-performance homes. Researchers at the National Renewable Energy Laboratory (NREL) have developed recommendations to help residential heating, cooling, and ventilation (HVAC) designers select optimal supply inlet size and system operating conditions to maintain good thermal comfort in low heating and cooling load homes. This can be achieved by using high sidewall supply air jets to create proper combinations of air temperature and air motion in the occupied zone of the conditioned space. The design of air distribution systems for low-load homes is an integral part of residential system research and development in systems integration. As American homes become more energy efficient, space conditioning systems will be downsized. The downsizing will reach the point where the air flow volumes required to meet the remaining heating and cooling loads may be too small to maintain uniform room air mixing, which can affect thermal comfort. NREL researchers performed a detailed study evaluating the performance of high sidewall supply air jets over a wide range of parameters including supply air temperature, supply air velocity, and supply inlet size. They found that in heating mode, low and intermediate supply temperatures of 95 F (308 K) and 105 F (314 K) maintained acceptable comfort levels at lower fan powers than can be achieved at 120 F (322 K) supply temperatures. For the high supply temperature of 120 F (322 K), higher fan powers (supply velocities) were required to overcome buoyancy effects and reach a good mixing in the room. In cooling mode, a supply temperature of 55 F (286 K) provided acceptable comfort levels. A small supply inlet of 8-in. (0.2 m) x 1-in. (0.025 m) is recommended in both heating and cooling modes. Computational fluid dynamics was used to model heat transfer and airflow in the room. The technique consists of using the model output to determine how well the supply air mixes with the room air. Thermal comfort is evaluated by determining the Air Diffusion Performance Index (ADPI). The level of comfort is evaluated by monitoring air temperature and air velocity in more than 600,000 control volumes that make up the occupied zone of a single room. The room has an acceptable comfort level when more than 70% of the control volumes meet the comfort criteria on both air temperature and air velocity. Figure 1 illustrates the plots of acceptable draft temperature, which is between -3 (-1.7) and 2 F (1.1 K) for two supply velocities of 394 fpm (2 m/s) (a) and 788 fpm (4 m/s) (b) when the room was supplied by 55 F (286 K) air. The plots show the distribution at selected cross-sections along the room. Colored regions on each cross-section are considered comfortable (blue regions are on the cold side and red regions are on the warm side). Regions of acceptable draft temperature are larger at low velocity and decrease as the velocity increases. As a result, the supply velocity of 394 fpm (2 m/s) provided higher comfort level than the supply velocity of 788 fpm (4 m/s). Work is in progress at NREL to extend this research to evaluate additional configurations and to integrate this system into a whole-house context.

Not Available

2012-01-01T23:59:59.000Z

230

Building Design and Operation for Improving Thermal Comfort in Naturally Ventilated Buildings in a Hot-Humid Climate  

E-Print Network (OSTI)

The goal of this research was to develop new techniques for designing and operating unconditioned buildings in a hot-humid climate that could contribute to an improvement of thermal performance and comfort condition. The recommendations proposed in this research will also be useful for facility managers on how to maintain unconditioned buildings in this climate. This study investigated two unconditioned Thai Buddhist temples located in the urban area of Bangkok, Thailand. One is a 100-year-old, high-mass temple. The other is a 5-year-old, lower-mass temple. The indoor measurements revealed that the thermal condition inside both temples exceed the ASHRAE-recommended comfort zone. Surprisingly, the older temple maintained a more comfortable indoor condition due to its thermal inertia, shading, and earth contacts. A baseline thermal and airflow model of the old temple was established using a calibrated computer simulation method. To accomplish this, HEATX, a 3-D Computational Fluid Dynamics (CFD) code, was coupled with the DOE-2 thermal simulation program. HEATX was used to calculate the airflow rate and the surface convection coefficients for DOE-2, and DOE-2 was used to provide physical input variables to form the boundary conditions for HEATX. In this way calibrated DOE-2/CFD simulation model was accomplished, and the baseline model was obtained. To investigate an improved design, four design options were studied: 1) a reflective or low-solar absorption roof, 2) R-30 ceiling insulation, 3) shading devices, and 4) attic ventilation. Each was operated using three modes of ventilation. The low-absorption roof and the R-30 ceiling insulation options were found to be the most effective options, whereas the shading devices and attic ventilation were less effective options, regardless of which ventilation mode was applied. All design options performed much better when nighttime-only ventilation was used. Based on this analysis, two prototype temples was proposed (i.e., low-mass and high-mass temples). From the simulation results of the two prototypes, design and operation guidelines are proposed, which consist of: 1) increased wall and ceiling insulation, 2) white-colored, low-absorption roof, 3) slab-on-ground floor, 4) shading devices, 5) nighttime-only ventilation, 6) attic ventilation, and 7) wider openings to increase the natural ventilation air flow windows, wing walls, and vertical fins.

Sreshthaputra, Atch

2007-11-29T23:59:59.000Z

231

High Performance Visualization using Query-Driven Visualizationand Analytics  

Science Conference Proceedings (OSTI)

Query-driven visualization and analytics is a unique approach for high-performance visualization that offers new capabilities for knowledge discovery and hypothesis testing. The new capabilities akin to finding needles in haystacks are the result of combining technologies from the fields of scientific visualization and scientific data management. This approach is crucial for rapid data analysis and visualization in the petascale regime. This article describes how query-driven visualization is applied to a hero-sized network traffic analysis problem.

Bethel, E. Wes; Campbell, Scott; Dart, Eli; Shalf, John; Stockinger, Kurt; Wu, Kesheng

2006-06-15T23:59:59.000Z

232

Contact model, fit process and, foot animation for the virtual simulator of the footwear comfort  

Science Conference Proceedings (OSTI)

This paper describes the new advances carried out for Simucal. Simucal was introduced in [13] and it is a footwear virtual simulator designed to perform studies of comfort and functionality in CAD footwear design. In this paper, a new finite element ... Keywords: Contact model, Foot animation, Shoe upper, Virtual simulation

M. J. Ruprez; C. Monserrat; S. Alemany; M. C. Juan; M. Alcaz

2010-05-01T23:59:59.000Z

233

Comfort, Indoor Air Quality, and Energy Consumption in Low Energy Homes  

SciTech Connect

This report documents the results of an in-depth evaluation of energy consumption and thermal comfort for two potential net zero-energy homes (NZEHs) in Massachusetts, as well as an indoor air quality (IAQ) evaluation performed in conjunction with Lawrence Berkeley National Laboratory (LBNL).

Engelmann, P.; Roth, K.; Tiefenbeck, V.

2013-01-01T23:59:59.000Z

234

Visualization Tools for Adaptive Mesh Refinement Data  

SciTech Connect

Adaptive Mesh Refinement (AMR) is a highly effective method for simulations that span a large range of spatiotemporal scales, such as astrophysical simulations that must accommodate ranges from interstellar to sub-planetary. Most mainstream visualization tools still lack support for AMR as a first class data type and AMR code teams use custom built applications for AMR visualization. The Department of Energy's (DOE's) Science Discovery through Advanced Computing (SciDAC) Visualization and Analytics Center for Enabling Technologies (VACET) is currently working on extending VisIt, which is an open source visualization tool that accommodates AMR as a first-class data type. These efforts will bridge the gap between general-purpose visualization applications and highly specialized AMR visual analysis applications. Here, we give an overview of the state of the art in AMR visualization research and tools and describe how VisIt currently handles AMR data.

Weber, Gunther H.; Beckner, Vincent E.; Childs, Hank; Ligocki,Terry J.; Miller, Mark C.; Van Straalen, Brian; Bethel, E. Wes

2007-05-09T23:59:59.000Z

235

Visualization of Scalar Adaptive Mesh Refinement Data  

SciTech Connect

Adaptive Mesh Refinement (AMR) is a highly effective computation method for simulations that span a large range of spatiotemporal scales, such as astrophysical simulations, which must accommodate ranges from interstellar to sub-planetary. Most mainstream visualization tools still lack support for AMR grids as a first class data type and AMR code teams use custom built applications for AMR visualization. The Department of Energy's (DOE's) Science Discovery through Advanced Computing (SciDAC) Visualization and Analytics Center for Enabling Technologies (VACET) is currently working on extending VisIt, which is an open source visualization tool that accommodates AMR as a first-class data type. These efforts will bridge the gap between general-purpose visualization applications and highly specialized AMR visual analysis applications. Here, we give an overview of the state of the art in AMR scalar data visualization research.

VACET; Weber, Gunther; Weber, Gunther H.; Beckner, Vince E.; Childs, Hank; Ligocki, Terry J.; Miller, Mark C.; Van Straalen, Brian; Bethel, E. Wes

2007-12-06T23:59:59.000Z

236

Thermal Comfort Study in a Naturally Ventilated Residential Building in a Tropical Hot-Humid Climate Region  

E-Print Network (OSTI)

This paper presents a thermal comfort study in a naturally ventilated residential building located in a tropical hot-humid climate region. The specific objective of this study is to investigate whether thermal comfort in this house can be achieved through a passive system only. The methods used in this study included conducting hourly monitoring of the temperature and relative humidity; measuring the air velocities; and assessing occupants' thermal sensations through questionnaires and interview. The data from the questionnaires were matched to the monitored data to assess the acceptable range of comfortable condition. Then using an hourly simulation program, some components of the building were also "modified" to investigate whether the building can be made "more comfortable". This study shows that it is possible to provide a thermally comfortable space in this region without using mechanical air-conditioning systems. The occupants' acceptable range of comfortable condition is different than that of people in the northern latitudes. The occupants sensed "neutrality" when the operative temperature in the house was about 27 degree Celsius (80F). The occupants could also tolerate slightly warm conditions, that is up to 29 degree Celsius (84OF), and still never wanted to install any air-conditioning systems. The simulation showed that using light wall materials would result in cooler indoor temperature at night but warmer during the day. If all windows were opened (25% the total floor area) the house could be more comfortable at night but less comfortable during the day. Findings of this study are important for architects and engineers in designing comfortable living spaces in these regions.

Soebarto, V. I.; Handjarinto, S.

1998-01-01T23:59:59.000Z

237

Integrated PEV Charging Solutions and Reduced Energy for Occupant Comfort (Brochure)  

DOE Green Energy (OSTI)

Brochure on Vehicle Testing and Integration Facility, featuring the Vehicle Modification Facility, Vehicle Test Pad and ReCharge Integrated Demonstration System. Plug-in electric vehicles (PEVs) offer the opportunity to shift transportation energy demands from petroleum to electricity, but broad adoption will require integration with other systems. While automotive experts work to reduce the cost of PEVs, fossil fueled cars and trucks continue to burn hundreds of billions of gallons of petroleum each year - not only to get from point A to point B, but also to keep passengers comfortable with air conditioning and heat. At the National Renewable Energy Laboratory (NREL), three installations form a research laboratory known as the Vehicle Testing and Integration Facility (VTIF). At the VTIF, engineers are developing strategies to address two separate but equally crucial areas of research: meeting the demands of electric vehicle-grid integration and minimizing fuel consumption related to vehicle climate control. Part of NREL's Center for Transportation Technologies and Systems (CTTS), the VTIF is dedicated to renewable and energy efficient solutions. This facility showcases technology and systems designed to increase the viability of sustainably powered vehicles. NREL researchers instrument every class of on-road vehicle, conduct hardware and software validation for electric vehicle (EV) components and accessories, and develop analysis tools and technology for the Department of Energy, other government agencies and industry partners. Research conducted at the VTIF examines the interaction of building energy systems, utility grids, renewable energy sources and PEVs, integrating energy management solutions, and maximizing potential greenhouse gas (GHG) reduction, while smoothing the transition and reducing costs for EV owners. NREL's collaboration with automakers, charging station manufacturers, utilities and fleet operators to assess technologies using VTIF resources is designed to enable PEV communication with the smart grid and create opportunities for vehicles to play an active role in building and grid management. Ultimately, this creates value for the vehicle owner and will help renewables be deployed faster and more economically, making the U.S. transportation sector more flexible and sustainable.

Not Available

2012-01-01T23:59:59.000Z

238

Data System Sciences & Engineering Group - Visual Analytics Data  

NLE Websites -- All DOE Office Websites (Extended Search)

Risk Analysis Chemical Security Assessment Tool (Fact Sheet) Delivering CSAT Business Intelligence Information Analysis and Visualization Facility Fallout Planning Tool LandScan...

239

Multi Agent System to Optimize Comfort and Energy Flows in the Built Environment  

E-Print Network (OSTI)

This paper discusses the control of building energy comfort management systems led by the economic movement within the energy market resulting in different prices. This new generation of building management systems focuses on the application of multi-agent systems for autonomous flexible operation of building services systems to obtain overall improvement energy efficiency and comfort. Multi-agent systems have proven to be successful in many applications to detach the timely interdependencies between systems and applications and come to a decentralize approach. In this study a multi-agent system (MAS) is developed to control and manage building services systems. A case study on an existing building system pointed out that energy consumption is reduced of a central air conditioning unit and local heating and cooling units with help of the proposed market driven multi-agent system, while maintaining comfort within the bands of user preferences. Furthermore it can be concluded that the system adapts to the dynamic changing situation and amount of momentary available resources.

Pennings, L. W.; Houten, M. A.; Boxem, G.; Zeiler, W.

2010-01-01T23:59:59.000Z

240

Automating Natural Disaster Impact Analysis: An Open Resource to Visually Estimate a Hurricane s Impact on the Electric Grid  

SciTech Connect

An ORNL team working on the Energy Awareness and Resiliency Standardized Services (EARSS) project developed a fully automated procedure to take wind speed and location estimates provided by hurricane forecasters and provide a geospatial estimate on the impact to the electric grid in terms of outage areas and projected duration of outages. Hurricane Sandy was one of the worst US storms ever, with reported injuries and deaths, millions of people without power for several days, and billions of dollars in economic impact. Hurricane advisories were released for Sandy from October 22 through 31, 2012. The fact that the geoprocessing was automated was significant there were 64 advisories for Sandy. Manual analysis typically takes about one hour for each advisory. During a storm event, advisories are released every two to three hours around the clock, and an analyst capable of performing the manual analysis has other tasks they would like to focus on. Initial predictions of a big impact and landfall usually occur three days in advance, so time is of the essence to prepare for utility repair. Automated processing developed at ORNL allowed this analysis to be completed and made publicly available within minutes of each new advisory being released.

Barker, Alan M [ORNL; Freer, Eva B [ORNL; Omitaomu, Olufemi A [ORNL; Fernandez, Steven J [ORNL; Chinthavali, Supriya [ORNL; Kodysh, Jeffrey B [ORNL

2013-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "visual comfort analysis" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


241

A New Mobile Network Simulation And Analysis System And The Use Of Network Visualizations Through An End-User Graphics Package.  

E-Print Network (OSTI)

??Network simulations often output a log file, which must be parsed to understand the details of the simulation. Visualizations of these simulations are used to (more)

Anantachai, Arnond

2010-01-01T23:59:59.000Z

242

Influence Of Three Dynamic Predictive Clothing Insulation Models On Building Energy Use, HVAC Sizing And Thermal Comfort  

E-Print Network (OSTI)

ON BUILDING ENERGY USE, HVAC SIZING AND THERMAL COMFORT aThe results showed that when the HVAC is controlled based onequipment sizing. When the HVAC is controlled based on the

Schiavon, Stefano; Lee, Kwang Ho

2013-01-01T23:59:59.000Z

243

Simulations of sizing and comfort improvements for residential forced-air heating and cooling systems  

SciTech Connect

In many parts of North America residential HVAC systems are installed outside conditioned space. This leads to significant energy losses and poor occupant comfort due to conduction and air leakage losses from the air distribution ducts. In addition, cooling equipment performance is sensitive to air flow and refrigerant charge that have been found to be far from manufacturers specifications in most systems. The simulation techniques discussed in this report were developed in an effort to provide guidance on the savings potentials and comfort gains that can be achieved by improving ducts (sealing air leaks) and equipment (correct air-flow and refrigerant charge). The simulations include the complex air flow and thermal interactions between duct systems, their surroundings and the conditioned space. They also include cooling equipment response to air flow and refrigerant charge effects. Another key aspect of the simulations is that they are dynamic to account for cyclic losses from the HVAC system and the effect of cycle length on energy and comfort performance. To field test the effect of changes to residential HVAC systems requires extensive measurements to be made for several months for each condition tested. This level of testing is often impractical due to cost and time limitations. Therefore the Energy Performance of Buildings Group at LBNL developed a computer simulation tool that models residential HVAC system performance. This simulation tool has been used to answer questions about equipment downsizing, duct improvements, control strategies and climate variation so that recommendations can be made for changes in residential construction and HVAC installation techniques that would save energy, reduce peak demand and result in more comfortable homes. Although this study focuses on California climates, the simulation tool could easily be applied to other climates. This report summarizes the simulation tool and discusses the significant developments that allow the use of this tool to perform detailed residential HVAC system simulations. The simulations have been verified by comparison to measured results in several houses over a wide range of weather conditions and HVAC system performance. After the verification was completed, more than 350 cooling and 450 heating simulations were performed. These simulations covered a range of HVAC system performance parameters and California climate conditions (that range from hot dry deserts to cold mountain regions). The results of the simulations were used to show the large increases in HVAC system performance that can be attained by improving the HVAC duct distribution systems and by better sizing of residential HVAC equipment. The simulations demonstrated that improved systems can deliver improved heating or cooling to the conditioned space, maintain equal or better comfort while reducing peak demand and the installed equipment capacity (and therefore capital costs).

Walker, I.S.; Degenetais, G.; Siegel, J.A.

2002-05-01T23:59:59.000Z

244

Proceedings of the 8th International Workshop on Ultrascale Visualization  

Science Conference Proceedings (OSTI)

The output from leading-edge scientific simulations is so voluminous and complex that advanced visualization and analysis techniques are necessary to examine and interpret the computed results. Even though visualization technology has progressed significantly ...

Kwan-Liu Ma, Venkatram Vishwanath, Hongfeng Yu

2013-11-01T23:59:59.000Z

245

Guest Editors' Introduction: Ultrascale Visualization  

Science Conference Proceedings (OSTI)

This special issue highlights five articles covering several topics in ultrascale data visualization, including extreme-scale production software, ghost-data generation, biomedical-image segmentation and remote viewing, in situ visualization, and display-rich ... Keywords: computer graphics, graphics and multimedia, ultrascale visualization, visualization, data-parallel visualization, in situ visualization, collaborative visualization

James Ahrens; Han-Wei Shen

2010-05-01T23:59:59.000Z

246

Visualizing geospatial data  

Science Conference Proceedings (OSTI)

This course reviews concepts and highlights new directions in GeoVisualization. We review four levels of integrating geospatial data and geographic information systems (GIS) with scientific and information visualization (VIS) methods. These include: ...

Theresa Marie Rhyne; Alan MacEachren; Theresa-Marie Rhyne

2004-08-01T23:59:59.000Z

247

Publications on Information Visualization  

Science Conference Proceedings (OSTI)

... Cugini, Laskowski, Piatko, "Document Clustering in Concept Space: The NIST Information Retrieval Visualization Engine (NIRVE)", CODATA Euro ...

248

Visualization of Network Dynamics  

Science Conference Proceedings (OSTI)

... DiVisa Multi-Dimensional Information Visualization Software. Staff: Cedric Houard; John Hagedorn; Kevin Mills; Judith Terrill, Group Leader.

2010-12-21T23:59:59.000Z

249

A numerical approach to evaluating what percentage of a living space is well-ventilated, for the assessment of thermal comfort  

E-Print Network (OSTI)

A bioclimatic approach to designing comfortable buildings in hot and humid tropical regions requires, firstly, some preliminary, important work on the building envelope to limit the energy contributions, and secondly, an airflow optimization of the building. For the first step, tools such as nodal or zonal models have been largely implemented. For the second step, the assessment of air velocities, in three dimensions and in a large space, can only be performed through the use of detailed models such as with CFD. This paper deals with the improvement of thermal comfort by ventilating around the occupants. For this purpose, the average velocity coefficient definition is modified to be adapted to CFD and the areas involving movement or the living spaces. We propose a new approach based on the derivation of a new quantity: the well-ventilated percentage of a living space. The well-ventilated percentage of a space allows a time analysis of the aeraulic behaviour of the building in its environment. These percentages can be over a period such as one day, a season or a year. These kinds of results are helpful for an architect to configure the rooms of a house according to their uses, the environment, the architectural choices and the constraints related to the design of bioclimatic buildings.

Alain Bastide; Alfred Jean Philippe Lauret; Franois Garde; Harry Boyer

2012-12-18T23:59:59.000Z

250

Visualization and Analytics Software at NERSC  

NLE Websites -- All DOE Office Websites (Extended Search)

Analytics Analytics Visualization and Analytics AVS/Express AVS/Express includes functionality for data visualization and analysis, image processing and data display. It uses a graphical application development environment. Read More » VisIt - 3D Scientific Visualization VisIt is a point-and-click 3D scientific visualization application that supports most common visualization techniques (e.g., isocontouring and volume rendering) on structured and unstructured grids. Due to its distributed and parallel architecture, VisIt is able to handle very large datasets interactively. In addition, VisIt is extensible, allowing users to add data loaders or additional analysis tools to VisIt. The NERSC Analytics Group has developed extensions to VisIt to support NERSC user applications,

251

Exploration of Climate Data Using Interactive Visualization  

Science Conference Proceedings (OSTI)

In atmospheric and climate research, the increasing amount of data available from climate models and observations provides new challenges for data analysis. The authors present interactive visual exploration as an innovative approach to handle ...

Florian Ladstdter; Andrea K. Steiner; Bettina C. Lackner; Barbara Pirscher; Gottfried Kirchengast; Johannes Kehrer; Helwig Hauser; Philipp Muigg; Helmut Doleisch

2010-04-01T23:59:59.000Z

252

The impact of thermostat performance on energy consumption and occupant comfort in residential electric heating systems  

SciTech Connect

A digital computer simulation was used to compare the energy consumption and comfort of an electric baseboard heating system using high performance thermostats (low droop, fast cycling) to that of the same system using poorer performing thermostats (high droop, slow cycling, such as many line voltage types). Since a thermostat which allows the controlled temperature to fall below the setpoint will obviously cause less energy consumption than a thermostat which maintains the controlled temperature closer to the setpoint, the key hypothesis of this study was that the user will reset the thermostat setpoint in some fashion during the heating season to obtain acceptable conditions for all heating loads. The major assumption of this study, therefore, was the mode of this ''user-thermostat interaction''. For every case in which the simulated ''user'' could intervene, the energy consumption using high performance thermostats was found to be less, while a greater degree of comfort was maintained, than systems using poorer performing thermostats. Energy savings ranged from 2% to 18% depending upon the mode of user interaction simulated. Where energy savings were small, the ''user'' was resetting the poorly performing thermostat as often as twice a day; i.e., the ''user'' was performing the function of a better performing thermostat.

Benton, R.

1982-01-01T23:59:59.000Z

253

Visualization of the Invisible, Explanation of the Unknown, Ruggedization of the Unstable: Sensitivity Analysis, Virtual Tryout and Robust Design through Systematic Stochastic Simulation  

SciTech Connect

In the past decade, sheet metal forming simulation became a well established tool to predict the formability of parts. In the automotive industry, this has enabled significant reduction in the cost and time for vehicle design and development, and has helped to improve the quality and performance of vehicle parts. However, production stoppages for troubleshooting and unplanned die maintenance, as well as production quality fluctuations continue to plague manufacturing cost and time. The focus therefore has shifted in recent times beyond mere feasibility to robustness of the product and process being engineered. Ensuring robustness is the next big challenge for the virtual tryout / simulation technology.We introduce new methods, based on systematic stochastic simulations, to visualize the behavior of the part during the whole forming process -- in simulation as well as in production. Sensitivity analysis explains the response of the part to changes in influencing parameters. Virtual tryout allows quick exploration of changed designs and conditions. Robust design and manufacturing guarantees quality and process capability for the production process. While conventional simulations helped to reduce development time and cost by ensuring feasible processes, robustness engineering tools have the potential for far greater cost and time savings.Through examples we illustrate how expected and unexpected behavior of deep drawing parts may be tracked down, identified and assigned to the influential parameters. With this knowledge, defects can be eliminated or springback can be compensated e.g.; the response of the part to uncontrollable noise can be predicted and minimized. The newly introduced methods enable more reliable and predictable stamping processes in general.

Zwickl, Titus; Carleer, Bart; Kubli, Waldemar [AutoForm Engineering GmbH, Technoparkstrasse 1, CH-8005 Zurich (Switzerland)

2005-08-05T23:59:59.000Z

254

Homeowner's Guide to Window Air Conditioner Installation for Efficiency and Comfort (Fact Sheet), Building America Case Study: Technology Solutions for Existing Homes, Building Technologies Office (BTO)  

SciTech Connect

This fact sheet offers a step-by-step guide to proper installation of window air conditioning units, in order to improve efficiency and comfort for homeowners.

Not Available

2013-06-01T23:59:59.000Z

255

Mapping comfort : an analysis method for understanding diversity in the thermal environment  

E-Print Network (OSTI)

Our thermal experience is never neutral. Whether standing near a cold window in the winter, or in the shade on a sunny day, we constantly experience a rich set of thermal stimuli. Yet, many of the tools used in professional ...

Webb, Amanda Laurel

2012-01-01T23:59:59.000Z

256

Jumpshot: Performance Visualization Tool | Argonne National Laboratory  

NLE Websites -- All DOE Office Websites (Extended Search)

Jumpshot: Performance Visualization Tool Jumpshot: Performance Visualization Tool Jumpshot: Performance Visualization Tool Jumpshot is a Java-based visualization tool for performing postmortem performance analysis. Using Java instead of Tcl/Tk (used in some older visualization tools) improves the portability, maintainability and functionalities of the tools. Jumpshot-4 is the latest viewer and is a total redesign of the graphical tool for SLOG-2. The new scalable logfile format allows the viewer to provide functionalities never made possible before. Level-of-detail support through preview drawables provides high-level abstraction of the details without reading in huge amount of data into the graphical display engine. The new Jumpshot allows seamless scrolling from the begining to the end of the logfile at any zoom-level. In addition, new functionlities like

257

Improving Comfort in Hot-Humid Climates with a Whole-House Dehumidifier, Windermere, Florida (Fact Sheet)  

SciTech Connect

Maintaining comfort in a home can be challenging in hot-humid climates. At the common summer temperature set point of 75 degrees F, the perceived air temperature can vary by 11 degrees F because higher indoor humidity reduces comfort. Often the air conditioner (AC) thermostat set point is lower than the desirable cooling level to try to increase moisture removal so that the interior air is not humid or "muggy." However, this method is not always effective in maintaining indoor relative humidity (RH) or comfort. In order to quantify the performance of a combined whole-house dehumidifier (WHD) AC system, researchers from the U.S. Department of Energy's Building America team Consortium of Advanced Residential Buildings (CARB) monitored the operation of two Lennox AC systems coupled with a Honeywell DH150 TrueDRY whole-house dehumidifier for a six-month period. By using a WHD to control moisture levels (latent cooling) and optimizing a central AC to control temperature (sensible cooling), improvements in comfort can be achieved while reducing utility costs. Indoor comfort for this study was defined as maintaining indoor conditions at below 60% RH and a humidity ratio of 0.012 lbm/lbm while at common dry bulb set point temperatures of 74 degrees -80 degrees F. In addition to enhanced comfort, controlling moisture to these levels can reduce the risk of other potential issues such as mold growth, pests, and building component degradation. Because a standard AC must also reduce dry bulb air temperature in order to remove moisture, a WHD is typically needed to support these latent loads when sensible heat removal is not desired.

Not Available

2013-11-01T23:59:59.000Z

258

Operational dose rate visualization techniques  

SciTech Connect

The analysis of the gamma ray dose rate in the vicinity of a radiation source can be greatly aided by the use of recent state-of-the-art visualization techniques. The method involves calculating dose rates at thousands of locations within a complex geometry system. This information is then processed to create contour plots of the dose rate. Additionally, when these contour plots are created, animations can be created that dynamically display the dose rate as the shields or sources are moved.

Schwarz, R.A.; Morford, R.J.; Carter, L.L.; Jones, G.B.; Greenborg, J.

1994-01-01T23:59:59.000Z

259

Black Philanthropy in the Visual Arts: A Contemporary Perspective.  

E-Print Network (OSTI)

??This paper is intended as a contribution to a contemporary analysis of Black Philanthropy in the visual arts. Its purpose is to answer the central (more)

Word, Tanekeya S.

2011-01-01T23:59:59.000Z

260

Building Energy Software Tools Directory: Visualize-IT Energy Information  

NLE Websites -- All DOE Office Websites (Extended Search)

Visualize-IT Energy Information and Analysis Tool Visualize-IT Energy Information and Analysis Tool Visualize-IT Energy Information and Analysis Tool logo. Designed to explore, summarize and analyze time series interval data. Visualize-IT has been developed specifically for electric and gas load data, but it is equally useful as a general purpose data visualization tool for other time series measurements such as weather, industrial process control, and water quality. Screen Shots Keywords energy analysis, rate comparison, load profiles, interval data Validation/Testing N/A Expertise Required Basic knowledge of energy data analysis and concepts. Users Over 100 users internationally. Audience Load Researchers, Building Simulation Engineers, Facilities Managers, Energy Account Managers. Input Any type of interval (primarily load) data. Visualize-IT can analyze other

Note: This page contains sample records for the topic "visual comfort analysis" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


261

The Potential for Wind Induced Ventilation to Meet Occupant Comfort Conditions  

E-Print Network (OSTI)

This paper describes a simple graphic tool that enables a building designer to evaluate the potential for wind induced ventilation cooling in several climate zones. Long term weather data were analyzed to determine the conditions for which available wind speed can be used to meet occupant comfort conditions. By calculating the change in enthalpy produced by a typical residential air conditioner during those hours when an occupant is uncomfortable, we were able to estimate the impact of natural ventilation on building cooling load. The graphic presentation of the results allows a designer to determine the potential energy savings of increasing the ventilation air flow rate as well as the orientation of building openings that will maximize ventilation cooling of the building occupants.

Byrne, S. J.; Huang, Y. J.; Ritschard, R. L.; Foley, D. M.

1985-01-01T23:59:59.000Z

262

Effects of battery technologies, driving patterns, and climate comfort control on the performance of electric vehicles  

SciTech Connect

A computer software package, EAGLES, has been developed at Argonne National Laboratory to analyze electric vehicle (EV) performance. In this paper, we present EAGLES predictions of EV driving range, acceleration rate, and energy consumption under various driving patterns, with different battery technologies, and with assumptions concerning use of air conditioners and/or heaters for climate comfort control. The specifications of a baseline, four-passenger EV for given design performance requirements are established, assuming urban driving conditions represented by the Los Angeles 92 (LA-92) driving cycle and using battery characteristics similar to those of the United States Advanced Battery Consortium (USABC) midterm battery performance goals. To examine the impacts of driving patterns, energy consumption is simulated under three different driving cycles: the New York City Cycle, the Los Angeles 92 Cycle, and the ECE-15 Cycle. To test the impacts of battery technologies, performance attributes of an advanced lead-acid battery, the USABC midterm battery goals, and the USABC long-term battery goals are used. Finally, EV energy consumption from use of air conditioners and/or heaters under different climates is estimated and the associated driving range penalty for one European city (Paris) and two United States cities (Chicago and Los Angeles) is predicted. The results of this paper show the importance of considering various effects, such as battery technology, driving pattern, and climate comfort control, in the determination of EV performances. Electric vehicle energy consumption decreases more than 20% when a battery with characteristics similar to the USABC long-term goals is used instead of an advanced lead-acid battery.

Marr, W.W.; Wang, M.Q.; Santini, D.J.

1994-05-15T23:59:59.000Z

263

Validation Test Report For The CRWMS Analysis and Logistics Visually Interactive Model Calvin Version 3.0, 10074-Vtr-3.0-00  

SciTech Connect

This report describes the tests performed to validate the CRWMS ''Analysis and Logistics Visually Interactive'' Model (CALVIN) Version 3.0 (V3.0) computer code (STN: 10074-3.0-00). To validate the code, a series of test cases was developed in the CALVIN V3.0 Validation Test Plan (CRWMS M&O 1999a) that exercises the principal calculation models and options of CALVIN V3.0. Twenty-five test cases were developed: 18 logistics test cases and 7 cost test cases. These cases test the features of CALVIN in a sequential manner, so that the validation of each test case is used to demonstrate the accuracy of the input to subsequent calculations. Where necessary, the test cases utilize reduced-size data tables to make the hand calculations used to verify the results more tractable, while still adequately testing the code's capabilities. Acceptance criteria, were established for the logistics and cost test cases in the Validation Test Plan (CRWMS M&O 1999a). The Logistics test cases were developed to test the following CALVIN calculation models: Spent nuclear fuel (SNF) and reactivity calculations; Options for altering reactor life; Adjustment of commercial SNF (CSNF) acceptance rates for fiscal year calculations and mid-year acceptance start; Fuel selection, transportation cask loading, and shipping to the Monitored Geologic Repository (MGR); Transportation cask shipping to and storage at an Interim Storage Facility (ISF); Reactor pool allocation options; and Disposal options at the MGR. Two types of cost test cases were developed: cases to validate the detailed transportation costs, and cases to validate the costs associated with the Civilian Radioactive Waste Management System (CRWMS) Management and Operating Contractor (M&O) and Regional Servicing Contractors (RSCs). For each test case, values calculated using Microsoft Excel 97 worksheets were compared to CALVIN V3.0 scenarios with the same input data and assumptions. All of the test case results compare with the CALVIN V3.0 results within the bounds of the acceptance criteria. Therefore, it is concluded that the CALVIN V3.0 calculation models and options tested in this report are validated.

S. Gillespie

2000-07-27T23:59:59.000Z

264

Visualization Clusters | Argonne Leadership Computing Facility  

NLE Websites -- All DOE Office Websites (Extended Search)

Eureka Eureka Analytics and Visualization Visualization Clusters Tukey Tukey is the ALCF's newest analysis and visualization cluster. Equipped with state-of-the-art graphics processing units (GPUs), Tukey converts computational data from Mira into high-resolution visual representations. The resulting images, videos, and animations help users to better analyze and understand the data generated by Mira. Tukey can also be used for statistical analysis, helping to pinpoint trends in the simulation data. Additionally, the system is capable of preprocessing efforts, such as meshing, to assist users preparing for Mira simulations. Tukey shares the Mira network and parallel file system, enabling direct access to Mira-generated results. Configuration Two 2 GHz 8-core AMD Opteron CPUs per node

265

Visualizing the stock market  

Science Conference Proceedings (OSTI)

We describe a new 2-dimensional visualization algorithm capable of presenting detailed information on hundreds of items while emphasizing overall patterns in the data. This display method, which builds on Shneiderman's treemap technique, makes use of ... Keywords: interactive graphics, investing, treemap, visualization

Martin Wattenberg

1999-05-01T23:59:59.000Z

266

JPALS Visualization Tool  

Science Conference Proceedings (OSTI)

This paper describes a visualization system for the Joint Precision Aircraft Landing System (JPALS) that integrates remote sensor data with well-known databases of terrain imagery, elevation, and surveyed aviation locations. This visualization system ... Keywords: JPALS, LAAS, GPS, Virtual World, Distributed, Real time

Scott Nykl; Chad Mourning; Erik Nykl; David Chelberg; Trent Skidmore

2012-10-01T23:59:59.000Z

267

Visual-servoing optical microscopy  

DOE Patents (OSTI)

The present invention provides methods and devices for the knowledge-based discovery and optimization of differences between cell types. In particular, the present invention provides visual servoing optical microscopy, as well as analysis methods. The present invention provides means for the close monitoring of hundreds of individual, living cells over time; quantification of dynamic physiological responses in multiple channels; real-time digital image segmentation and analysis; intelligent, repetitive computer-applied cell stress and cell stimulation; and the ability to return to the same field of cells for long-term studies and observation. The present invention further provides means to optimize culture conditions for specific subpopulations of cells.

Callahan, Daniel E. (Martinez, CA); Parvin, Bahram (Mill Valley, CA)

2011-05-24T23:59:59.000Z

268

Visual-servoing optical microscopy  

DOE Patents (OSTI)

The present invention provides methods and devices for the knowledge-based discovery and optimization of differences between cell types. In particular, the present invention provides visual servoing optical microscopy, as well as analysis methods. The present invention provides means for the close monitoring of hundreds of individual, living cells over time: quantification of dynamic physiological responses in multiple channels; real-time digital image segmentation and analysis; intelligent, repetitive computer-applied cell stress and cell stimulation; and the ability to return to the same field of cells for long-term studies and observation. The present invention further provides means to optimize culture conditions for specific subpopulations of cells.

Callahan, Daniel E. (Martinez, CA); Parvin, Bahram (Hercules, CA)

2009-06-09T23:59:59.000Z

269

CFD simulation for pedestrian wind comfort and wind safety in urban areas: General decision framework and case study for the Eindhoven University campus  

Science Conference Proceedings (OSTI)

Wind comfort and wind safety for pedestrians are important requirements in urban areas. Many city authorities request studies of pedestrian wind comfort and wind safety for new buildings and new urban areas. These studies involve combining statistical ... Keywords: Building aerodynamics, Built environment, Computational fluid dynamics (CFD), Discomfort and danger, Experimental validation, Guidelines, Wind flow

B. Blocken; W. D. Janssen; T. van Hooff

2012-04-01T23:59:59.000Z

270

Visual Field Map Clusters in Macaque Extrastriate Visual Cortex  

E-Print Network (OSTI)

The macaque visual cortex contains >30 different functional visual areas, yet surprisingly little is known about the underlying organizational principles that structure its components into a complete "visual" unit. A recent ...

Kolster, Hauke

271

An interpersonal multimedia visualization system  

SciTech Connect

Media View is a computer program that provides a generic infrastructure for authoring and interacting with multimedia documents. Among its many applications is the ability to furnish a user with a comprehensive environment for analysis and visualization. With MediaView the user produces a document'' that contains mathematics, datasets and associated visualizations. From the dataset or embedded mathematics animated sequences can be produced in situ. The mathematical content of the document'' can be explored through manipulation with Mathematica {trademark}. Since the document'' is all digital, it can be shared with a co-worker on a local network or mailed electronically to a colleague at a distant site. Animations and any other substructure of the document'' persist through the mailing process and can be awakened at the destination by the recipient. 5 refs., 4 figs.

Phillips, R.L.

1990-01-01T23:59:59.000Z

272

Visual Breakout | Department of Energy  

NLE Websites -- All DOE Office Websites (Extended Search)

Visual Breakout Visual Breakout Visual Breakout of the Cummulative Barrels of Oil Recovered by the Discoverer Enterprise, Q4000 and HP1. Updated through 12:00 AM on July 16, 2010....

273

Bioinformatic Insights from Metagenomics through Visualization  

Science Conference Proceedings (OSTI)

Cutting-edge biological and bioinformatics research seeks a systems perspective through the analysis of multiple types of high-throughput and other experimental data for the same sample. Systems-level analysis requires the integration and fusion of such ... Keywords: bioinformatics, visualization, metagenomics, categorical, nominal

Susan L. Havre; Bobbie-Jo Webb-Robertson; Anuj Shah; Christian Posse; Banu Gopalan; Fred J. Brockman

2005-08-01T23:59:59.000Z

274

Visual exploration of academic career paths  

Science Conference Proceedings (OSTI)

Online bibliographic databases have become widely available and are important resources to scientific researchers. These databases store rich information and many evolve into digital libraries. Using a bibliographic database of a specific discipline, ... Keywords: bibliographic database, citation network, coauthor network, dispute network, information visualization, social network analysis, trend discovery and analysis

Meng Qi Yelena Wu, Robert Faris, Kwan-Liu Ma

2013-08-01T23:59:59.000Z

275

Building Data Visualization  

NLE Websites -- All DOE Office Websites (Extended Search)

1 1 Building Data Visualization contour plot Figure 1: Contour plot showing the various operating stages of occupancy sensors described in the case study. Data visualization for buildings is the display of a rich set of variables and parameters that managers can use to verify the energy savings of energy- efficient technology and identify malfunctions in building equipment or problems with operating strategies. Effective data visualization depends on having graphic presentation formats that reveal the phenomena relevant to the building's performance. A research project at the Center for Building Science is aimed at developing data visualization techniques for improved building management. Buildings with energy management control systems as well as dedicated monitoring equipment in the

276

Electronic Materials: Visualizations  

Science Conference Proceedings (OSTI)

VISUALS: Animation of the effect of temperature on conductivity of an n-type ... Animations of the production of a silicon wafer, 0, 897, Cathy Rohrer, 2/12/2007...

277

Visualization Design Environment  

SciTech Connect

Improvements in the performance and capabilities of computer software and hardware system, combined with advances in Internet technologies, have spurred innovative developments in the area of modeling, simulation and visualization. These developments combine to make it possible to create an environment where engineers can design, prototype, analyze, and visualize components in virtual space, saving the time and expenses incurred during numerous design and prototyping iterations. The Visualization Design Centers located at Sandia National Laboratories are facilities built specifically to promote the ''design by team'' concept. This report focuses on designing, developing and deploying this environment by detailing the design of the facility, software infrastructure and hardware systems that comprise this new visualization design environment and describes case studies that document successful application of this environment.

Pomplun, A.R.; Templet, G.J.; Jortner, J.N.; Friesen, J.A.; Schwegel, J.; Hughes, K.R.

1999-02-01T23:59:59.000Z

278

Ontology-enriched Visualization of Human Anatomy  

SciTech Connect

The project focuses on the problem of presenting a human anatomical 3D model associated with other types of human systemic information ranging from physiological to anatomical information while navigating the 3D model. We propose a solution that integrates a visual 3D interface and navigation features with the display of structured information contained in an ontology of anatomy where the structures of the human body are formally and semantically linked. The displayed and annotated anatomy serves as a visual entry point into a patient's anatomy, medical indicators and other information. The ontology of medical information provides labeling to the highlighted anatomical parts in the 3D display. Because of the logical organization and links between anatomical objects found in the ontology and associated 3D model, the analysis of a structure by a physician is greatly enhanced. Navigation within the 3D visualization and between this visualization and objects representing anatomical concepts within the model is also featured.

Pouchard, LC

2005-12-20T23:59:59.000Z

279

NV: Nessus Vulnerability Visualization for the Web  

SciTech Connect

Network vulnerability is a critical component of network se- curity. Yet vulnerability analysis has received relatively lit- tle attention from the security visualization community. In this paper we describe nv, a web-based Nessus vulnerability visualization. Nv utilizes treemaps and linked histograms to allow system administrators to discover, analyze, and man- age vulnerabilities on their networks. In addition to visual- izing single Nessus scans, nv supports the analysis of sequen- tial scans by showing which vulnerabilities have been fixed, remain open, or are newly discovered. Nv was also designed to operate completely in-browser, to avoid sending sensitive data to outside servers. We discuss the design of nv, as well as provide case studies demonstrating vulnerability analysis workflows which include a multiple-node testbed and data from the 2011 VAST Challenge.

Harrison, Lane [University of North Carolina, Charlotte; Spahn, Riley B [ORNL; Iannacone, Michael D [ORNL; Downing, Evan P [ORNL; Goodall, John R [ORNL

2012-01-01T23:59:59.000Z

280

Thermal Comfort under Transient Metabolic and Dynamic Localized Airflow Conditions Combined with Neutral and Warm Ambient Temperatures  

E-Print Network (OSTI)

Human thermal environments constitute complex combinations of various interacting thermal factors. The transient and non-uniform nature of those thermal factors further increases the complexity of the thermal comfort problem. The conventional approach to the thermal comfort problem has been simplifying the problem and providing steady thermal environments which would satisfy the majority of the people in a given space. However, several problems emerged with this approach. People became finely tuned to the narrow range of conditions and developed expectations for the same conditions which made them uncomfortable when there were slight deviations from those conditions. Also, the steady approach didn't solve the comfort problem because, in practice, people move between spaces, and thermal conditions such as metabolic rate, surface temperatures, airflow speed and direction vary in a typical day. A human subject test was designed to determine the transient relationship between the people and their environments. In the first part, thermal perceptions of people were taken during various metabolic rate conditions. In the second and the third parts, transient conditions of different thermal factors were created. Various combinations of airflow frequencies, airflow location around the body, metabolic rate, and room temperatures were tested for their individual and interaction effects of providing thermal comfort. The concept of Localized Dynamic Airflow was proposed in which room airflow was simply redirected to different parts of the body with a varying airflow speed. Results showed that males and females respond differently to the thermal conditions. The room temperatures they found neutral were significantly different. People?s thermal comfort during transient metabolic conditions was similar to high metabolic conditions. This heightened response extended into the next ten minutes after the high metabolic conditions ended. Test results suggested that people tolerate higher temperatures during transient environmental conditions. The average response was for comfortable even during the high temperature (83F) and high metabolic rate (4 met) conditions. Low energy use of the localized dynamic airflow and the increased room temperatures has significant potential for monetary savings.

Ugursal, Ahmet

2010-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "visual comfort analysis" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


281

Visualization of mobile object environments  

Science Conference Proceedings (OSTI)

This paper presents a system for visualizing mobile object frameworks. In such frameworks, the objects can migrate to remote hosts, along with their state and behavior, while the application is running. An innovative graph-based visualization is used ... Keywords: distributed software visualization, mobile objects, software visualization

Yaniv Frishman; Ayellet Tal

2005-05-01T23:59:59.000Z

282

Integrated PEV Charging Solutions and Reduced Energy for Occupant Comfort (Brochure), Vehicle Testing and Integration Facility (VTIF)  

NLE Websites -- All DOE Office Websites (Extended Search)

Vehicle Testing and Integration Facility Vehicle Testing and Integration Facility Integrated PEV Charging Solutions and Reduced Energy for Occupant Comfort Plug-in electric vehicles (PEVs) offer the opportunity to shift transportation energy demands from petroleum to electricity, but broad adoption will require integration with other systems. While automotive experts work to reduce the cost of PEVs, fossil- fueled cars and trucks continue to burn hundreds of billions of gallons of petroleum each year-not only to get from point A to point B, but also to keep passengers comfortable with air condi- tioning and heat. At the National Renewable Energy Laboratory (NREL), three instal- lations form a research laboratory known as the Vehicle Testing and Integration Facility (VTIF). At the VTIF, engineers are develop-

283

A Study on Zoning Regulations' Impact on Thermal Comfort Conditions in Non-conditioned Apartment Buildings in Dhaka City  

E-Print Network (OSTI)

Unfavorable thermal comfort conditions are common in the non-conditioned apartment buildings typical of Dhaka (Ali, 2007; Hafiz, 2004). Causes behind such unfavorable thermal comfort conditions include (but are not limited to) Dhaka?s climate, microclimate in Dhaka's typical residential neighborhood, its socio-economic context, housing type, and its inadequate planning regulations. Dhaka's climate is hot humid but it can be tackled with well designed buildings as well as well as designed neighborhoods, both of which demands ample open space. However, due to land scarcity and high population density, building developments lack open spaces and that results in unfavorable thermal comfort conditions in apartment buildings. Dhaka?s previous zoning regulations were unable to control this dense development, and therefore, a new set of zoning regulations were enacted (2008). However, no post-evaluation study was conducted to research the effect of this new set of regulations. The intention of this research is to first evaluate the existing regulations, and second, to suggest appropriate zoning regulation schemes for Dhaka's non-conditioned apartment buildings (for a lot size of 1/3 acre), which would provide favorable thermal comfort conditions without changing its existing density. To accomplish the first goal, this research analyzed two existing zoning schemes (one based on regulations of 1996, and the other based on the regulations of 2008). To accomplish the second goal, this research analyzed two hypothetical zoning schemes. The hypothetical ones were studied because this research finds 1996 and 2008 regulations to be two extremes (in terms of allowing open space and building height), and therefore examination of in-between alternative zoning schemes seemed essential for this study. To analyze the four zoning regulation schemes' impact on thermal comfort in apartment buildings, four sets of built environment were created in EnergyPlus (Energy Simulation software) as well as in Fluent (Computational Fluid Dynamics software). Each set of built environment is a cluster of nine buildings; and each set is different from each other in terms of their building footprints and building heights. The building on the center was modeled implicitly, and remaining buildings were modeled as solid blocks (to act as neighboring buildings) for blocking sun and wind. The ES and CFD software simulated possible solar, daylight, and wind availability inside the central building, and consequently produce data on thermal comfort conditions, namely indoor temperature and air velocity. The simulation results were compared to see which zoning schemes provided the most favorable thermal comfort conditions. This research found one of the in-between schemes (60% allowable footprint, 9-story height limit) to be more appropriate in terms of thermal comfort conditions than the other three schemes; because it provides better solar protection and better natural ventilation and consequently it reduces indoor temperature and increases indoor air velocity.

Islam, Saiful

2011-12-01T23:59:59.000Z

284

High Performance Computing and Visualization Group ...  

Science Conference Proceedings (OSTI)

High Performance Computing and Visualization Group. Welcome. The High Performance Computing and Visualization Group. ...

2011-09-27T23:59:59.000Z

285

Energy Savings and Comfort Improvements through Plant- and Operating mode Optimisation Demonstrated by Means of Project Examples  

E-Print Network (OSTI)

More than 40 percent of Europe's primary energy is required for conditioning of buildings. By improving energy efficiency, approximately 30 percent of this energy could be saved. Energy counts for 35 percent of the operating cost and put an increasing burden on the budget of real estate or facility managers. Building Automation is able to drill down operating cost and by the same time increase energy efficiency as documented in the EN 15232 (Energy performance of buildings - Impact of Building Automation, Controls and Building Management) norm. This standard notes that advanced high performing building automation can save up to 30 percent of thermal and 13 percent of electrical energy (for example in office buildings) compared to buildings with minimum building automation standard. An investigation of the energy consumption of various buildings identified significant savings in electricity and heating. 74 percent of the reviewed buildings are office or administrative type buildings, the majority of them air-conditioned. On average, the savings in primary energy demand were found to be as high as 23 percent per building. Surprising is the large percentage of the electricity needed for cooling and transport of the supply and exhaust air of 48 percent. Approximately 75 percent of this electricity is exclusively used to transport air. The survey results coincide with recent experience of energy experts from Honeywell. Based on their 30 years of experience with energy saving projects they are able to identify and activate savings that often exceed 40 percent at their customer sites. Control based means such as adjusting the operating time of ventilation systems to actual requirements, the installation of fan motors and pumps with high efficiency of up to 90 percent, the use of high-quality air filters and intelligent sensors are worthwhile investments, which rapidly pay off. Using thermography imaging, load measurements or plant operation analysis, Honeywell Building Solutions specialist are able to propose dedicated measures for buildings, that minimize the operational cost (and thus the extras tenants have to pay), the air pollutant emissions and increase the user comfort. During the course of the presentation three successful saving projects will underline the possibilities to improve plant operation with the help of know-how, measurement, control and precise sensor technology. The three German projects are: The Municipal Hospital at Dessau The Goethe-University at Frankfurt am Main The pharmaceutical company CSL Behring at Marburg

Muller, C.

2008-10-01T23:59:59.000Z

286

Progress on Enabling an Interactive Conversation Between Commercial Building Occupants and Their Building To Improve Comfort and Energy Efficiency: Preprint  

SciTech Connect

Many studies have reported energy savings after installing a dashboard, but dashboards provide neither individual feedback to the occupant nor the ability to report individual comfort. The Building Agent (BA) provides an interface to engage the occupant in a conversation with the building control system and the building engineer. Preliminary outcomes of the BA-enabled feedback loop are presented, and the effectiveness of the three display modes will be compared to other dashboard studies to baseline energy savings in future research.

Schott, M.; Scheib, J.; Long, N.; Fleming, K.; Benne, K.; Brackney, L.

2012-06-01T23:59:59.000Z

287

Hypertools in image and volume visualization  

SciTech Connect

This paper describes our experience in image and volume visualization at the Lawrence Livermore National Laboratory. After an introduction on visualization issues, we present a new software approach to the analysis and visualization of images and volumes. The efficiency of the visualization process is improved by letting the user combine small and reusable applications by the means of a machine-independent interpreted language such as Tcl/Tk. These hypertools can communicate with each other over a network, which has a direct impact on the design of graphical interfaces. We first describe the implementation of a flexible gray-scale image widget that can handle large data sets, provides complete control of the color palette and allows for manual and semi-interactive segmentation. This visualization tool can be embedded in a data-flow image processing environment to assess the quality of acquisition, preprocessing and filtering of raw data. This approach combines the simplicity of visual programming with the power of a high-level interpreted language. We show how hypertools can be used in surface and volume rendering and how they increase the interaction efficiency by performing complex or tedious tasks automatically. One biomedical application is presented.

Bossart, P.L.

1996-06-17T23:59:59.000Z

288

Developing Guidelines for Assessing Visual Analytics Environments  

SciTech Connect

Visual analytic systems can be evaluated from a user perspective with quantitative metrics (i.e., time to complete the analysis or the accuracy of the solution found). However, qualitative measures are also useful in a user assessment. These include such measures as the utility of the interactive visualizations in the analysis process and the user's assessment of the efficiency of the analytic process. Quantitative measures can be found if data sets with embedded ground truth are used for analysis. Qualitative measures are more elusive. In this paper we report on an experiment with professional analysts who ranked five of submissions to the VAST 2009 Challenge and provided the rationale for their rankings. Their comments were used in conjunction with a meta-analysis of the 2009 VAST Challenge reviews to produce a set of guidelines for visual analytic systems. As visual analytic software is expected to eventually help in all aspects of analysis, we expect to see future systems provide more help with generating the final report. Hence, researchers also need to have an understanding of what makes a good analytic product. Therefore we asked the analysts to rank the situational assessments of four grand challenge entries and to provide comments on those assessments. We used these comments to produce guidelines for researchers to use in evaluating their analytic reports.

Scholtz, Jean

2011-09-22T23:59:59.000Z

289

Visualizing structural properties of irregular parallel computations  

Science Conference Proceedings (OSTI)

An important task in parallel programming is the appropriate distribution of work on the processors. This distribution is usually dynamically changing and hard to predict, further it is very sensitive to the change of parameters. Even with advanced analysis ... Keywords: interactive performance tuning, visualization of parallel execution graphs

Wolfgang Blochinger; Michael Kaufmann; Martin Siebenhaller

2005-05-01T23:59:59.000Z

290

Semantic distances for technology landscape visualization  

Science Conference Proceedings (OSTI)

This paper presents a novel approach to the visualization of research domains in science and technology. The proposed methodology is based on the use of bibliometrics; i.e., analysis is conducted using information regarding trends and patterns ... Keywords: Clustering, Data mining, Semantic distance, Technology forecasting

Wei Lee Woon; Stuart Madnick

2012-08-01T23:59:59.000Z

291

Extreme Scale Visual Analytics  

Science Conference Proceedings (OSTI)

Extreme-scale visual analytics (VA) is about applying VA to extreme-scale data. The articles in this special issue examine advances related to extreme-scale VA problems, their analytical and computational challenges, and their real-world applications.

Wong, Pak C.; Shen, Han-Wei; Pascucci, Valerio

2012-05-08T23:59:59.000Z

292

Uncharted 3 visual effects  

Science Conference Proceedings (OSTI)

For Uncharted 3, Naughty Dog tackled the challenge of rendering multiple environmental effects, such as fire, water, and sand in the game set pieces. The biggest challenge was delivering high-quality visual effects in real time while keeping the strict ...

Mohammed Ikram

2012-08-01T23:59:59.000Z

293

Energetic, Visual and Non-Visual Aspects of Office Lighting.  

E-Print Network (OSTI)

??Light has important visual and non-visual effects on humans and high-quality light should therefore be supplied inside buildings in sufficient quantities. On the other hand, (more)

Linhart, Friedrich

2010-01-01T23:59:59.000Z

294

Scientific Visualization in Astronomy: Towards the Petascale Astronomy Era  

E-Print Network (OSTI)

Astronomy is entering a new era of discovery, coincident with the establishment of new facilities for observation and simulation that will routinely generate petabytes of data. While an increasing reliance on automated data analysis is anticipated, a critical role will remain for visualization-based knowledge discovery. We have investigated scientific visualization applications in astronomy through an examination of the literature published during the last two decades. We identify the two most active fields for progress - visualization of large-N particle data and spectral data cubes - discuss open areas of research, and introduce a mapping between astronomical sources of data and data representations used in general purpose visualization tools. We discuss contributions using high performance computing architectures (e.g: distributed processing and GPUs), collaborative astronomy visualization, the use of workflow systems to store metadata about visualization parameters, and the use of advanced interaction dev...

Hassan, Amr

2011-01-01T23:59:59.000Z

295

DARPA Intelligent Collaboration and Visualization ...  

Science Conference Proceedings (OSTI)

DARPA Intelligent Collaboration and Visualization. Back to VUG Home. Impetus / How Project Began. ITL was asked by ...

296

Visual Search Jeremy M. Wolfe  

E-Print Network (OSTI)

10 Visual Search Jeremy M. Wolfe Abstract This chapter considers the range of visual search tasks, from those involving very brief- ly presented stimuli to those involving search processes that extend over many days. Most of the discussion centers on "classic" visual search tasks, as studied in the lab

297

Spatio-temporal Visualization for Environmental Decision Support  

Science Conference Proceedings (OSTI)

Traditional visualization of earth surface features has been addressed through visual exploration, analysis, synthesis, and presentation of observable geospatial data. However, characterizing the changes in their observable and unobservable properties of geospatial features is critical for planning and policy formulation. Recent approaches are addressing modeling and visualization of the temporal dynamics that describe observed and/or predicted physical and socioeconomic processes using vast volumes of earth observation (imagery and other geophysical) data from remote sensor networks. This paper provides an overview of selected geospatial modeling and simulation, exploratory analysis of earth observation data, and high performance visualization research at Oak Ridge National Laboratory for developing novel data driven approaches for geospatial knowledge discovery and visualization relevant to environmental decision support.

Bhaduri, Budhendra L [ORNL; Shankar, Mallikarjun [ORNL; Sorokine, Alexandre [ORNL; Ganguly, Auroop R [ORNL

2009-01-01T23:59:59.000Z

298

Field Force Data Visualization  

Science Conference Proceedings (OSTI)

This report describes the development of a prototype data visualization app for utility workers. By using commercially available tablet technology, open standards, and open source software, utilities may be able to improve data capabilities of deployed field crews with modest investment in technology.BackgroundUtilities have been investing heavily in communications and information technology (IT) infrastructure in the past several years. While strides are being ...

2012-11-21T23:59:59.000Z

299

From comfort to kilowatts: An integrated assessment of electricity conservation in Thailand's commercial sector  

SciTech Connect

This document contains Appendix A, B, and C. In Appendix A, we are working as part of a research project with King Monkut's Institute of Technology, Thonburi, and the University of California, Berkeley (USA) to determine how people respond to the thermal environment inside buildings. We have prepared a short questionnaire which will survey thermal comfort. Our plan is to survey each building during each of three seasons over this year (e.g. hot, rainy, and cool seasons). Appendix B contains supporting technical documentation on conservation potential and Appendix C contains documentation on utility impacts.

Busch, J.F. Jr.

1990-08-01T23:59:59.000Z

300

Visualization of High Resolution Spatial Mass Spectrometric Data during Acquisition  

Science Conference Proceedings (OSTI)

Mass Spectrometric Imaging (IMS) allows the generation of 2D ion density maps that help visualize molecules present in sections of tissues and cells. The combination of spatial and mass resolution results in large and complex data sets that require powerful and efficient analysis and interpretation. In this paper, a graphical user interface (GUI) that can visualize the large data during data acquisition itself is presented. The program also has the ability to perform processing and analysis of the dataset. The various functions of the GUI including visualization of mass spectra, generation of 2D maps for selected species, manipulation of the heat maps, and peak identification are also presented.

Thomas, Mathew; Heath, Brandi S.; Laskin, Julia; Li, Dongsheng; Liu, Ellen C.; Hui, Katrina L.; Kuprat, Andrew P.; Kleese van Dam, Kerstin; Carson, James P.

2012-08-28T23:59:59.000Z

Note: This page contains sample records for the topic "visual comfort analysis" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


301

Visual Analytics: Building a Vibrant and Resilient National Science  

SciTech Connect

Five years after the science of visual analytics was formally established, we attempt to use two different studies to assess the current state of the community and evaluate the progress the community has made in the past few years. The first study involves a comparison analysis of intellectual and scholastic accomplishments recently made by the visual analytics community. The second one aims to measure the degree of community reach and internet penetration of visual-analytics-related resources. This paper describes our efforts to harvest the study data, conduct analysis, and make interpretations based on parallel comparisons with five other established computer science areas.

Wong, Pak C.; Thomas, James J.

2009-09-20T23:59:59.000Z

302

Materials Analysis - TMS  

Science Conference Proceedings (OSTI)

Mar 17, 2004 ... 2004 TMS Annual Meeting & Exhibition: Materials Analysis: Understanding ... with the leading failure scenario based on visual observations.

303

OpenEI Community - Visualization Graph  

Open Energy Info (EERE)

http:en.openei.orgcommunitytaxonomyterm700 en New Gapminder Visualizations Added http:en.openei.orgcommunityblognew-gapminder-visualizations-added

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304

NSF Announces Visualization Challenge - Materials Technology ...  

Science Conference Proceedings (OSTI)

Feb 11, 2009 ... Interactive Media: Dynamic web visualization or animation designed for ... Non- Interactive Media: Multimedia, visualizations, and animations...

305

How the Number and Placement of Sensors Controlling Room Air Distribution Systems Affect Energy Use and Comfort  

E-Print Network (OSTI)

This study assesses the impact of sensor number and placement on the energy needed to condition a typical office using several likely variants of an underfloor air distribution system (UFAD). The study uses an empirical-based room stratification model developed from full-scale tests of UFAD systems. Annual energy consumption is calculated for an interior zone using outside air temperature bin data. The comfort criteria are taken from ASHRAE standard 55-92. The simulations indicate that there are benefits derived from using more than one temperature sensor to control conditions in the occupied zone of a room. Among these are: 1. By adjusting both supply air temperature and volume to maintain the maximum allowable thermal gradient in the occupied (lower) part of the room, an optimal supply air condition can reduce energy use (relative to the best arrangement of a single sensor) while maintaining comfort; 2. Discomfort caused by stratification can be detected by having one of the sensors located at foot level; 3. For the simulated UFAD interior zone of a typical office building in Sacramento, an overall energy saving of 8%/24% (VAV/CAV respectively) can be achieved when two sensors as opposed to one are used to control room conditions.

Wang, D.; Arens, E.; Webster, T.; Shi, M.

2002-01-01T23:59:59.000Z

306

Expanding the Frontiers of Visual Analytics and Visualization  

Science Conference Proceedings (OSTI)

Expanding the Frontiers of Visual Analytics and Visualization contains international contributions by leading researchers from within the field. Dedicated to the memory of Jim Thomas, the book begins with the dynamics of evolving a vision based on some of the principles that Jim and colleagues established and in which Jims leadership was evident. This is followed by chapters in the areas of visual analytics, visualization, interaction, modelling, architecture, and virtual reality, before concluding with the key area of technology transfer to industry.

Dill, John; Earnshaw, Rae; Kasik, David; Vince, John; Wong, Pak C.

2012-05-31T23:59:59.000Z

307

Homeowner's Guide to Window Air Conditioner Installation for Efficiency and Comfort (Fact Sheet), Building America Case Study: Technology Solutions for Existing Homes, Building Technologies Office (BTO)  

SciTech Connect

This fact sheet offers a step-by-step guide to proper installation of window air conditioning units, in order to improve efficiency and comfort for homeowners.

2013-06-01T23:59:59.000Z

308

NREL Provides Guidance to Improve Air Mixing and Thermal Comfort in Homes (Fact Sheet), NREL Highlights, Research & Development, NREL (National Renewable Energy Laboratory)  

NLE Websites -- All DOE Office Websites (Extended Search)

research determines optimal HVAC system design for research determines optimal HVAC system design for proper air mixing and thermal comfort in homes. As U.S. homes become more energy efficient, heating, ventilation, and cooling (HVAC) systems will be downsized, and the air flow volumes required to meet heating and cooling loads may be too small to maintain uniform room air mixing-which can affect thermal comfort. Researchers at the National Renewable Energy Laboratory (NREL) evalu- ated the performance of high sidewall air supply inlets and confirmed that these systems can achieve good air mixing and provide suitable comfort levels for occupants. Using computational fluid dynamics modeling, NREL scientists tested the performance of high sidewall supply air jets over a wide range of parameters including supply air tempera-

309

An Assessment of Visual Testing  

SciTech Connect

In response to increasing interest from nuclear utilities in replacing some volumetric examinations of nuclear reactor components with remote visual testing, the Pacific Northwest National Laboratory has examined the capabilities of remote visual testing for the Nuclear Regulatory Commission. This report describes visual testing and explores the visual acuities of the camera systems used to examine nuclear reactor components. The types and sizes of cracks typically found in nuclear reactor components are reviewed. The current standards in visual testing are examined critically, and several suggestions for improving these standards are proposed. Also proposed for future work is a round robin test to determine the effectiveness of visual tests and experimental studies to determine the values for magnification and resolution needed to reliably image very tight cracks.

Cumblidge, Stephen E.; Anderson, Michael T.; Doctor, Steven R.

2004-11-01T23:59:59.000Z

310

Field experiments on occupant comfort and office thermal environments in a hot-humid climate  

E-Print Network (OSTI)

analysis, and Cris Bentonof CEDR for advice in relation toMPRL and Nora Watanabe at CEDR thanked for their assistance

de Dear, Richard; Fountain, M.

1994-01-01T23:59:59.000Z

311

Kinetics/Phase Transformations: Visualizations  

Science Conference Proceedings (OSTI)

VISUALS: Animation and video of solidification of solid crystals from a liquid ... JOM article including phase field and level set model animations, 0, 710, Cathy...

312

Virtual sensors for estimation of energy consumption and thermal comfort in buildings with underfloor heating  

Science Conference Proceedings (OSTI)

Evaluating a building's performance usually requires a high number of sensors especially if individual rooms are analyzed. This paper introduces a simple and scalable model-based virtual sensor that allows analysis of a buildings' heat consumption down ... Keywords: Building performance analysis, Energy efficiency, Hybrid HVAC systems, Virtual sensors

Joern Ploennigs; Ammar Ahmed; Burkhard Hensel; Paul Stack; Karsten Menzel

2011-10-01T23:59:59.000Z

313

Knowledge Assisted Visualization: Knowledge-assisted visualization of seismic data  

Science Conference Proceedings (OSTI)

We present novel techniques for knowledge-assisted annotation and computer-assisted interpretation of seismic data for oil and gas exploration. We describe the existing procedure for oil and gas search which consists of manually extracting information ... Keywords: 2D textures, 3D textures, Illustrative visualization, Knowledge-assisted visualization, Rapid interpretation, Seismic interpretation

Daniel Patel; yvind Sture; Helwig Hauser; Christopher Giertsen; M. Eduard Grller

2009-10-01T23:59:59.000Z

314

Cell Image Visualization  

Science Conference Proceedings (OSTI)

... Biological cell image analysis projects include methods to measure cell segmentation accuracy and new segmentation methods to track live cells. ...

2011-06-17T23:59:59.000Z

315

An Adaptive Framework for Simulation and Online Remote Visualization of Critical Climate Applications in Resource-constrained Environments  

Science Conference Proceedings (OSTI)

Critical climate applications like cyclone tracking and earthquake modeling require high-performance simulations and online visualization simultaneously performed with the simulations for timely analysis. Remote visualization of critical climate events ...

Preeti Malakar; Vijay Natarajan; Sathish S. Vadhiyar

2010-11-01T23:59:59.000Z

316

Progress on Enabling an Interactive Conversation Between Commercial Building Occupants and Their Building To Improve Comfort and Energy Efficiency: Preprint  

NLE Websites -- All DOE Office Websites (Extended Search)

Progress on Enabling an Progress on Enabling an Interactive Conversation Between Commercial Building Occupants and Their Building To Improve Comfort and Energy Efficiency Preprint M. Schott, N. Long, J. Scheib, K. Fleming, K. Benne, and L. Brackney National Renewable Energy Laboratory To be presented at ACEEE Summer Study on Energy Efficiency in Buildings Pacific Grove, California August 12-17, 2012 Conference Paper NREL/CP-5500-55197 June 2012 NOTICE The submitted manuscript has been offered by an employee of the Alliance for Sustainable Energy, LLC (Alliance), a contractor of the US Government under Contract No. DE-AC36-08GO28308. Accordingly, the US Government and Alliance retain a nonexclusive royalty-free license to publish or reproduce the published form of this contribution, or allow others to do so, for US Government purposes.

317

Sunfall: a collaborative visual analytics system for astrophysics  

Science Conference Proceedings (OSTI)

Computational and experimental sciences produce and collect ever-larger and complex datasets, often in large-scale, multi-institution projects. The inability to gain insight into complex scientific phenomena using current software tools is a bottleneck facing virtually all endeavors of science. In this paper, we introduce Sunfall, a collaborative visual analytics system developed for the Nearby Supernova Factory, an international astrophysics experiment and the largest data volume supernova search currently in operation. Sunfall utilizes novel interactive visualization and analysis techniques to facilitate deeper scientific insight into complex, noisy, high-dimensional, high-volume, time-critical data. The system combines novel image processing algorithms, statistical analysis, and machine learning with highly interactive visual interfaces to enable collaborative, user-driven scientific exploration of supernova image and spectral data. Sunfall is currently in operation at the Nearby Supernova Factory; it is the first visual analytics system in production use at a major astrophysics project.

Aragon, Cecilia R.; Aragon, Cecilia R.; Bailey, Stephen J.; Poon, Sarah; Runge, Karl; Thomas, Rollin C.

2008-07-07T23:59:59.000Z

318

Data Visualization Perceiving and Representing  

E-Print Network (OSTI)

Data Visualization Perceiving and Representing Structured Information using Objects #12;Data #12;Data Visualization Image Based vs Structure Theories s Template theories based on 2D image processing s In structural theories we extract the structure of a scene in terms of 3D primitives #12;Data

Chi, Ed Huai-hsin

319

Live visuals tutorial: part III  

Science Conference Proceedings (OSTI)

In this part of the course, we give a tutorial on how to compose live visuals. First, we talk about hardware and software setup needed for a live visual performance. Then we present concepts to prepare and organize huge media libraries allowing for instant ...

Pascal Mueller

2007-08-01T23:59:59.000Z

320

NREL: Energy Analysis - Dani Salyer  

NLE Websites -- All DOE Office Websites (Extended Search)

Data Analysis and Visualization Group Energy Forecasting and Modeling Group Market and Policy Impact Analysis Group Technology Systems and Sustainability Analysis Group...

Note: This page contains sample records for the topic "visual comfort analysis" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


321

Visualization Gallery from the Computational Research Division at Lawrence Berkeley National Laboratory  

DOE Data Explorer (OSTI)

This excellent collection of visualization vignettes highlights research work done by the LBNL/NERSC Visualization Group and its collaborators from 1993 to the present. Images lead to technical explanations and project details, helping users to branch out to other related sources. Titles of the projects provide clues both to the imaging focus of the research and the scientific discipline for which the visualizations are intended. Only a few of the many titles/images/projects are listed here: 1) Hybrid Parallelism for Volume Rendering at Large Scale Analysis of Laser Wakefield Particle Acceleration Data; 2) Visualization of Microearthquake Data from Enhanced Geothermal Systems; 3) PointCloudXplore: Visualization and Analysis of 3D Gene Expression Data; 4) Visualization of Quantum Monte-Carlo simulations; 5) Global Cloud Resolving Models; 6) Visualization of large-scale GFDL/NOAA climate simulations; 7) Direct Numerical Simulation of Turbulent Flame Quenching by Fine Water Droplets; 8) Visualization of Magneto-rotational instability and turbulent angular momentum transport; 9) Sunfall: Visual Analytics for Astrophysics; 10) Fast Contour Descriptor Algorithm for Supernova Image Classification; 11) Supernova Recognition Using Support Vector Machines; 12) High Performance Visualization - Query-Driven Network Traffic Analysis; 13) Visualization of Magneto-rotational instability and turbulent angular momentum transport; 14) Life Sciences: Cell Division of Caulobacter Crescentus; 15) Electron Cloud Simulations.

322

Visual secret sharing for multiple secrets  

Science Conference Proceedings (OSTI)

Conventional visual secret sharing schemes are designed for a single secret image so it is inefficient to generate numerous share images for multiple secret images simultaneously. Therefore, a novel visual secret sharing scheme for multiple secret images ... Keywords: Multiple secret sharing, Visual cryptography, Visual pattern, Visual secret sharing

Jen-Bang Feng; Hsien-Chu Wu; Chwei-Shyong Tsai; Ya-Fen Chang; Yen-Ping Chu

2008-12-01T23:59:59.000Z

323

Topological Cacti: Visualizing Contour-based Statistics  

SciTech Connect

Contours, the connected components of level sets, play an important role in understanding the global structure of a scalar field. In particular their nestingbehavior and topology-often represented in form of a contour tree-have been used extensively for visualization and analysis. However, traditional contour trees onlyencode structural properties like number of contours or the nesting of contours, but little quantitative information such as volume or other statistics. Here we use thesegmentation implied by a contour tree to compute a large number of per-contour (interval) based statistics of both the function defining the contour tree as well asother co-located functions. We introduce a new visual metaphor for contour trees, called topological cacti, that extends the traditional toporrery display of acontour tree to display additional quantitative information as width of the cactus trunk and length of its spikes. We apply the new technique to scalar fields ofvarying dimension and different measures to demonstrate the effectiveness of the approach.

Weber, Gunther H.; Bremer, Peer-Timo; Pascucci, Valerio

2011-05-26T23:59:59.000Z

324

Determining Progression in Glaucoma Using Visual Fields  

Science Conference Proceedings (OSTI)

The standardized visual field assessment, which measures visual function in 76 locations of the central visual area, is an important diagnostic tool in the treatment of the eye disease glaucoma. It helps determine whether the disease is stable or progressing ...

Andrew Turpin; Eibe Frank; Mark Hall; Ian H. Witten; Chris A. Johnson

2001-04-01T23:59:59.000Z

325

Toolkits for visualizing co-authorship graph  

Science Conference Proceedings (OSTI)

Visualization eases insight into complex systems such as co-authorship networks. We present an initial deployment of an author navigator application for convenient visual examination of JCDL and LANL co--authorship networks. Keywords: co-authorship, visualization

Xiaoming Liu; Johan Bollen; Michael L. Nelson; Herbert Van de Sompel; Jeremy Hussell; Rick Luce; Linn Marks

2004-06-01T23:59:59.000Z

326

A system for visualizing and analyzing near-optimal protein sequence alignments  

Science Conference Proceedings (OSTI)

System modeling and analysis is an imperfect art and as a consequence there are problems where alternative solutions may exist. Information visualization is often used to enhance system modeling and analysis efforts by taking advantage of human perceptual ... Keywords: mixed-initiative interaction, protein sequence alignment, scientific discovery, solution space visualization, sub-optimal alignment, zooming and panning

Michael E. Smoot; Ellen J. Bass; Stephanie A. Guerlain; William R. Pearson

2005-09-01T23:59:59.000Z

327

Detecting distributed scans using high-performance query-driven visualization  

Science Conference Proceedings (OSTI)

Modern forensic analytics applications, like network traffic analysis, perform high-performance hypothesis testing, knowledge discovery and data mining on very large datasets. One essential strategy to reduce the time required for these operations is ... Keywords: data mining, network connection analysis, network security, query-driven visualization, visual analytics

Kurt Stockinger; E. Wes Bethel; Scott Campbell; Eli Dart; Kesheng Wu

2006-11-01T23:59:59.000Z

328

Data Analysis & Visualization | Neutron Science | ORNL  

NLE Websites -- All DOE Office Websites (Extended Search)

(3-D) neutron images have been taken of rare archaeological artifacts. Bronze and brass artifacts excavated at the ancient city of Petra, in present day Jordan, were recently...

329

DAVE, Data Analysis and Visualization Environment  

Science Conference Proceedings (OSTI)

... It also allows the animation of the vibrational modes of the molecule to be seen (or saved). MARS Data Reduction. Menu ...

330

Neutron Data Analysis & Visualization | More Science | ORNL  

NLE Websites -- All DOE Office Websites (Extended Search)

the data sets generated by the increasingly powerful neutron scattering instruments at HFIR and SNS grow ever more massive, the facilities' users require significant advances in...

331

Occam's Razor and Petascale Visual Data Analysis  

E-Print Network (OSTI)

of Franklin, a Cray XT4 at OLCF/ORNL. NERSC/LBNL. Figure 1.these tests on on Crays (OLCF/ORNLs Jaguar & NERSC/LBNLs

Bethel, E. Wes

2009-01-01T23:59:59.000Z

332

DAVE, Data Analysis and Visualization Environment  

Science Conference Proceedings (OSTI)

... JD Magill, J. Paglione, P. Zavalij, MR Suchomel, and MA Green, J. Am. ... C. Broholm, JRD Copley, and RW Erwin, Journal of Physics 71, 673 ... Phys. ...

333

DAVE, Data Analysis and Visualization Environment  

Science Conference Proceedings (OSTI)

... 10.1111/j.1365-2966.2011.18675.x * Molecular mobility in solid sodium ... Structural Collapse and 45 K Superconductivity in Electron-doped CaFe 2 ...

334

DAVE, Data Analysis and Visualization Environment  

Science Conference Proceedings (OSTI)

... cross sections table for all elements and isotopes; ... would appreciate acknowledgment if the software is used ... into some of the DAVE programs as ...

335

Visualization of Microearthquake Data from Enhanced Geothermal...  

NLE Websites -- All DOE Office Websites (Extended Search)

Visualization Microearthquake Visualization of Microearthquake Data from Enhanced Geothermal Systems microearthquake.png We are working with geophysicists in the Earth Sciences...

336

NREL: Energy Systems Integration - Visualization of Electric...  

NLE Websites -- All DOE Office Websites (Extended Search)

Visualization of Electric Power System Information Workshop The Energy Systems Integration Facility workshop, Visualization of Electric Power System Information, was held September...

337

Accelerating Network Traffic Analytics Using Query-DrivenVisualization  

SciTech Connect

Realizing operational analytics solutions where large and complex data must be analyzed in a time-critical fashion entails integrating many different types of technology. This paper focuses on an interdisciplinary combination of scientific data management and visualization/analysis technologies targeted at reducing the time required for data filtering, querying, hypothesis testing and knowledge discovery in the domain of network connection data analysis. We show that use of compressed bitmap indexing can quickly answer queries in an interactive visual data analysis application, and compare its performance with two alternatives for serial and parallel filtering/querying on 2.5 billion records worth of network connection data collected over a period of 42 weeks. Our approach to visual network connection data exploration centers on two primary factors: interactive ad-hoc and multiresolution query formulation and execution over n dimensions and visual display of then-dimensional histogram results. This combination is applied in a case study to detect a distributed network scan and to then identify the set of remote hosts participating in the attack. Our approach is sufficiently general to be applied to a diverse set of data understanding problems as well as used in conjunction with a diverse set of analysis and visualization tools.

Bethel, E. Wes; Campbell, Scott; Dart, Eli; Stockinger, Kurt; Wu,Kesheng

2006-07-29T23:59:59.000Z

338

Dynamic visualization of data streams  

DOE Patents (OSTI)

One embodiment of the present invention includes a data communication subsystem to receive a data stream, and a data processing subsystem responsive to the data communication subsystem to generate a visualization output based on a group of data vectors corresponding to a first portion of the data stream. The processing subsystem is further responsive to a change in rate of receipt of the data to modify the visualization output with one or more other data vectors corresponding to a second portion of the data stream as a function of eigenspace defined with the group of data vectors. The system further includes a display device responsive to the visualization output to provide a corresponding visualization.

Wong, Pak Chung (Richalnd, WA); Foote, Harlan P. (Richland, WA); Adams, Daniel R. (Kennewick, WA); Cowley, Wendy E. (Richland, WA); Thomas, James J. (Richland, WA)

2009-07-07T23:59:59.000Z

339

Visualization of truth tables - CECM  

E-Print Network (OSTI)

Nov 19, 1997 ... Visualization of truth tables. The Figures are computer-generated tables that show the value 1 as being represented by a black pixel and 0 by a...

340

Visualization & Controls Program Peer Review | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Visualization & Controls Program Peer Review Visualization & Controls Program Peer Review Visualization & Controls Program Peer Review With mounting evidence suggesting an increased probability that malicious attacks may be launched against energy control systems, there is a critical need to understand specific cyber vulnerabilities and corresponding mitigation strategies. This need is being addressed by SCADA/ Energy Management System (EMS) Cyber Security Assessments conducted at the National SCADA Test Bed (NSTB) facility at INL and at on-site field installations of control systems. Visualization & Controls Program Peer Review More Documents & Publications DOE/OE National SCADA Test Bed Fiscal Year 2009 Work Plan DOE National SCADA Test Bed Program Multi-Year Plan Vulnerability Analysis of Energy Delivery Control Systems - 2011

Note: This page contains sample records for the topic "visual comfort analysis" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


341

Top Ten Interaction Challenges in Extreme-Scale Visual Analytics  

Science Conference Proceedings (OSTI)

The chapter presents ten selected user interfaces and interaction challenges in extreme-scale visual analytics. The study of visual analytics is often referred to as 'the science of analytical reasoning facilitated by interactive visual interfaces' in the literature. The discussion focuses on the issues of applying visual analytics technologies to extreme-scale scientific and non-scientific data ranging from petabyte to exabyte in sizes. The ten challenges are: in situ interactive analysis, user-driven data reduction, scalability and multi-level hierarchy, representation of evidence and uncertainty, heterogeneous data fusion, data summarization and triage for interactive query, analytics of temporally evolving features, the human bottleneck, design and engineering development, and the Renaissance of conventional wisdom. The discussion addresses concerns that arise from different areas of hardware, software, computation, algorithms, and human factors. The chapter also evaluates the likelihood of success in meeting these challenges in the near future.

Wong, Pak C.; Shen, Han-Wei; Chen, Chaomei

2012-05-31T23:59:59.000Z

342

High Performance Multivariate Visual Data Exploration for Extremely Large Data  

SciTech Connect

One of the central challenges in modern science is the need to quickly derive knowledge and understanding from large, complex collections of data. We present a new approach that deals with this challenge by combining and extending techniques from high performance visual data analysis and scientific data management. This approach is demonstrated within the context of gaining insight from complex, time-varying datasets produced by a laser wakefield accelerator simulation. Our approach leverages histogram-based parallel coordinates for both visual information display as well as a vehicle for guiding a data mining operation. Data extraction and subsetting are implemented with state-of-the-art index/query technology. This approach, while applied here to accelerator science, is generally applicable to a broad set of science applications, and is implemented in a production-quality visual data analysis infrastructure. We conduct a detailed performance analysis and demonstrate good scalability on a distributed memory Cray XT4 system.

Rubel, Oliver; Wu, Kesheng; Childs, Hank; Meredith, Jeremy; Geddes, Cameron G.R.; Cormier-Michel, Estelle; Ahern, Sean; Weber, Gunther H.; Messmer, Peter; Hagen, Hans; Hamann, Bernd; Bethel, E. Wes; Prabhat,

2008-08-22T23:59:59.000Z

343

Test Plan to Evaluate the Relationship Among IAQ, Comfort, Moisture, and Ventilation in Humid Climates  

Science Conference Proceedings (OSTI)

This experimental plan describes research being conducted by Pacific Northwest National Laboratory (PNNL), in coordinatation with Florida Solar Energy Center (FSEC), Florida HERO, and Lawrence Berkeley National Laboratory (LBNL) to evaluate the impact of ventilation rate on interior moisture levels, temperature distributions, and indoor air contaminant concentrations. Specifically, the research team will measure concentrations of indoor air contaminants, ventilation system flow rates, energy consumption, and temperature and relative humidity in ten homes in Gainesville, FL to characterize indoor pollutant levels and energy consumption associated with the observed ventilation rates. PNNL and FSEC have collaboratively prepared this experimental test plan, which describes background and context for the proposed study; the experimental design; specific monitoring points, including monitoring equipment, and sampling frequency; key research questions and the associated data analysis approach; experimental logistics, including schedule, milestones, and team member contact information; and clearly identifies the roles and responsibilities of each team in support of project objectives.

Widder, Sarah H.; Martin, Eric

2013-03-15T23:59:59.000Z

344

From comfort to kilowatts: An integrated assessment of electricity conservation in Thailand's commercial sector  

SciTech Connect

Thailand serves as a case study of the potential to conserve electricity in the fast-growing commercial sectors of the tropical developing world. We performed a field study of over 1100 Thai office workers in which a questionnaire survey and simultaneous physical measurements were taken. Both air-conditioned and non-air-conditioned buildings were included. We analyzed Thai subjective responses on the ASHRAE, McIntyre and other rating scales, relating them to Effective Temperature, demographics, and to rational indices of warmth such as PMV and TSENS. These results suggest that without sacrificing comfort, significant energy conservation opportunities exist through the relaxation of upper space temperature limits. To investigate the potential for conserving energy in a cost-effective manner, we performed a series of parametric simulations using the DOE-2.1D computer program on three commercial building prototypes based on actual buildings in Bangkok; an office, a hotel, and a shopping center. We investigated a wide range of energy conservation measures appropriate for each building type, from architectural measures to HVAC equipment and control solutions. The best measures applied in combination into high efficiency cases can generate energy savings in excess of 50%. Economic analyses performed for the high efficiency cases, resulted in costs of conserved energy of less than and internal rates of return in excess of 40%. Thermal cool storage, cogeneration, and gas cooling technology showed promise as cost-effective electric load management strategies.

Busch, J.F. Jr.

1990-08-01T23:59:59.000Z

345

From comfort to kilowatts: An integrated assessment of electricity conservation in Thailand's commercial sector  

SciTech Connect

Thailand serves as a case study of the potential to conserve electricity in the fast-growing commercial sectors of the tropical developing world. A field study of over 1,100 Thai office workers was performed in which a questionnaire survey and simultaneous physical measurements were taken. Both air-conditioned and non-air-conditioned buildings were included. Thai subjective responses were analyzed on the ASHRAE, McIntyre, and other rating scales, relating them to Effective Temperature, demographics, and to rational indices of warmth such as PMV and TSENSA. These results suggest that without sacrificing comfort, significant energy conservation opportunities exist through the relaxation of upper space temperature limits. To investigate the potential for conserving energy in a cost-effective manner, a series of parametric simulations were performed using the DOE-2.1D computer program for three commercial building prototypes in Bangkok: an office, a hotel, and a shopping center. A wide range of energy conservation measures appropriate for each building type was studied. Drawing on the building energy-simulation results, impacts on the Thai electric utility were evaluated under various conservation scenarios.

Busch, J.F. Jr.

1990-01-01T23:59:59.000Z

346

Improving Building Comfort and Energy Savings of the McKenzie Airport Terminal by Maintaining and Improving Pneumatic Control Systems  

E-Print Network (OSTI)

McKenzie Airport Terminal is located at Easterwood Airport, which is owned and operated by Texas A&M University. It was built in 1988. Most all HVAC equipment, which includes boiler, chiller, pumps, AHUs and exhaust fans, due to lack of maintenance, had some form of deteriorated controls, components, and operational function. For example, most of pneumatic controls were failed due to bad components, wrong settings, and disconnection before the Continuous CommissioningR (CCSM). This caused humid and hot problems of the building, and wasted energy. After maintaining and improving the pneumatic controls, the boiler and hot water pump is now turned off when outside air temperature is higher than 80F. The chiller is now shut off when the outside air temperature is below 55 F, and the economizers activate to maintain discharge air temperature when the outside air temperature is below 60 F. The building comfort in temperature and relative humidity (RH) is improved after CCSM. For example, average space temperature of the building was above 75 F most of the time before CCSM and is now 73 F after CCSM. The relative humidity in the baggage claim area was 70% before CCSM and is now 55% after CCSM. The annual savings of electricity for chiller and natural gas for boiler are $5,040 and $12,090 respectively. The total annual energy savings are $17,130.

Liu, C.; Bruner, H. L.; Deng, S.; Brundidge, T.; Turner, W. D.; Claridge, D. E.

2004-01-01T23:59:59.000Z

347

Mondrian: an agile information visualization framework  

Science Conference Proceedings (OSTI)

Data visualization is the process of representing data as pictures to support reasoning about the underlying data. For the interpretation to be as easy as possible, we need to be as close as possible to the original data. As most visualization tools ... Keywords: graph visualization, model transformation, software visualization

Michael Meyer; Tudor Grba; Mircea Lungu

2006-09-01T23:59:59.000Z

348

VisIOn: an interactive visualization ontology  

Science Conference Proceedings (OSTI)

VisIOn (Interactive Visualization Ontology) is a web application designed to categorize and store information about Software Visualization (SV) systems, in a way that can be easily searched and used for comparison. VisIOn will allow users and developers ... Keywords: algorithm animation, effectiveness, ontology, program visualization, repository, software visualization, taxonomy

Philippa Rhodes; Eileen Kraemer; Bina Reed

2006-03-01T23:59:59.000Z

349

A python based 4d visualization environment  

Science Conference Proceedings (OSTI)

One of the challenges in 4D math visualization is to develop an interactive and integrated computational environment to quick-prototype, simulate, and experiment with the abstract mathematical concepts. We have investigated several areas in 4D visualization ... Keywords: 4D visualization, Python, math visualization

Lin Jing; Xipei Huang; Yiwen Zhong; Yin Wu; Hui Zhang

2012-09-01T23:59:59.000Z

350

Visual Analytics at the Pacific Northwest  

E-Print Network (OSTI)

customers. The success of PNNL's information visualization software, such as IN-SPIRETM and StarlightTM, and publications in top visualization journals and conference proceedings are the results of PNNL researchers with a focus on analytical reasoning facilitated by interactive visual interfaces. PNNL's visual analytics team

351

VisIt: a component based parallel visualization package  

SciTech Connect

We are currently developing a component based, parallel visualization and graphical analysis tool for visualizing and analyzing data on two- and three-dimensional (20, 30) meshes. The tool consists of three primary components: a graphical user interface (GUI), a viewer, and a parallel compute engine. The components are designed to be operated in a distributed fashion with the GUI and viewer typically running on a high performance visualization server and the compute engine running on a large parallel platform. The viewer and compute engine are both based on the Visualization Toolkit (VTK), an open source object oriented data manipulation and visualization library. The compute engine will make use of parallel extensions to VTK, based on MPI, developed by Los Alamos National Laboratory in collaboration with the originators of P K . The compute engine will make use of meta-data so that it only operates on the portions of the data necessary to generate the image. The meta-data can either be created as the post-processing data is generated or as a pre-processing step to using VisIt. VisIt will be integrated with the VIEWS' Tera-Scale Browser, which will provide a high performance visual data browsing capability based on multi-resolution techniques.

Ahern, S; Bonnell, K; Brugger, E; Childs, H; Meredith, J; Whitlock, B

2000-12-18T23:59:59.000Z

352

Large Data Visualization on Distributed Memory Mulit-GPU Clusters  

Science Conference Proceedings (OSTI)

Data sets of immense size are regularly generated on large scale computing resources. Even among more traditional methods for acquisition of volume data, such as MRI and CT scanners, data which is too large to be effectively visualization on standard workstations is now commonplace. One solution to this problem is to employ a 'visualization cluster,' a small to medium scale cluster dedicated to performing visualization and analysis of massive data sets generated on larger scale supercomputers. These clusters are designed to fit a different need than traditional supercomputers, and therefore their design mandates different hardware choices, such as increased memory, and more recently, graphics processing units (GPUs). While there has been much previous work on distributed memory visualization as well as GPU visualization, there is a relative dearth of algorithms which effectively use GPUs at a large scale in a distributed memory environment. In this work, we study a common visualization technique in a GPU-accelerated, distributed memory setting, and present performance characteristics when scaling to extremely large data sets.

Childs, Henry R.

2010-03-01T23:59:59.000Z

353

NREL: Dynamic Maps, GIS Data, and Analysis Tools - GIS Mailing...  

NLE Websites -- All DOE Office Websites (Extended Search)

Contents: Wind Barriers Impact Analysis, Wind Transportation Study, New Spatiotemporal Scenario Visualization Capabilities, Rooftop Photovoltaics Analysis, Solar Resource Data...

354

Visualization | OpenEI Community  

Open Energy Info (EERE)

78 78 Varnish cache server Home Groups Community Central Green Button Applications Developer Utility Rate FRED: FRee Energy Database More Public Groups Private Groups Features Groups Blog posts Content Stream Documents Discussions Polls Q & A Events Notices My stuff Energy blogs 429 Throttled (bot load) Error 429 Throttled (bot load) Throttled (bot load) Guru Meditation: XID: 2142234778 Varnish cache server Visualization Home Sfederspiel's picture Submitted by Sfederspiel(5) Member 20 May, 2013 - 13:28 Introducing FRED, Enabling Unique Visualization and Manipulation of Energy Data at Multiple Scales FRED Free Energy Data Map OpenEI Tool Visualization The U.S. Department of Energy, the Pacific Northwest National Laboratory, and the Planetary Skin Institute recently released a new open platform

355

NREL: Energy Analysis - Daniel Getman  

NLE Websites -- All DOE Office Websites (Extended Search)

of the Data Analysis and Visualization Group in the Strategic Energy Analysis Center. GIS Scientist IV - Geospatial Section Supervisor On staff since March 2010 Phone number:...

356

Process state and progress visualization using self-organizing map  

Science Conference Proceedings (OSTI)

The self-organizing map (SOM) [1] is used in data analysis for resolving and visualizing nonlinear relationships in complex data. This paper presents an application of the SOM for depicting state and progress of a real-time process. A self-organizing ...

Risto Hakala; Timo Simil; Miki Sirola; Jukka Parviainen

2006-09-01T23:59:59.000Z

357

In-situ visualization for global hybrid simulations  

Science Conference Proceedings (OSTI)

Petascale simulations have become mission critical in diverse areas of science and engineering. Knowledge discovery from such simulations remains a major challenge and is becoming more urgent as the march towards ultra-scale computing with millions of ... Keywords: high performance computing, in-situ data analysis and visualization, modeling and simulation

H. Karimabadi; B. Loring; P. O'Leary; A. Majumdar; M. Tatineni; B. Geveci

2013-07-01T23:59:59.000Z

358

Multivariate methods for the integration and visualization of omics data  

Science Conference Proceedings (OSTI)

As the developments in high throughput technologies have become more common and accessible it is becoming usual to take several distinct simultaneous approaches to study the same problem. In practice, this means that data of different types (expression, ... Keywords: data integration, multiple factor analysis, omic data, visualization

Alex Snchez; Jos Fernndez-Real; Esteban Vegas; Francesc Carmona; Jacques Amar; Remy Burcelin; Matteo Serino; Francisco Tinahones; M. Carmen Ruz de Villa; Antonio Minrro; Ferran Reverter

2010-10-01T23:59:59.000Z

359

Microsoft Visual C# 2005 Unleashed  

Science Conference Proceedings (OSTI)

Setting the standard for a premium C# reference, Microsoft Visual C# 2005 Unleashed provides practical examples for virtually every aspect of the C# programming language. The book is structured for progressive learning, so it can be read cover-to-cover ...

Kevin Hoffman

2005-12-01T23:59:59.000Z

360

Visualizing processes on the web  

Science Conference Proceedings (OSTI)

In this paper, we describe 3WPS, a framework to build distributed systems that are able to monitor and interact with a process through a 3D interface that is accessible via the World Wide Web (WWW). The 3WPS is easily configurable, easily adaptable to ... Keywords: Monitoring, VRML, Visualization systems

Delfina Malandrino; Giuseppina Palmieri; Vittorio Scarano

2007-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "visual comfort analysis" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


361

Interferometric Visualization of Jet Flames  

Science Conference Proceedings (OSTI)

This paper presents visualizations of reacting, round jets of the premixed and nonpremixed type realized by using interferometry and, complementarily, direct photography. The available interferometer, proposed by Carlomagno (1986), employs low-cost components ... Keywords: coherent structures, combustion, destabilization, interferometry, jet flames

A. Stella; G. Guj; A. Mataloni

2000-01-01T23:59:59.000Z

362

Visualization components for persistent conversations  

Science Conference Proceedings (OSTI)

An appropriately designed interface to persistent, threaded conversations could reinforce socially beneficial behavior by prominently featuring how frequently and to what degree each user exhibits such behaviors. Based on the data generated by the Netscan ... Keywords: Usenet, asynchronous threaded discussions, newsgroup, persistent conversation, social cyberspaces, visualization

Marc A. Smith; Andrew T. Fiore

2001-03-01T23:59:59.000Z

363

Rhythm modeling, visualizations and applications  

Science Conference Proceedings (OSTI)

People use their awareness of others' temporal patterns to plan work activities and communication. This paper presents algorithms for programatically detecting and modeling temporal patterns from a record of online presence data. We describe analytic ... Keywords: CMC, CSCW, awareness, context-aware computing, instant messaging, rhythms, user modeling, visualization

James "Bo" Begole; John C. Tang; Rosco Hill

2003-11-01T23:59:59.000Z

364

CareVis: Integrated visualization of computerized protocols and temporal patient data  

Science Conference Proceedings (OSTI)

Objective: Currently, visualization support for patient data analysis is mostly limited to the representation of directly measured data. Contextual information on performed treatment steps is an important source to find reasons and explanations for certain ... Keywords: Clinical guidelines, Information visualization, Patient data, Protocol-based care, Temporal uncertainties, Treatment plans, User-centered design

Wolfgang Aigner; Silvia Miksch

2006-07-01T23:59:59.000Z

365

Evolution of a Visual Impact Model to Evaluate Nuclear Plant Siting and Design Option1  

E-Print Network (OSTI)

for Analysis and Management of the Visual Resource, Incline Village, Nevada, April 23-25, 1979. 2 / AssociatesEvolution of a Visual Impact Model to Evaluate Nuclear Plant Siting and Design Option1 2/ Brian A/ The method can be used to train evaluators to use explicit criteria (vividness, intactness and unity

Standiford, Richard B.

366

Personalized building comfort control  

E-Print Network (OSTI)

Creating an appropriate indoor climate is essential to worker productivity and personal happiness. It is also an area of large expenditure for building owners. And, with rising fuel costs, finding ways of reducing energy ...

Feldmeier, Mark Christopher, 1974-

2009-01-01T23:59:59.000Z

367

Moving air for comfort  

E-Print Network (OSTI)

to facilitate the design layout of fans in accordance withCeiling fans in open office space Figure 7 Design office inapproximately 30-70 W/fan. In the design, they were assumed

Arens, Edward; Turner, Stephen; Zhang, Hui; Paliaga, Gwelen

2009-01-01T23:59:59.000Z

368

Moving air for comfort  

E-Print Network (OSTI)

Solar Energy Center, 14pp. ASHRAE Journal, May 2009, pp 8 Transactions 95(1), pp 269-280. ASHRAE Journal, May 2009, ppcomfort prediction tool. ASHRAE Journal, September, 39-42.

Arens, Edward; Turner, Stephen; Zhang, Hui; Paliaga, Gwelen

2009-01-01T23:59:59.000Z

369

Energy Integration Visualization Room (Fact Sheet)  

SciTech Connect

This two-page fact sheet describes the new Energy Integration Visualization Room in the ESIF and talks about some of the capabilities and unique visualization features of the the room.

Not Available

2012-08-01T23:59:59.000Z

370

A Framework for Visualizing Hierarchical Computations  

E-Print Network (OSTI)

, VTK, and one of its interpretive interfaces, Tcl/Tk. In addition to creating a visualization tool, we the Visualization Toolkit, VTK [18], and one of its interpretive interfaces, Tcl/Tk [16]. By using VTK we have been

Hamann, Bernd

371

Massive model visualization techniques: course notes  

Science Conference Proceedings (OSTI)

Interactive display and visualization of large geometric and textured models is becoming a fundamental capability. There are numerous application areas, including games, movies, CAD, virtual prototyping, and scientific visualization. One of observations ...

David Kasik; Andreas Dietrich; Enrico Gobbetti; Fabio Marton; Dinesh Manocha; Philipp Slusallek; Abe Stephens; Sung-Eui Yoon

2008-08-01T23:59:59.000Z

372

Visualization in Medicine: Theory, Algorithms, and Applications  

Science Conference Proceedings (OSTI)

Visualization in Medicine is the first book on visualization and its application to problems in medical diagnosis, education, and treatment. The book describes the algorithms, the applications and their validation (how reliable are the results?), ... Keywords: Computer Graphics

Bernhard Preim; Dirk Bartz

2007-06-01T23:59:59.000Z

373

Computer-Aided Light Sheet Flow Visualization  

Science Conference Proceedings (OSTI)

A computer-aided flow visualization process has been developed to analyze video images acquired from rotating and translating light sheet visualization systems.The computer process integrates a mathematical model for image reconstruction, advanced computer ...

Stacy Kathryn; Severance Kurt; Childers Brooks A.

1993-07-01T23:59:59.000Z

374

Operation Diagnostics: Use of Visualization Techniques and Operation  

NLE Websites -- All DOE Office Websites (Extended Search)

Operation Diagnostics: Use of Visualization Techniques and Operation Operation Diagnostics: Use of Visualization Techniques and Operation Patterns to Verify and Optimize Dynamic Building and System Operation Speaker(s): Oliver Baumann Date: December 7, 2004 - 12:00pm Location: Bldg. 90 Seminar Host/Point of Contact: Peng Xu Building automation systems (BAS) and building energy management systems (BEMS) have been used in modern edifices for the last 2 decades. These systems measure, process, and monitor a huge amount of data to operate the building and systems more or less properly. Often, the data is only used to signal failures or break-downs of systems or components. Further information of the data to analyze and diagnose the building operation is not used due to the lack of analysis methods and tools. Within the Operation Diagnostics, different visualization techniques are applied to

375

Advances in reactor physics education: Visualization of reactor parameters  

Science Conference Proceedings (OSTI)

Modern computer codes allow detailed neutron transport calculations. In combination with advanced 3D visualization software capable of treating large amounts of data in real time they form a powerful tool that can be used as a convenient modern educational tool for reactor operators, nuclear engineers, students and specialists involved in reactor operation and design. Visualization is applicable not only in education and training, but also as a tool for fuel management, core analysis and irradiation planning. The paper treats the visualization of neutron transport in different moderators, neutron flux and power distributions in two nuclear reactors (TRIGA type research reactor and a typical PWR). The distributions are calculated with MCNP and CORD-2 computer codes and presented using Amira software. (authors)

Snoj, L.; Kromar, M.; Zerovnik, G. [Josef Stefan Inst., Jamova cesta 39, SI-1000 Ljubljana (Slovenia)

2012-07-01T23:59:59.000Z

376

Visually Impaired Transcript for Math Handbook Video  

Science Conference Proceedings (OSTI)

VISUALLY IMPAIRED TRANSCRIPT for Math Handbook Video. ... Hand stops on the NIST Handbook of Mathematical Functions as it is mentioned. ...

377

Computer simulation and scientific visualization  

SciTech Connect

The simulation of processes in engineering and the physical sciences has progressed rapidly over the last several years. With rapid developments in supercomputers, parallel processing, numerical algorithms and software, scientists and engineers are now positioned to quantitatively simulate systems requiring many billions of arithmetic operations. The need to understand and assimilate such massive amounts of data has been a driving force in the development of both hardware and software to create visual representations of the underling physical systems. In this paper, and the accompanying videotape, the evolution and development of the visualization process in scientific computing will be reviewed. Specific applications and associated imaging hardware and software technology illustrate both the computational needs and the evolving trends. 6 refs.

Weber, D.P.; Moszur, F.M.

1990-01-01T23:59:59.000Z

378

Microsoft VisualBasic.Net Professional Projects  

Science Conference Proceedings (OSTI)

From the Publisher:Incorporating five hands-on projects, Microsoft Visual Basic .NET Professional Projects is your key to unlocking the power of Visual Basic .NET. Each project focuses on a specific Visual Basic .NET concept and is based on a real-world ...

Kuljit Kaur; Pooja Bembey

2002-04-01T23:59:59.000Z

379

Visualization of Salt-Induced Stress Perturbations  

Science Conference Proceedings (OSTI)

An important challenge encountered during post-processing of finite element analyses is the visualizing of three-dimensional fields of real-valued second-order tensors. Namely, as finite element meshes become more complex and detailed, evaluation and ... Keywords: Mohry's circles, finite element codes and simulations, tensor field visualization, visual debugging

Patricia Crossno; David H. Rogers; Rebecca M. Brannon; David Coblentz

2004-10-01T23:59:59.000Z

380

Interactive visual supports for children with autism  

Science Conference Proceedings (OSTI)

Interventions to support children with autism often include the use of visual supports, which are cognitive tools to enable learning and the production of language. Although visual supports are effective in helping to diminish many of the challenges ... Keywords: Assistive technology, Autism, Capture and access, Education, Visual supports

Gillian R. Hayes; Sen Hirano; Gabriela Marcu; Mohamad Monibi; David H. Nguyen; Michael Yeganyan

2010-10-01T23:59:59.000Z

Note: This page contains sample records for the topic "visual comfort analysis" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


381

Cognitive Foundations for Visual Analytics  

SciTech Connect

In this report, we provide an overview of scientific/technical literature on information visualization and VA. Topics discussed include an update and overview of the extensive literature search conducted for this study, the nature and purpose of the field, major research thrusts, and scientific foundations. We review methodologies for evaluating and measuring the impact of VA technologies as well as taxonomies that have been proposed for various purposes to support the VA community. A cognitive science perspective underlies each of these discussions.

Greitzer, Frank L.; Noonan, Christine F.; Franklin, Lyndsey

2011-02-25T23:59:59.000Z

382

Visualizing the protein sequence universe  

Science Conference Proceedings (OSTI)

Modern biology is experiencing a rapid increase in data volumes that challenges our analytical skills and existing cyberinfrastructure. Exponential expansion of the Protein Sequence Universe (PSU), the protein sequence space, together with the costs ... Keywords: azure, blast, cog, computational bioinformatics, data visualization, data-enabled life sciences, delsa, em, hadoop, hive, mapreduce, mpi, multidimensional scaling, needleman-wunsch, protein annotation, protein sequence universe, psu, sammon, sequence similarity, twister, uniprot, uniref

Larissa Stanberry, Roger Higdon, Winston Haynes, Natali Kolker, William Broomall, Saliya Ekanayake, Adam Hughes, Yang Ruan, Judy Qiu, Eugene Kolker, Geoffrey Fox

2012-06-01T23:59:59.000Z

383

Visualization and Modeling Working Group  

Science Conference Proceedings (OSTI)

During the 2005 Hurricane season, many consequence predictions were available from 36 to 96 hours before landfalls, via the Department of Energys Visualization and Modeling Working Group (VMWG). Real-time data can be tapped by local officials and utilities, and can also be accessed for post-event regulatory audits. An overview of VMWGs models, results and uses will be presented.

Fernandez, S.J. (LANL); Dodrill, K.A.

2007-03-01T23:59:59.000Z

384

Visualizing Gene Expression In Situ  

Science Conference Proceedings (OSTI)

Visualizing bacterial cells and describing their responses to the environment are difficult tasks. Their small size is the chief reason for the difficulty, which means that we must often use many millions of cells in a sample in order to determine what the average response of the bacteria is. However, an average response can sometimes mask important events in bacterial physiology, which means that our understanding of these organisms will suffer. We have used a variety of instruments to visualize bacterial cells, all of which tell us something different about the sample. We use a fluorescence activated cell sorter to sort cells based on the fluorescence provided by bioreporter genes, and these can be used to select for particular genetic mutations. Cells can be visualized by epifluorescent microscopy, and sensitive photodetectors can be added that allow us to find a single bacterial cell that is fluorescent or bioluminescent. We have also used standard photomultipliers to examine cell aggregates as field bioreporter microorganisms. Examples of each of these instruments show how our understanding of bacterial physiology has changed with the technology.

Burlage, R.S.

1998-11-02T23:59:59.000Z

385

Visualization  

Science Conference Proceedings (OSTI)

... The IVR systems take advantage of human skills at pattern recognition by providing a more natural environment where a stereoscopic display ...

2011-12-05T23:59:59.000Z

386

Image-based Visual Servoing Image-based Visual Servoing  

E-Print Network (OSTI)

With "standard" cameras Basics x IL IR CL CR xL xR eL eR CR RCL ,CR tCL E Hartley (2003) #12;Image-based VisualR eL eR CR RCL ,CR tCL E Coordinate transformation: CR x =CR RCL CL x +CR tCL Epipolar plane: (oCL , oCR , x) CR x CR tCL ?CR RCL CL x = 0 Projection (in camera coordinates!) Ci x = fi Ci z Ci x with i {L

Moeller, Ralf

387

APPENDIX B: VISUALIZATION, PHOTO ANALYSIS & SHADOW FLICKER ANALYSIS  

NLE Websites -- All DOE Office Websites (Extended Search)

(155') Cell Tower Behind Indian Hills Drive Cell Tower Off of Washington Street (Also See Tall Tower Map and Tables Below) Appendix B Attachment B1 Copyright 2010: Conserve...

388

Study on Advanced Visualization Tools In Network Monitoring Platform  

Science Conference Proceedings (OSTI)

Visualization tools have emerged as a critical component, especially in medical, education, engineering, military and environmental management. These fields have applied the visualization techniques to improve decision making and organization management ... Keywords: data visualization, network traffic visualization, network monitoring

Doris Wong Hooi Ten; Selvakumar Manickam; Sureswaran Ramadass; Hussein A. Al Bazar

2009-11-01T23:59:59.000Z

389

2012 M. Scott Shell 1/16 last modified 5/29/2012 Visualizing molecular simulations ChE210D  

E-Print Network (OSTI)

and distributions alone. It is often through a visual analysis of a system that one formulates mechanistic ideas. Alternative visualization software There are many freely available packages for visualizing molecular systems. UCSF Chimera is perhaps the most complete in terms of coming pre-loaded with many movie

Shell, M. Scott

390

Visualization on supercomputing platform level II ASC milestone (3537-1B) results from Sandia.  

SciTech Connect

This report provides documentation for the completion of the Sandia portion of the ASC Level II Visualization on the platform milestone. This ASC Level II milestone is a joint milestone between Sandia National Laboratories and Los Alamos National Laboratories. This milestone contains functionality required for performing visualization directly on a supercomputing platform, which is necessary for peta-scale visualization. Sandia's contribution concerns in-situ visualization, running a visualization in tandem with a solver. Visualization and analysis of petascale data is limited by several factors which must be addressed as ACES delivers the Cielo platform. Two primary difficulties are: (1) Performance of interactive rendering, which is most computationally intensive portion of the visualization process. For terascale platforms, commodity clusters with graphics processors(GPUs) have been used for interactive rendering. For petascale platforms, visualization and rendering may be able to run efficiently on the supercomputer platform itself. (2) I/O bandwidth, which limits how much information can be written to disk. If we simply analyze the sparse information that is saved to disk we miss the opportunity to analyze the rich information produced every timestep by the simulation. For the first issue, we are pursuing in-situ analysis, in which simulations are coupled directly with analysis libraries at runtime. This milestone will evaluate the visualization and rendering performance of current and next generation supercomputers in contrast to GPU-based visualization clusters, and evaluate the performance of common analysis libraries coupled with the simulation that analyze and write data to disk during a running simulation. This milestone will explore, evaluate and advance the maturity level of these technologies and their applicability to problems of interest to the ASC program. Scientific simulation on parallel supercomputers is traditionally performed in four sequential steps: meshing, partitioning, solver, and visualization. Not all of these components are necessarily run on the supercomputer. In particular, the meshing and visualization typically happen on smaller but more interactive computing resources. However, the previous decade has seen a growth in both the need and ability to perform scalable parallel analysis, and this gives motivation for coupling the solver and visualization.

Geveci, Berk (Kitware, Inc., Clifton Park, NY); Fabian, Nathan; Marion, Patrick (Kitware, Inc., Clifton Park, NY); Moreland, Kenneth D.

2010-09-01T23:59:59.000Z

391

A geoscience perspective on immersive 3D gridded data visualization  

Science Conference Proceedings (OSTI)

We describe visualization software, Visualizer, that was developed specifically for interactive, visual exploration in immersive virtual reality (VR) environments. Visualizer uses carefully optimized algorithms and data structures to support the high ... Keywords: 3D data visualization, Immersive visualization, Interactive exploration, Virtual reality

Magali I. Billen; Oliver Kreylos; Bernd Hamann; Margarete A. Jadamec; Louise H. Kellogg; Oliver Staadt; Dawn Y. Sumner

2008-09-01T23:59:59.000Z

392

Designing Educationally Effective Algorithm Visualizations  

E-Print Network (OSTI)

Despite the intuitively compelling adage "a picture is worth a thousand words," attempts over the past decade to use animations to explain algorithms to students have produced disappointing results. In most cases interesting algorithm animations were designed, but no formal, systematic evaluations were conducted. When such evaluations were performed the results were mixed, with compelling evidence for the instructional superiority of algorithm animations failing to emerge. It is in this context that we embarked on a research program to develop educationally effective algorithm visualizations. This program was based on the premise that animations needed to be embedded in a knowledge and context providing hypermedia environment in order to effectively harness their power to enhance learning. This paper describes the architecture of the resulting Hypermedia Algorithm Visualization system HalVis. Four empirical studies with HalVis are described, which demonstrated that the extent of learning exhibited by students who used HalVis was significantly greater than that of students who used means of traditional instruction or a typical algorithm animation.

Steven Hansen; N. Hari Narayanan; Mary Hegarty

2002-01-01T23:59:59.000Z

393

A Flexible Approach for the Statistical Visualization of Ensemble Data  

SciTech Connect

Scientists are increasingly moving towards ensemble data sets to explore relationships present in dynamic systems. Ensemble data sets combine spatio-temporal simulation results generated using multiple numerical models, sampled input conditions and perturbed parameters. While ensemble data sets are a powerful tool for mitigating uncertainty, they pose significant visualization and analysis challenges due to their complexity. We present a collection of overview and statistical displays linked through a high level of interactivity to provide a framework for gaining key scientific insight into the distribution of the simulation results as well as the uncertainty associated with the data. In contrast to methods that present large amounts of diverse information in a single display, we argue that combining multiple linked statistical displays yields a clearer presentation of the data and facilitates a greater level of visual data analysis. We demonstrate this approach using driving problems from climate modeling and meteorology and discuss generalizations to other fields.

Potter, K; Wilson, A; Bremer, P; Williams, D; Pascucci, V; Johnson, C

2009-09-29T23:59:59.000Z

394

Using Data Analytics & Visualization on Eurka/Gadzooks | Argonne Leadership  

NLE Websites -- All DOE Office Websites (Extended Search)

Data Analytics & Visualization on Eurka/Gadzooks Data Analytics & Visualization on Eurka/Gadzooks As with BG/P, the machine is split into two parts. Eureka is on the Intrepid file system, and Gadzooks is on the Surveyor file system, so you can process your files without moving them. More information on Eureka and Gadzooks can be found in their system guide. Data Analysis and Visualization Resources Visit ParaView (Client/Server) ParaView (Standalone) Visualization-Related Presentations Getting Started: Visualization Overview ParaView: Stand-alone tutorial, using Red Blood Cell Data ParaView: Client/Server Mode on Eureka ParaView Red Blood Cell Tutorial on Eureka/Gadzooks ParaView on the Data Analytics Cluster on Eureka/Gadzooks Using Visit on Eureka/Gadzooks ‹ Software and Libraries on Eureka/Gadzooks up ParaView Red Blood Cell

395

A common path forward for the immersive visualization community  

Science Conference Proceedings (OSTI)

Immersive visualization makes use of the medium of virtual reality (VR) - it is a subset of virtual reality focused on the application of VR technologies to scientific and information visualization. As the name implies, there is a particular focus on the physically immersive aspect of VR that more fully engages the perceptual and kinesthetic capabilities of the scientist with the goal of producing greater insight. The immersive visualization community is uniquely positioned to address the analysis needs of the wide spectrum of domain scientists who are becoming increasingly overwhelmed by data. The outputs of computational science simulations and high-resolution sensors are creating a data deluge. Data is coming in faster than it can be analyzed, and there are countless opportunities for discovery that are missed as the data speeds by. By more fully utilizing the scientists visual and other sensory systems, and by offering a more natural user interface with which to interact with computer-generated representations, immersive visualization offers great promise in taming this data torrent. However, increasing the adoption of immersive visualization in scientific research communities can only happen by simultaneously lowering the engagement threshold while raising the measurable benefits of adoption. Scientists time spent immersed with their data will thus be rewarded with higher productivity, deeper insight, and improved creativity. Immersive visualization ties together technologies and methodologies from a variety of related but frequently disjoint areas, including hardware, software and human-computer interaction (HCI) disciplines. In many ways, hardware is a solved problem. There are well established technologies including large walk-in systems such as the CAVE{trademark} and head-based systems such as the Wide-5{trademark}. The advent of new consumer-level technologies now enable an entirely new generation of immersive displays, with smaller footprints and costs, widening the potential consumer base. While one would be hard-pressed to call software a solved problem, we now understand considerably more about best practices for designing and developing sustainable, scalable software systems, and we have useful software examples that illuminate the way to even better implementations. As with any research endeavour, HCI will always be exploring new topics in interface design, but we now have a sizable knowledge base of the strengths and weaknesses of the human perceptual systems and we know how to design effective interfaces for immersive systems. So, in a research landscape with a clear need for better visualization and analysis tools, a methodology in immersive visualization that has been shown to effectively address some of those needs, and vastly improved supporting technologies and knowledge of hardware, software, and HCI, why hasn't immersive visualization 'caught on' more with scientists? What can we do as a community of immersive visualization researchers and practitioners to facilitate greater adoption by scientific communities so as to make the transition from 'the promise of virtual reality' to 'the reality of virtual reality'.

Eric A. Wernert; William R. Sherman; Patrick O'Leary; Eric Whiting

2012-03-01T23:59:59.000Z

396

Visual Analytics and Storytelling through Video  

SciTech Connect

This paper supplements a video clip submitted to the Video Track of IEEE Symposium on Information Visualization 2005. The original video submission applies a two-way storytelling approach to demonstrate the visual analytics capabilities of a new visualization technique. The paper presents our video production philosophy, describes the plot of the video, explains the rationale behind the plot, and finally, shares our production experiences with our readers.

Wong, Pak C.; Perrine, Kenneth A.; Mackey, Patrick S.; Foote, Harlan P.; Thomas, Jim

2005-10-31T23:59:59.000Z

397

Guided Text Search Using Adaptive Visual Analytics  

SciTech Connect

This research demonstrates the promise of augmenting interactive visualizations with semi- supervised machine learning techniques to improve the discovery of significant associations and insights in the search and analysis of textual information. More specifically, we have developed a system called Gryffin that hosts a unique collection of techniques that facilitate individualized investigative search pertaining to an ever-changing set of analytical questions over an indexed collection of open-source documents related to critical national infrastructure. The Gryffin client hosts dynamic displays of the search results via focus+context record listings, temporal timelines, term-frequency views, and multiple coordinate views. Furthermore, as the analyst interacts with the display, the interactions are recorded and used to label the search records. These labeled records are then used to drive semi-supervised machine learning algorithms that re-rank the unlabeled search records such that potentially relevant records are moved to the top of the record listing. Gryffin is described in the context of the daily tasks encountered at the US Department of Homeland Security s Fusion Center, with whom we are collaborating in its development. The resulting system is capable of addressing the analysts information overload that can be directly attributed to the deluge of information that must be addressed in the search and investigative analysis of textual information.

Steed, Chad A [ORNL; Symons, Christopher T [ORNL; Senter, James K [ORNL; DeNap, Frank A [ORNL

2012-10-01T23:59:59.000Z

398

Visually Impaired Transcript for Transtac Video  

Science Conference Proceedings (OSTI)

... VISUAL: Fade up from black to scene from the Star Trek television series. Captain Kirk is speaking to an alien energy being using a universal ...

2010-10-05T23:59:59.000Z

399

Visually Impaired Transcript for Firefighter Video  

Science Conference Proceedings (OSTI)

... VISUAL: Firefighters are seen in front of the door to the NIST Fire Test House getting ready to conduct a performance test. ...

2010-10-05T23:59:59.000Z

400

Visual Patent Search - Energy Innovation Portal  

Welcome to the Energy Innovation Portal's Visual Patent Search tool. This tool is designed to provide a facilitated search of the patent content ...

Note: This page contains sample records for the topic "visual comfort analysis" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


401

VERDE: Visualizing Energy Resources Dynamically on Earth ...  

Technology Marketing Summary VERDE is a software application utilizing the Google Earth(c) platform to provide real time visualization of the electric ...

402

Shelling Out Evidence Visually Impaired Transcript  

Science Conference Proceedings (OSTI)

... VISUAL: Dissolve to credits (five pages). Text on screens read as follows: Still images, animations and video used with permission by: ...

2012-08-08T23:59:59.000Z

403

Collaboration Topics - Visualization | National Nuclear Security...  

National Nuclear Security Administration (NNSA)

Federal Employment Apply for Our Jobs Our Jobs Working at NNSA Blog The National Nuclear Security Administration Collaboration Topics - Visualization Home > About Us > Our...

404

Visual Patent Search - Energy Innovation Portal  

Welcome to the Energy Innovation Portal's Visual Patent Search tool. This tool is designed to provide a facilitated search of the patent content contained in the ...

405

Interaction Junk: User Interaction-Based Evaluation of Visual Analytic Systems  

Science Conference Proceedings (OSTI)

With the growing need for visualization to aid users in understanding large, complex datasets, the ability for users to interact and explore these datasets is critical. As visual analytic systems have advanced to leverage powerful computational models and data analytics capabilities, the modes by which users engage and interact with the information are limited. Often, users are taxed with directly manipulating parameters of these models through traditional GUIs (e.g., using sliders to directly manipulate the value of a parameter). However, the purpose of user interaction in visual analytic systems is to enable visual data exploration where users can focus on their task, as opposed to the tool or system. As a result, users can engage freely in data exploration and decision-making, for the purpose of gaining insight. In this position paper, we discuss how evaluating visual analytic systems can be approached through user interaction analysis, where the goal is to minimize the cognitive translation between the visual metaphor and the mode of interaction (i.e., reducing the Interactionjunk). We motivate this concept through a discussion of traditional GUIs used in visual analytics for direct manipulation of model parameters, and the importance of designing interactions the support visual data exploration.

Endert, Alexander; North, Chris

2012-10-14T23:59:59.000Z

406

NERSC "Visualization Greenbook" Future visualization needs of the DOE computational science community hosted at NERSC  

E-Print Network (OSTI)

NERSC Visualization Greenbook Future Visualization NeedsScience Community Hosted at NERSC Report Prepared by: BerndDavis E. Wes Bethel, LBNL/NERSC Horst Simon, LBNL/NERSC Juan

Hamann, Bernd; Bethel, E. Wes; Simon, Horst; Meza, Juan

2002-01-01T23:59:59.000Z

407

Visually simulating realistic fluid motion  

E-Print Network (OSTI)

In this thesis we investigate various methods for visually simulating fluid flow. The focus is on implementing effective fluid simulation within an interactive animation system. Two implementations have been developed based on derivations and simplifications of the Navier-Stokes' equations. The first implementation is the most accurate and follows the physics of fluid dynamics more closely. However, the high computation times incurred by this implementation make it inappropriate as an interactive method. The second approach is not as accurate as the first one, however it incurs lower computation times. This second method is only able to model a subset of the total fluid behavior. The second method has been integrated into an interactive modeling and animation environment. Several examples are included.

Naithani, Priyanka

2002-01-01T23:59:59.000Z

408

GPU-accelerated 2D point cloud visualization using smooth splines for visual analytics applications  

Science Conference Proceedings (OSTI)

We develop an efficient point cloud visualization framework. For efficient navigation in the visualization, we introduce a spline-based technique for the smooth approximation of discrete distance field data. Implemented on the GPU, the approximation ... Keywords: hardware acceleration, point cloud visualization, spline approximation, transfer function

Thomas Kalbe; Tatiana Tekuov; Tobias Schreck; Frank Zeilfelder

2008-04-01T23:59:59.000Z

409

Visualization for modeling and simulation: problems of visualization of technological processes  

Science Conference Proceedings (OSTI)

This paper deals with problems of visualization of dynamic phenomena. An effort to develop new visualization schemes has been described. The main idea is to extend approaches used in the case of visualization of phenomena of static nature into an environment ...

Pavel Slavik; Marek Gayer; Frantisek Hrdlicka; Ondrej Kubelka

2003-12-01T23:59:59.000Z

410

Query-Driven Visualization of Time-Varying Adaptive Mesh Refinement Data  

Science Conference Proceedings (OSTI)

The visualization and analysis of AMR-based simulations is integral to the process of obtaining new insight in scientific research. We present a new method for performing query-driven visualization and analysis on AMR data, with specific emphasis on time-varying AMR data. Our work introduces a new method that directly addresses the dynamic spatial and temporal properties of AMR grids which challenge many existing visualization techniques. Further, we present the first implementation of query-driven visualization on the GPU that uses a GPU-based indexing structure to both answer queries and efficiently utilize GPU memory. We apply our method to two different science domains to demonstrate its broad applicability.

Gosink, Luke J.; Anderson, John C.; Bethel, E. Wes; Joy, Kenneth I.

2008-08-01T23:59:59.000Z

411

SciDAC Visualization and Analytics Center for EnablingTechnologies  

SciTech Connect

The Visualization and Analytics Center for EnablingTechnologies (VACET) focuses on leveraging scientific visualization andanalytics software technology as an enabling technology for increasingscientific productivity and insight. Advances in computational technologyhave resulted in an 'information big bang,' which in turn has created asignificant data understanding challenge. This challenge is widelyacknowledged to be one of the primary bottlenecks in contemporaryscience. The vision of VACET is to adapt, extend, create when necessary,and deploy visual data analysis solutions that are responsive to theneeds of DOE'scomputational and experimental scientists. Our center isengineered to be directly responsive to those needs and to deliversolutions for use in DOE's large open computing facilities. The researchand development directly target data understanding problems provided byour scientific application stakeholders. VACET draws from a diverse setof visualization technology ranging from production quality applicationsand application frameworks to state-of-the-art algorithms forvisualization, analysis, analytics, data manipulation, and datamanagement.

Bethel, E. Wes; Johnson, Chris; Joy, Ken; Ahern, Sean; Pascucci,Valerio; Childs, Hank; Cohen, Jonathan; Duchaineau, Mark; Hamann, Bernd; Hansen, Charles; Laney, Dan; Lindstrom, Peter; Meredith, Jermey; Ostrouchov, George; Parker, Steven; Silva, Claudio; Sanderson, Allen; Tricoche, Xavier.

2007-06-30T23:59:59.000Z

412

PQuad: Visualization of Predicted Peptides and Proteins  

Science Conference Proceedings (OSTI)

New high-throughput proteomic techniques generate data faster than biologists can analyze it. Hidden within this massive and complex data are answers to basic questions about how cells function. The data afford an opportunity to take a global or systems ... Keywords: visualization, metaphor, context, proteomics, differential proteomics, difference visualization

Susan L. Havre; Mudita Singhal; Deborah A. Payne; Bobbie-Jo M. Webb-Robertson

2004-10-01T23:59:59.000Z

413

Taking scientific visualization to the masses  

SciTech Connect

The paper offers the premise that scientific visualization capabilities are generally available only to a limited subset of scientists. Several reasons for this are presented. The paper describes a collaborative project between scientists of the Defense Nuclear Agency and computer scientists at Los Alamos National Laboratory. This project's goal is to get visualization capabilities into the hands of many more scientists.

Vigil, M.; Bouchier, S.

1991-01-01T23:59:59.000Z

414

The Evolving Leadership Path of Visual Analytics  

Science Conference Proceedings (OSTI)

This is a requested book chapter for an internationally authored book on visual analytics and related fields, coordianted by a UK university and to be published by Springer in 2012. This chapter is an overview of the leadship strategies that PNNL's Jim Thomas and other stakeholders used to establish visual analytics as a field, and how those strategies may evolve in the future.

Kluse, Michael; Peurrung, Anthony J.; Gracio, Deborah K.

2012-01-02T23:59:59.000Z

415

Beginning Visual Basic 2010, 1st edition  

Science Conference Proceedings (OSTI)

This book is designed to teach you how to write useful programs in Visual Basic 2010 as quickly and easily as possible. There are two kinds of beginners for whom this book is ideal: You're a beginner to programming and you've chosen Visual Basic 2010 ...

Thearon Willis; Bryan Newsome

2010-03-01T23:59:59.000Z

416

The 9th Asian Symposium on Visualization  

Science Conference Proceedings (OSTI)

The 9th Asian Symposium on Visualization (9ASV) was successfully held in Hong Kong from 4th to 8th June 2007. The total number of 191 participants from 14 countries/regions attended the Symposium, of which 174 were foreign participants worldwide outside ... Keywords: Asian Symposium, HKUST, Hong Kong, Visualization

C. T. Hsu; H. H. Qiu

2007-12-01T23:59:59.000Z

417

Visualization and Diagnostics of Thermal Plasma Flows  

Science Conference Proceedings (OSTI)

Flow visualization is a key tool for the study of thermal plasma flows. Because of their high temperature and associated self emission, standard and high speed photography is commonly used for flow and temperature field visualization. Tracer techniques ... Keywords: d.c. plasma jet, enthalpy probe techniques, induction plasma, laser strobe, photographic techniques, schlieren, thermal plasma flows

M. I. Boulos

2001-01-01T23:59:59.000Z

418

Field Guide: Visual Inspection of Polymer Insulators  

Science Conference Proceedings (OSTI)

The Field Guide: Visual Inspection of Polymer Insulators visually catalogs the various condition issues that commonly affect transmission line polymer insulators (also known as composite or non-ceramic insulators (NCIs)). The guide is conveniently organized according to the portion of the polymer insulator affected, and includes a section on failure modes, indicating the key features and root ...

2013-10-28T23:59:59.000Z

419

Refining visualization reference model for context information  

Science Conference Proceedings (OSTI)

Context-awareness can be used to decrease the need for interaction with a mobile device. This is increasingly important since the functionality of mobile devices and personal digital assistants gets more and more complex while the input and output capabilities ... Keywords: Context awareness, Hand-held devices, Information visualization, Mobile phones, Visualization reference model

Antti Aaltonen; Juha Lehikoinen

2005-11-01T23:59:59.000Z

420

Scale and complexity in visual analytics  

Science Conference Proceedings (OSTI)

The fundamental problem that we face is that a variety of large-scale problems in security, public safety, energy, ecology, health care and basic science all require that we process and understand increasingly vast amounts and variety of data. There ... Keywords: analytics, scalability, visual analytics, visualization

George Robertson; David Ebert; Stephen Eick; Daniel Keim; Ken Joy

2009-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "visual comfort analysis" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


421

Visual Stimulation and Electroencephalogram under Scotopic Vision  

Science Conference Proceedings (OSTI)

Abstract --We tested the visual sensitivity of 15 healthy subjects under scotopic vision using flickering stimulus on the Liquid crystal display (LCD) with a light-emitting diode (LED) backlight (LED-LCD) panel. This test was made to know; 1) if LED-LCD ... Keywords: Scotopic vision, Light emission display, Visually evoked potential (VEP), Optimization, component, formatting

Wuon-Shik Kim; Hye-Rim Oh; Hyoung-Min Choi; Ji-Soo Hwang; Seong Nam Park; Hyun Kyoon Lim

2011-07-01T23:59:59.000Z

422

Visual simulation of ice crystal growth  

Science Conference Proceedings (OSTI)

The beautiful, branching structure of ice is one of the most striking visual phenomena of the winter landscape. Yet there is little study about modeling this effect in computer graphics. In this paper, we present a novel approach for visual simulation ...

Theodore Kim; Ming C. Lin

2003-07-01T23:59:59.000Z

423

CONCH: A Visual Basic program for interactive processing of ion-microprobe analytical data  

Science Conference Proceedings (OSTI)

A Visual Basic program for flexible, interactive processing of ion-microprobe data acquired for quantitative trace element, ^2^6Al-^2^6Mg, ^5^3Mn-^5^3Cr, ^6^0Fe-^6^0Ni and U-Th-Pb geochronology applications is described. Default but editable run-tables ... Keywords: Data reduction, Geochronology, Isotope analysis, Radiometric age, SHRIMP, SIMS, Secondary ion mass spectrometry, Visual Basic

David R. Nelson

2006-11-01T23:59:59.000Z

424

Visual Patent Search | Open Energy Information  

Open Energy Info (EERE)

Visual Patent Search Visual Patent Search Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Visual Patent Search Agency/Company /Organization: United States Department of Energy Sector: Energy Resource Type: Software/modeling tools User Interface: Website Website: techportal.eere.energy.gov/ Country: United States Web Application Link: techportal.eere.energy.gov/VPS/index.html Cost: Free OpenEI Keyword(s): Energy Efficiency and Renewable Energy (EERE) Tools UN Region: Northern America Language: English Visual Patent Search Screenshot References: Energy Innovation Portal[1] Visually explore patents with Dept. of Energy funding. This tool helps you easily browse the over 16,000 issued U.S. patents and published U.S. patent applications for Energy Department-funded

425

First Generation ASCI Production Visualization Environments  

SciTech Connect

The delivery of the first one tera-operations/sec computer has significantly impacted production data visualization, affecting data transfer, post processing, and rendering. Terascale computing has motivated a need to consider the entire data visualization system; improving a single algorithm is not sufficient. This paper presents a systems approach to decrease by a factor of four the time required to prepare large data sets for visualization.For daily production use, all stages in the processing pipeline from physics simulation code to pixels on a screen, must be balanced to yield good overall performance. Also, to complete the data path from screen to the analyst's eye, user display systems for individuals and teams are examined. Performance of the initial visualization system is compared with recent improvements. Lessons learned from the coordinated deployment of improved algorithms are also discussed, including the need for 64 bit addressing and a fully parallel data visualization pipeline.

Heermann, P.D.

1999-04-08T23:59:59.000Z

426

First Generation ASCI Production Visualization Environments  

SciTech Connect

The delivery of the first one tera-operations/sec computer has significantly impacted production data visualization, affecting data transfer, post processing, and rendering. Terascale computing has motivated a need to consider the entire data visualization system; improving a single algorithm is not sufficient. This paper presents a systems approach to decrease by a factor of four the time required to prepare large data sets for visualization.For daily production use, all stages in the processing pipeline from physics simulation code to pixels on a screen, must be balanced to yield good overall performance. Also, to complete the data path from screen to the analyst's eye, user display systems for individuals and teams are examined. Performance of the initial visualization system is compared with recent improvements. Lessons learned from the coordinated deployment of improved algorithms are also discussed, including the need for 64 bit addressing and a fully parallel data visualization pipeline.

Heermann, P.D.

1999-04-08T23:59:59.000Z

427

Presented by Visualization at ORNL's  

E-Print Network (OSTI)

- Bioenergy - Material science - Nuclear energy - Astrophysics - Geographic information systems - ... · Focus_LCFViz_0711 #12;· Support MD data analysis for - Bioenergy - Material science - Drug modeling · Vis

428

Weighted graph comparison techniques for brain connectivity analysis  

Science Conference Proceedings (OSTI)

The analysis of brain connectivity is a vast field in neuroscience with a frequent use of visual representations and an increasing need for visual analysis tools. Based on an in-depth literature review and interviews with neuroscientists, we explore ... Keywords: brain connectivity analysis, brain connectivity visualization, graph comparison

Basak Alper; Benjamin Bach; Nathalie Henry Riche; Tobias Isenberg; Jean-Daniel Fekete

2013-04-01T23:59:59.000Z

429

Visualization at Supercomputing Centers: The Tale of Little Big Iron and the Three Skinny Guys  

SciTech Connect

Supercomputing Centers (SC's) are unique resources that aim to enable scientific knowledge discovery through the use of large computational resources, the Big Iron. Design, acquisition, installation, and management of the Big Iron are activities that are carefully planned and monitored. Since these Big Iron systems produce a tsunami of data, it is natural to co-locate visualization and analysis infrastructure as part of the same facility. This infrastructure consists of hardware (Little Iron) and staff (Skinny Guys). Our collective experience suggests that design, acquisition, installation, and management of the Little Iron and Skinny Guys does not receive the same level of treatment as that of the Big Iron. The main focus of this article is to explore different aspects of planning, designing, fielding, and maintaining the visualization and analysis infrastructure at supercomputing centers. Some of the questions we explore in this article include:"How should the Little Iron be sized to adequately support visualization and analysis of data coming off the Big Iron?" What sort of capabilities does it need to have?" Related questions concern the size of visualization support staff:"How big should a visualization program be (number of persons) and what should the staff do?" and"How much of the visualization should be provided as a support service, and how much should applications scientists be expected to do on their own?"

Bethel, E. Wes; van Rosendale, John; Southard, Dale; Gaither, Kelly; Childs, Hank; Brugger, Eric; Ahern, Sean

2010-12-01T23:59:59.000Z

430

A heterogeneous graphics procedure for visualization of massively parallel solutions  

SciTech Connect

Scientific visualization is playing an increasingly important role in the analysis and interpretation of massively parallel CFD simulations due to the enormous volume of data that can be generated on these machines. In this paper we will describe the development of a visualization technique based on a parallel analogue to the Marching Cubes algorithm. The algorithm has been developed for Multiple-Instruction, Multiple-Data (MIMD) massively parallel computers and is designed to take advantage of the heterogeneous programming capabilities of the MIMD architecture. We examine several different configurations and conclude that for producing animations the best one, in terms of both frame generation time and disk usage, is to run the two applications heterogeneously and send the resulting geometry description directly to a workstation for rendering, thereby totally eliminating the use of files from the animation process.

1993-01-01T23:59:59.000Z

431

A heterogeneous graphics procedure for visualization of massively parallel solutions  

SciTech Connect

Scientific visualization is playing an increasingly important role in the analysis and interpretation of massively parallel CFD simulations due to the enormous volume of data that can be generated on these machines. In this paper we will describe the development of a visualization technique based on a parallel analogue to the Marching Cubes algorithm. The algorithm has been developed for Multiple-Instruction, Multiple-Data (MIMD) massively parallel computers and is designed to take advantage of the heterogeneous programming capabilities of the MIMD architecture. We examine several different configurations and conclude that for producing animations the best one, in terms of both frame generation time and disk usage, is to run the two applications heterogeneously and send the resulting geometry description directly to a workstation for rendering, thereby totally eliminating the use of files from the animation process.

1993-03-01T23:59:59.000Z

432

MUVA: a flexible visualization architecture for multiple client platforms  

Science Conference Proceedings (OSTI)

Information visualization techniques are invaluable tools in numerous applications such as those involving large databases and document collections. Ubiquitous usage of such techniques can provide universal access to complex information. The main goal ... Keywords: data visualization, multiplatform, visualization architecture

Lea Skorin-Kapov; Hrvoje Komericki; Maja Matijasevic; Igor Pandzic; Miran Mosmondor

2005-03-01T23:59:59.000Z

433

Modeling interactive, 3-dimensional information visualizations supporting information seeking behaviors  

Science Conference Proceedings (OSTI)

Information visualization and knowledge visualization use comparable techniques and methods. Based on mapping rules, resource objects are translated into visual objects as meaningful representations, offering easy and comprehensive access. Whereas information ...

Gerald Jaeschke; Martin Leissler; Matthias Hemmje

2005-01-01T23:59:59.000Z

434

VisFiles: the next surge of visualization research  

Science Conference Proceedings (OSTI)

It has been twenty years since the surge of visualization research following the publication of the report on Visualization in Scientific Computing by the U.S. National Science Foundation (NSF) in 1987. Visualization has become a mature discipline, and ...

Kwan-Liu Ma

2007-08-01T23:59:59.000Z

435

C H A P T E R E L E V E N Visualizing DNA Replication  

E-Print Network (OSTI)

.5. Replication reaction and imaging 268 2.6. Data analysis 269 3. Fluorescence Visualization of DNA Replication.3. Replication reaction and imaging 273 3.4. Data analysis 275 Acknowledgments 277 References 277 Abstract Recent the coverslips in the jars with deionized water and fill with 1 M potassium hydroxide (KOH). Sonicate again

436

3D visualization of port simulation.  

SciTech Connect

Affordable and realistic three dimensional visualization technology can be applied to large scale constructive simulations such as the port simulation model, PORTSIM. These visualization tools enhance the experienced planner's ability to form mental models of how seaport operations will unfold when the simulation model is implemented and executed. They also offer unique opportunities to train new planners not only in the use of the simulation model but on the layout and design of seaports. Simulation visualization capabilities are enhanced by borrowing from work on interface design, camera control, and data presentation. Using selective fidelity, the designers of these visualization systems can reduce their time and efforts by concentrating on those features which yield the most value for their simulation. Offering the user various observational tools allows the freedom to simply watch or engage in the simulation without getting lost. Identifying the underlying infrastructure or cargo items with labels can provide useful information at the risk of some visual clutter. The PortVis visualization expands the PORTSIM user base which can benefit from the results provided by this capability, especially in strategic planning, mission rehearsal, and training. Strategic planners will immediately reap the benefits of seeing the impact of increased throughput visually without keeping track of statistical data. Mission rehearsal and training users will have an effective training tool to supplement their operational training exercises which are limited in number because of their high costs. Having another effective training modality in this visualization system allows more training to take place and more personnel to gain an understanding of seaport operations. This simulation and visualization training can be accomplished at lower cost than would be possible for the operational training exercises alone. The application of PORTSIM and PortVis will lead to more efficient planning overall and ultimately increase port utilization and throughput, decreasing the amount of time required to transport cargo from its origin to its final destination.

Horsthemke, W. H.; Macal, C. M.; Nevins, M. R.

1999-06-14T23:59:59.000Z

437

Gates/filters in Flow Cytometry Data Visualization  

E-Print Network (OSTI)

The flowViz package provides tools for visualization of flow cytometry data. This document describes the support for visualizing gates (a.k.a. filters). 1

unknown authors

2010-01-01T23:59:59.000Z

438

Gates/filters in Flow Cytometry Data Visualization  

E-Print Network (OSTI)

The flowViz package provides tools for visualization of flow cytometry data. This document describes the support for visualizing gates (a.k.a. filters). 1

unknown authors

2012-01-01T23:59:59.000Z

439

Widget:Motion Chart Visualizations | Open Energy Information  

Open Energy Info (EERE)

Motion Chart Visualizations Jump to: navigation, search Widget to display Google motion charts on OpenEI. Usage: Widget:Motion Chart Visualizations |configgeneralunitedstates...

440

Analysis of the Energy Consumption of VAV System in Different Supply Air Control Strategies  

Science Conference Proceedings (OSTI)

Variable air volume (VAV) system has been widely applied due to its characteristics of eminent energy saving and thermal comfort. Because of its above characteristics, sophisticated automatic control systems are required to support its operation. While ... Keywords: VAV A/C system, supply air control strategy, energy consumption analysis

Junjie Guo, Xiangxin Cheng

2012-07-01T23:59:59.000Z

Note: This page contains sample records for the topic "visual comfort analysis" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


441

A technique for creating new visual phenomena  

E-Print Network (OSTI)

This paper outlines a technique for creating new visual phenomena by proposing a systematic method of using existing media in novel manners. The technique involve s the random and purposeful manipulation of person-media ...

Ritter, Donald

1988-01-01T23:59:59.000Z

442

Bio-Synthetic Wall Systems Visualization  

NLE Websites -- All DOE Office Websites (Extended Search)

Bio-Synthetic Wall Systems Visualization Speaker(s): Maria-Paz Gutierrez Date: December 16, 2008 - 10:00am Location: 90-3075 Seminar HostPoint of Contact: Michael Donn...

443

Visual Tracking of Real World Objects  

E-Print Network (OSTI)

This paper describes the progress made towards tracking an object visually using a PIN diode attached to a dual mirror deflection system which enables the PIN diode to "optically point" to any position in two-space. A ...

Speckert, Glen

444

3D Data Visualization on the Web  

Science Conference Proceedings (OSTI)

This paper explains the advantage of using low-cost, configurable, data visualization components, which can be embedded and distributed in electronic documents and reports. With the increasing use of electronic documents, distributed by Intranet and ...

Mikael Jern

1998-10-01T23:59:59.000Z

445

Visualization & Engineering Design Graphics with Augmented Reality  

Science Conference Proceedings (OSTI)

Visualization and Engineering Design Graphics with Augmented Reality is designed as a learning tool to help the aspiring engineer learn the language of engineering graphics. In this regard, this book is hardly unique, as there have been literally hundreds ...

Jorge Dorribo Camba, Jeffrey Otey, Manuel Contero, Mariano Alcaniz

2013-04-01T23:59:59.000Z

446

Introducing FRED, Enabling Unique Visualization and Manipulation...  

Open Energy Info (EERE)

Member 20 May, 2013 - 14:28 FRED Free Energy Data Map OpenEI Tool Visualization The U.S. Department of Energy, the Pacific Northwest National Laboratory, and the Planetary...

447

Visualization of vibration experienced in offshore platforms  

E-Print Network (OSTI)

In this thesis, I design and evaluate methods to optimize the visualization of vortex-induced vibration (VIV) in marine risers. VIV is vibration experienced by marine risers in offshore drilling platforms due to ocean ...

Patrikalakis, Alexander Marinos Charles

2010-01-01T23:59:59.000Z

448

Visualizing Multiple Measures of Forecast Quality  

Science Conference Proceedings (OSTI)

A method for visually representing multiple measures of dichotomous (yesno) forecast quality (probability of detection, false alarm ratio, bias, and critical success index) in a single diagram is presented. Illustration of the method is provided ...

Paul J. Roebber

2009-04-01T23:59:59.000Z

449

Interindividual Variation in Human Visual Performance  

Science Conference Proceedings (OSTI)

The responses of 20 young adult emmetropes with normal color vision were measured on a battery of visual performance tasks. Using previously documented tests of known reliability, we evaluated orientation discrimination, contrast sensitivity, wavelength ...

Scott D. Halpern; Timothy J. Andrews; Dale Purves

1999-09-01T23:59:59.000Z

450

Comparing visual features for morphing based recognition  

E-Print Network (OSTI)

This thesis presents a method of object classification using the idea of deformable shape matching. Three types of visual features, geometric blur, C1 and SIFT, are used to generate feature descriptors. These feature ...

Wu, Jia Jane

2005-01-01T23:59:59.000Z

451

Tailored displays to compensate for visual aberrations  

E-Print Network (OSTI)

We introduce tailored displays that enhance visual acuity by decomposing virtual objects and placing the resulting anisotropic pieces into the subject's focal range. The goal is to free the viewer from needing wearable ...

Pamplona, Vitor F.

452

Visualizations, Screen Shots, and Data Input Files from VisIT  

DOE Data Explorer (OSTI)

VisIt is a free interactive parallel visualization and graphical analysis tool for viewing scientific data on Unix and PC platforms. Users can quickly generate visualizations from their data, animate them through time, manipulate them, and save the resulting images for presentations. VisIt contains a rich set of visualization features so that you can view your data in a variety of ways. It can be used to visualize scalar and vector fields defined on two- and three-dimensional (2D and 3D) structured and unstructured meshes. VisIt was designed to handle very large data set sizes in the terascale range and yet can also handle small data sets in the kilobyte range. The VisIT website provides a gallery of vizualizations, another set of screen shots, and allows downloads of data files for input and source codes and executables for the VisIT software suite.

453

Building Adoption of Visual Analytics Software  

Science Conference Proceedings (OSTI)

Adoption of technology is always difficult. Issues such as having the infrastructure necessary to support the technology, training for users, integrating the technology into current processes and tools, and having the time, managerial support, and necessary funds need to be addressed. In addition to these issues, the adoption of visual analytics tools presents specific challenges that need to be addressed. This paper discusses technology adoption challenges and approaches for visual analytics technologies.

Chinchor, Nancy; Cook, Kristin A.; Scholtz, Jean

2012-01-05T23:59:59.000Z

454

Visualization of parallel molecular dynamics simulation on a remote visualization platform  

SciTech Connect

Visualization requires high performance computers. In order to use these shared high performance computers located at national centers, the authors need an environment for remote visualization. Remote visualization is a special process that uses computing resources and data that are physically distributed over long distances. In their experimental environment, a parallel raytracer is designed for the rendering task. It allows one to efficiently visualize molecular dynamics simulations represented by three dimensional ball-and-stick models. Different issues encountered in creating their platform are discussed, such as I/O, load balancing, and data distribution.

Lee, T.Y.; Raghavendra, C.S. [Washington State Univ., Pullman, WA (United States); Nicholas, J.B. [Pacific Northwest Lab., Richland, WA (United States). Molecular Science Research Center

1994-09-01T23:59:59.000Z

455

Pricing the Internet - A visual 3-Dimensional Evaluation Model  

E-Print Network (OSTI)

We develop a novel visual approach to evaluating an Internet pricing scheme using a 3Dmetric model, which encompasses the dimensions of technical complexity, economic efficiency and social impact. We review the history of Internet pricing research over the last decade, summarizing the key features of the most significant models, and analyzing and evaluating them using our 3D model. Based on the analysis results, we address and discuss important factors that have inhibited the deployment of the reviewed models and suggest what might be future Internet pricing solutions.

Thuy T.T. Nguyen; Grenville J. Armitage

2003-01-01T23:59:59.000Z

456

Flow visualization study of the MOD-2 wind turbine wake  

DOE Green Energy (OSTI)

The specific objectives of the study reported were: to determine the geometry of the MOD-2 wind turbine wake in terms of wake height and width as a function of downstream distance under two conditions of atmospheric stability; to estimate the mean velocity deficit at several downstream stations in the turbine wake; and to investigate the behavior of the rotor-generated vortices, particularly their configuration and persistence. The background of the wake problem is briefly examined, including a discussion of the critical issues that the flow visualization study addresses. Experimental techniques and data analysis methods are described in detail. (LEW)

Liu H.T.; Waite, J.W.; Hiester, T.R.; Tacheron, P.H.; Srnsky, R.A.

1983-06-01T23:59:59.000Z

457

Visualizing DIII-D Tokamak magnetic field lines  

Science Conference Proceedings (OSTI)

Keywords: graphics hardware, haloed lines, illuminated lines, interactive visualization, magentic field, plasma physics, tokamak

Greg Schussman; Kwan-Liu Ma; David Schissel; Todd Evans

2000-10-01T23:59:59.000Z

458

A CAD model based tracking system for visually guided microassembly  

Science Conference Proceedings (OSTI)

We present a visual feedback method for closed loop control of automated microassembly. A CAD model based multi-camera visual tracking system that is well suited for flexible automation and assembly of complex 3D geometries was developed. The system ... Keywords: CAD, Microassembly, Micromanipulation, Visual servoing, Visual tracking

Kemal Berk Yesin; Bradley J. Nelson

2005-07-01T23:59:59.000Z

459

Past Project on Visualization and Virtual Reality for ...  

Science Conference Proceedings (OSTI)

NAME: Visualization and Virtual Reality for Manufacturing CONTACT: Sandy Ressler, sandy.ressler@nist.gov IMPETUS ...

460

NREL: Energy Analysis - Chris Webber  

NLE Websites -- All DOE Office Websites (Extended Search)

is a member of the Data Analysis and Visualization Group in the Strategic Energy Analysis Center. Senior Cloud Engineer On staff since April 2011 Phone number: 303-275-4238...

Note: This page contains sample records for the topic "visual comfort analysis" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


461

NREL: Energy Analysis - Jenny Melius  

NLE Websites -- All DOE Office Websites (Extended Search)

of the Data Analysis and Visualization Group in the Strategic Energy Analysis Center. GIS Scientist II On staff since May 2011 Phone number: 303-275-4661 E-mail:...

462

Graphical Contingency Analysis Tool - Energy Innovation Portal  

Technology Marketing Summary The Graphical Contingency Analysis (GCA) Tool is a visual analytic software tool that aids power grid operators and ...

463

Failure Analysis of a Motorcycle Footrest  

Science Conference Proceedings (OSTI)

Using finite element analysis (FEA) coupled with visual inspection and ... Stage 2 HPT Disk/Shaft Initiated by Special Cause Event - Electrical Arcing Damage.

464

Using High-Speed WANs and Network Data Caches to Enable Remote and Distributed Visualization  

Science Conference Proceedings (OSTI)

Visapult is a prototype application and framework for remote visualization of large scientific datasets. We approach the technical challenges of tera-scale visualization with a unique architecture that employs high speed WANs and network data caches for data staging and transmission. This architecture allows for the use of available cache and compute resources at arbitrary locations on the network. High data throughput rates and network utilization are achieved by parallelizing I/O at each stage in the application, and by pipe-lining the visualization process. On the desktop, the graphics interactivity is effectively decoupled from the latency inherent in network applications. We present a detailed performance analysis of the application, and improvements resulting from field-test analysis conducted as part of the DOE Combustion Corridor project.

Bethel, Wes; Lau, Stephen; Tierney, Brian; Lee, Jason; Gunter, Dan

2000-04-18T23:59:59.000Z

465

Visualizing Electric Vehicle Sales | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Visualizing Electric Vehicle Sales Visualizing Electric Vehicle Sales Visualizing Electric Vehicle Sales July 25, 2013 - 2:48pm Addthis Data compiled by Yan (Joann) Zhou at Argonne National Laboratory. (*) Sales from the second quarter of 2013 for Tesla Model S are based off of estimates provided by the Hybrid Market Dashboard. Data updated 9/25/2013. Daniel Wood Daniel Wood Data Integration Specialist More on eGallon: Read more about electric vehicle sales and eGallon's continued consistency. Check out our first blog post on the eGallon launch. Read the eGallon Q&A to learn more about the new tool. Last week, we reported on how electric vehicle sales have taken off in the last few months as prices have dropped and more manufacturers install fast charging stations across the country. Using the data we released last week, we created an interactive chart that

466

Visualizing Electric Vehicle Sales | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Visualizing Electric Vehicle Sales Visualizing Electric Vehicle Sales Visualizing Electric Vehicle Sales July 25, 2013 - 2:48pm Addthis Data compiled by Yan (Joann) Zhou at Argonne National Laboratory. (*) Sales from the second quarter of 2013 for Tesla Model S are based off of estimates provided by the Hybrid Market Dashboard. Data updated 9/25/2013. Daniel Wood Daniel Wood Data Integration Specialist More on eGallon: Read more about electric vehicle sales and eGallon's continued consistency. Check out our first blog post on the eGallon launch. Read the eGallon Q&A to learn more about the new tool. Last week, we reported on how electric vehicle sales have taken off in the last few months as prices have dropped and more manufacturers install fast charging stations across the country. Using the data we released last week, we created an interactive chart that

467

Visual Specification of Complex Database Actions  

E-Print Network (OSTI)

The paper presents an approach to specify in an integrated way by visual, diagrammatic languages the structural and behavioural aspects of database applications. Hereby, well-known extended Entity-Relationship diagrams are employed to specify the structural aspects. The behavioural aspects of a database application are specified by using ViAL (Visual Action Language). ViAL specifications are a special kind of data (or better object) flow diagrams, where so-called elementary actions are used as basic building blocks. These elementary actions are automatically derived from a given EER diagram. They guarantee that after finishing their execution all inherent integrity constraints are fulfilled. The paper explains the features of the language ViAL and gives some illustrating examples. 1 Introduction Nowadays, semantic data models are regarded as convenient means to specify database applications [11]. Most of these approaches offer corresponding visual specification languages which eases b...

Gregor Engels; Perdita Lhr

1994-01-01T23:59:59.000Z

468

Variable Interactions in Query-Driven Visualization  

SciTech Connect

One fundamental element of scientific inquiry is discoveringrelationships, particularly the interactions between different variablesin observed or simulated phenomena. Building upon our prior work in thefield of Query-Driven Visualization, where visual data analysisprocessing is focused on subsets of large data deemed to be"scientifically interesting," this new work focuses on a novel knowledgediscovery capability suitable for use with petascale class datasets. Itenables visual presentation of the presence or absence of relationships(correlations) between variables in data subsets produced by Query-Drivenmethodologies. This technique holds great potential for enablingknowledge discovery from large and complex datasets currently emergingfrom SciDAC and INCITE projects. It is sufficiently generally to beapplicable to any time of complex, time-varying, multivariate data fromstructured, unstructured or adaptive grids.

Bethel, E. Wes; Gosink, Luke J.; Anderson, John C.; Joy, Kenneth I.

2007-10-25T23:59:59.000Z

469

SOLERAS - Saudi University Solar Cooling Laboratories Project: King Faisal University. Design and analysis study. Volume 2. Appendixes I-VI  

DOE Green Energy (OSTI)

Documents supporting the proposed construction of a passively cooled house at King Faisal University in Saudi Arabia are presented. The papers include the following topics: comfort measurements; cooling methods and strategies for hot/arid climates; ventilation design; solar hot water heaters; backup HVAC equipment specifications; and computer printouts for design review and analysis. (BCS)

Not Available

1985-01-01T23:59:59.000Z

470

Web-Based Visual Analytics for Social Media  

Science Conference Proceedings (OSTI)

Social media provides a rich source of data that reflects current trends and public opinion on a multitude of topics. The data can be harvested from Twitter, Facebook, Blogs, and other social applications. The high rate of adoption of social media has created a domain that has an ever expanding volume of data that make it difficult to use the raw data for analysis. Information visual analytics is key in drawing out features of interest in social media. The Scalable Reasoning System is an application that couples a back end server performing analysis algorithms and an intuitive front end visualization to allow for investigation. We provide a componentized system that can be rapidly adapted to customer needs such that the information they are most interested in is brought to their attention through the application. To this end, we have developed a social media application for use by emergency operations for the city of Seattle to show current weather and traffic trends which is important for their tasks.

Best, Daniel M.; Bruce, Joseph R.; Dowson, Scott T.; Love, Oriana J.; McGrath, Liam R.

2012-05-20T23:59:59.000Z

471

Visualizing Diurnal Population Change in Urban Areas for Emergency Management  

SciTech Connect

There is an increasing need for a quick, simple method to represent diurnal population change in metropolitan areas for effective emergency management and risk analysis. Many geographic studies rely on decennial U.S. Census data that assume that urban populations are static in space and time. This has obvious limitations in the context of dynamic geographic problems. The U.S. Department of Transportation publishes population data at the transportation analysis zone level in fifteen-minute increments. This level of spatial and temporal detail allows for improved dynamic population modeling. This article presents a methodology for visualizing and analyzing diurnal population change for metropolitan areas based on this readily available data. Areal interpolation within a geographic information system is used to create twenty-four (one per hour) population surfaces for the larger metropolitan area of Salt Lake County, Utah. The resulting surfaces represent diurnal population change for an average workday and are easily combined to produce an animation that illustrates population dynamics throughout the day. A case study of using the method to visualize population distributions in an emergency management context is provided using two scenarios: a chemical release and a dirty bomb in Salt Lake County. This methodology can be used to address a wide variety of problems in emergency management.

Kobayashi, Tetsuo [University of Utah; Medina, Richard M [ORNL; Cova, Thomas [University of Utah

2011-01-01T23:59:59.000Z

472

CAD-driven microassembly and visual servoing  

Science Conference Proceedings (OSTI)

This paper describes current research and development on a robotic visual servoing system for assembly of LIGA (Lithography Galvonoforming Abforming) parts. The workcell consists of an AMTI robot, precision stage, long working distance microscope, and LIGA fabricated tweezers for picking up the parts. Fourier optics methods are used to generate synthetic microscope images from CAD drawings. These synthetic images are used off-line to test image processing routines under varying magnifications and depths of field, They also provide reference image features which are used to visually servo the part to the desired position.

Feddema, J.T.; Simon, R.W.

1998-03-10T23:59:59.000Z

473

Visualization at Supercomputing Centers: The Tale of Little Big Iron and the Three Skinny Guys  

SciTech Connect

Supercomputing centers are unique resources that aim to enable scientific knowledge discovery by employing large computational resources - the 'Big Iron.' Design, acquisition, installation, and management of the Big Iron are carefully planned and monitored. Because these Big Iron systems produce a tsunami of data, it's natural to colocate the visualization and analysis infrastructure. This infrastructure consists of hardware (Little Iron) and staff (Skinny Guys). Our collective experience suggests that design, acquisition, installation, and management of the Little Iron and Skinny Guys doesn't receive the same level of treatment as that of the Big Iron. This article explores the following questions about the Little Iron: How should we size the Little Iron to adequately support visualization and analysis of data coming off the Big Iron? What sort of capabilities must it have? Related questions concern the size of visualization support staff: How big should a visualization program be - that is, how many Skinny Guys should it have? What should the staff do? How much of the visualization should be provided as a support service, and how much should applications scientists be expected to do on their own?

Bethel, E Wes [Lawrence Berkeley National Laboratory (LBNL); Brugger, Eric [Lawrence Livermore National Laboratory (LLNL)

2011-01-01T23:59:59.000Z

474

An interactive parallel coordinates technique applied to a tropical cyclone climate analysis  

Science Conference Proceedings (OSTI)

A highly interactive visual analysis system is presented that is based on an enhanced variant of parallel coordinates - a multivariate information visualization technique. The system combines many variations of previously described visual interaction ... Keywords: Climate study, Geovisualization, Hurricane, Multivariate information visualization, Parallel coordinates

Chad A. Steed; Patrick J. Fitzpatrick; T. J. Jankun-Kelly; Amber N. Yancey; J. Edward Swan II

2009-07-01T23:59:59.000Z

475

Visualizing Situational Data: Applying Information Fusion for Detecting Social-Ecological Events  

Science Conference Proceedings (OSTI)

As anthropogenic and environmental behaviors rapidly evolve many ecosystems and communities, managers of natural resources, scientists, and other stakeholders increasingly need tools that can rapidly alert them to emerging events that can affect social ... Keywords: data mining, decision support, events, information fusion, social-ecological, text analysis, visualization

Mark R. Altaweel; Lillian N. Alessa; Andrew D. Kliskey

2010-11-01T23:59:59.000Z

476

Visual information seeking in multiple electronic health records: design recommendations and a process model  

Science Conference Proceedings (OSTI)

Current electronic health record (EHR) systems facilitate the storage, retrieval, persistence, and sharing of patient data. However, the way physicians interact with EHRs has not changed much. More specifically, support for temporal analysis of a large ... Keywords: design requriements, electronic health records, human-computer interaction (hci), information visualization

Taowei David Wang; Krist Wongsuphasawat; Catherine Plaisant; Ben Shneiderman

2010-11-01T23:59:59.000Z

477

Determining surface orientation from fixated eye position and angular visual extent  

E-Print Network (OSTI)

Determining surface orientation from fixated eye position and angular visual extent Nicola J computer vision algorithms can be used to determine surface orientation information, most re­ quire of sur­ face orientation. A sensitivity analysis based on accuracy of eye po­ sition control parameters

Sheridan, Jennifer

478

Experimental Evaluation of Electric Power Grid Visualization Tools in the EIOC  

SciTech Connect

The present study follows an initial human factors evaluation of four electric power grid visualization tools and reports on an empirical evaluation of two of the four tools: Graphical Contingency Analysis, and Phasor State Estimator. The evaluation was conducted within specific experimental studies designed to measure the impact on decision making performance.

Greitzer, Frank L.; Dauenhauer, Peter M.; Wierks, Tamara G.; Podmore, Robin; Dalton, Angela C.

2009-12-01T23:59:59.000Z

479

Universal Design of Auditory Graphs: A Comparison of Sonification Mappings for Visually Impaired and Sighted Listeners  

Science Conference Proceedings (OSTI)

Determining patterns in data is an important and often difficult task for scientists and students. Unfortunately, graphing and analysis software typically is largely inaccessible to users with vision impairment. Using sound to represent data (i.e., sonification ... Keywords: Magnitude estimation, auditory display, visually impaired

B. N. Walker; L. M. Mauney

2010-03-01T23:59:59.000Z

480

Tool Support for Visualizing CSP in UML  

Science Conference Proceedings (OSTI)

In this paper, we propose an approach to translating UML to CSP that allows one to utilize both UML and CSP in a system design. To do so, we divide the visualization task based on three aspects of CSP: (i) the dynamics behavior, (ii) the static architecture, ... Keywords: CSP, UML, class diagram, state diagram

Muan Yong Ng; Michael J. Butler

2002-10-01T23:59:59.000Z

Note: This page contains sample records for the topic "visual comfort analysis" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


481

Visualizing Motion in Potential Wells* Pratibha Jolly  

E-Print Network (OSTI)

1 Visualizing Motion in Potential Wells* Pratibha Jolly Department of Physics, University of Delhi well potential diagrams using either the velocity data and assuming conservation of energy or the force wells on the one hand and establishing the relationship between the operative forces and the potential

Zollman, Dean

482

Interactive Visualization of Mobile Network Simulations  

E-Print Network (OSTI)

and the segmentation and quantificationof brain tumor volumes. The purpose of this report is to detail the work I have1 Interactive Visualization of Mobile Network Simulations & 3D Segmentation and Quantification. J. P. Brockway 08 May 2002 #12;2 Table of Contents Chapter 1: Introduction 1-2 Chapter 2

Subramanian, Kalpathi R.

483

Adding parallelism to visual data flow programs  

Science Conference Proceedings (OSTI)

Programming in parallel is an error-prone and complex task compounded by the lack of tool support for both programming and debugging. Recent advances in compiler-directed shared memory APIs, such as OpenMP, have made shared-memory parallelism more widely ... Keywords: data flow, parallel, visual language

Philip Cox; Simon Gauvin; Andrew Rau-Chaplin

2005-05-01T23:59:59.000Z

484

Using decision trees to recognize visual events  

Science Conference Proceedings (OSTI)

This paper presents a classifier-based approach to recognize events in video surveillance sequences. The aim of this work is to propose a generic event recognition system that can be used without relying on a long-term tracking procedure. It is composed ... Keywords: activity recognition, automated visual surveillance system, randomized decision trees

Cedric Simon; Jerome Meessen; Christophe De Vleeschouwer

2008-10-01T23:59:59.000Z

485

A Visual Language for Data Mapping  

SciTech Connect

I discuss a visual programming language and environment for doing data mapping between textual data files. Our experience using the environment is documented, as well as many of the constructs we used in the environment. I relate problems and solutions, and pose some questions to the readers of this document and the workshop.

Carlson, J

2001-08-10T23:59:59.000Z

486

Future trends in oil and gas visualization  

Science Conference Proceedings (OSTI)

The question that this panel wishes to explore is: What are the future visualization trends and requirements for the oil and gas industry to efficiently handle and explore the ever-increasing volume and variety of available data?It has been proven many ...

Francine Evans; William Volz; Geoffrey Dorn; Bernd Frhlich; David M Roberts

2002-10-01T23:59:59.000Z

487

MCSD TestPrep: Visual Basic 6  

Science Conference Proceedings (OSTI)

From the Publisher:MCSD TestPrep: Visual Basic 6 provides study questions, in-depth and focused review, and test-taking strategies. Chapters are organized by the objective areas on the exam. Individual objective sections open with an explanation ...

David Panagrosso; Owen Williams; Mary Foote

1998-12-01T23:59:59.000Z

488

Field Guide: Visual Inspection of Steel Structures  

Science Conference Proceedings (OSTI)

This EPRI report, one in a series of practical guides designed as reference aids for utility personnel working in the field, visually catalogs the various condition issues that commonly affect transmission line steel structures. The scope includes steel poles, lattice structures, connections, foundations, weathering steel, and coatings.ObjectiveStructural conditions commonly encountered by utility personnel in the field ...

2012-12-11T23:59:59.000Z

489

Electronic poster: visualizing multiscale simulation data  

Science Conference Proceedings (OSTI)

Accurately modeling many physical and biological systems requires simulating at multiple scales. This results in large and heterogeneous data sets on vastly differing scales, both physical and temporal. Here we look specifically at blood flow in a patient-specific ... Keywords: modeling, multi-scale, visualization

Joseph A. Insley; Leopold Grinberg; Michael E. Papka; George Karniadakis

2011-11-01T23:59:59.000Z

490

Consistent visual words mining with adaptive sampling  

Science Conference Proceedings (OSTI)

State-of-the-art large-scale object retrieval systems usually combine efficient Bag-of-Words indexing models with a spatial verification re-ranking stage to improve query performance. In this paper we propose to directly discover spatially verified visual ...

Pierre Letessier; Olivier Buisson; Alexis Joly

2011-04-01T23:59:59.000Z

491

Challenge: mobile optical networks through visual MIMO  

Science Conference Proceedings (OSTI)

Mobile optical communications has so far largely been limited to short ranges of about ten meters, since the highly directional nature of optical transmissions would require costly mechanical steering mechanisms. Advances in CCD and CMOS imaging technology ... Keywords: computer vision, line of sight(los), optical communication, rf communication, visual mimo

Ashwin Ashok; Marco Gruteser; Narayan Mandayam; Jayant Silva; Michael Varga; Kristin Dana

2010-09-01T23:59:59.000Z

492

A Visual Agent for Performance Graphics  

E-Print Network (OSTI)

Visual Agents are software entities which assist people in performing graphical tasks. One useful and interesting graphical task is to make a textand -graphic record of a group meeting. When the recording is done live in view of the group on a large display, such as on a whiteboard, it is a performing art which can be called "Group Graphics. " During group graphics, collaboration is enhanced because the group members can see the record as it is being made, offering suggestions and corrections. And if graphic recording of this kind takes place on a large computer display, then visual agents can be brought into play. Presented in this paper is a visual agent which acts as a whiteboard assistant for group graphics, helping a person to graphically record the conversation and concepts of a working group on a large display. 1 Context: Performance Text-Graphics on the Big Screen The long term goal of this work has been to construct a visual medium which will support the improvisational crea...

Fred Lakin

1994-01-01T23:59:59.000Z

493

Enhancing Law Enforcement Using Data & Visual Analytics  

E-Print Network (OSTI)

Authority of New York and New Jersey (PA NY/NJ), Pacific Northwest National Labs (PNNL), Intuidex will integrate visual analytics methods developed at PNNL to mine valuable links between entities in order Authority of New York and New Jersey (PA NY/NJ) · Pacific Northwest National Laboratory (PNNL) · Intuidex

494

Visual Reasoning With Graphs Yusuf Pisan  

E-Print Network (OSTI)

in a number of areas: to explain complex mechanical and dynamic systems[5,2,6,8], to solve geometry to understand and reason using diagrams to communicate effectively with people. This paper explains how line]. Diagrams serve both as devices to aid in visualization of the situation[14] and as short-term fast access

Forbus, Kenneth D.

495

Outdoor Visual Position Estimation for Planetary Rovers  

Science Conference Proceedings (OSTI)

This paper describes (1) a novel, effective algorithm for outdoor visual position estimation; (2) the implementation of this algorithm in the Viper system; and (3) the extensive tests that have demonstrated the superior accuracy and speed of ... Keywords: computer vision, mobile robots, position estimation, space robotics

Fabio Cozman; Eric Krotkov; Carlos Guestrin

2000-09-01T23:59:59.000Z

496

Spectrogram analysis of genomes  

Science Conference Proceedings (OSTI)

We perform frequency-domain analysis in the genomes of various organisms using tricolor spectrograms, identifying several types of distinct visual patterns characterizing specific DNA regions. We relate patterns and their frequency characteristics to ... Keywords: DNA spectrograms, frequency-domain analysis, genome analysis

David Sussillo; Anshul Kundaje; Dimitris Anastassiou

2004-01-01T23:59:59.000Z

497

Application of Various HVAC Simulation Programs and Visual Tools to Commissioning  

E-Print Network (OSTI)

Various existing HVAC system simulation programs and visualization tools are considered to be potentially powerful tools for commissioning. Although not originally developed as commissioning tools, these programs facilitate the confirmation/comparison of HVAC system function and performance and enable detailed analysis of parameters influencing HVAC system performance. This paper investigates the functionality and ease of use of several such programs in support of the commissioning process. The investigation and assessment of simulation programs includes: Micro HASP, Micro ACSS, FACES, LCEM, HVACSIM+, TRNSYS, DOE-2, EnergyPlus and DeST and their visual tools.

Zheng, M.; Pan, S.

2007-01-01T23:59:59.000Z

498

Efficient Feature-Driven Visualization of Large-Scale Scientific Data  

Science Conference Proceedings (OSTI)

Very large, complex scientific data acquired in many research areas creates critical challenges for scientists to understand, analyze, and organize their data. The objective of this project is to expand the feature extraction and analysis capabilities to develop powerful and accurate visualization tools that can assist domain scientists with their requirements in multiple phases of scientific discovery. We have recently developed several feature-driven visualization methods for extracting different data characteristics of volumetric datasets. Our results verify the hypothesis in the proposal and will be used to develop additional prototype systems.

Lu, Aidong

2012-12-12T23:59:59.000Z

499

Musique concrte thinking in visual music practice: Audiovisual silence and noise, reduced listening and visual suspension  

Science Conference Proceedings (OSTI)

This article is based on my creative practice as an electroacoustic composer who has developed a practice of audiovisual composition broadly sited within the field of visual music. A brief contextual survey sites my work by first presenting a personal ...