Sample records for air-conditioning engineers promoting

  1. Seawater Air Conditioning for Downtown Engineering Project Manager

    E-Print Network [OSTI]

    Frandsen, Jannette B.

    Seawater Air Conditioning for Downtown Honolulu Scott Higa Engineering Project Manager Honolulu Seawater Air Conditioning, LLC Abstract As a tropical island state, Hawaii has a year-round demand for air conditioning. Conventional air conditioning systems are energy intensive and represent close to 50 percent

  2. Gas Powered Air Conditioning Absorption vs. Engine-Drive

    E-Print Network [OSTI]

    Phillips, J. N.

    1996-01-01T23:59:59.000Z

    It used to be that the only alternative to costly electric air conditioning was the double-effect gas-fired absorption chiller/heaters. Beginning in the 1980's, they were the "star" equipment promoted by gas companies throughout the nation. Although...

  3. air conditioning engineers: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    was performed to investigate the effects of air-fuel ratio, inlet boost pressure, hydrogen rich fuel reformate, and compression ratio on engine knock behavior. For each...

  4. air conditioning engineering: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    was performed to investigate the effects of air-fuel ratio, inlet boost pressure, hydrogen rich fuel reformate, and compression ratio on engine knock behavior. For each...

  5. 23.11.2014bo Akademi Univ -Thermal and Flow Engineering Piispankatu 8, 20500 Turku 1/36 7. Air conditioning, cooling towers

    E-Print Network [OSTI]

    Zevenhoven, Ron

    23.11.2014Åbo Akademi Univ - Thermal and Flow Engineering Piispankatu 8, 20500 Turku 1/36 7. Air conditioning, cooling towers Ron Zevenhoven Åbo Akademi University Thermal and Flow Engineering Laboratory Engineering Piispankatu 8, 20500 Turku 2/36 7.1 Humid air #12;23.11.2014 Åbo Akademi Univ - Thermal and Flow

  6. Gas -Fueled Engine-Driven Air Conditioning Systems for Commercial Buildings

    E-Print Network [OSTI]

    Lindsay, B. B.

    1987-01-01T23:59:59.000Z

    In 1985, the Gas Research Institute (GRI) initiated a program with Tecogen, Inc., to develop a nominal 150-ton gas-fueled engine-driven water chiller for commercial buildings. The packaged system has been designed, fabricated, and operated...

  7. Performance and evaluation of gas engine driven rooftop air conditioning equipment at the Willow Grove (PA) Naval Air Station

    SciTech Connect (OSTI)

    Armstrong, P.R.; Conover, D.R.

    1993-05-01T23:59:59.000Z

    In a field evaluation conducted for the US Department of Energy (DOE) Office of Federal Energy Management Program (FEMP), the Pacific Northwest Laboratory (PNL) examined the performance of a new US energy-related technology under the FEMP Test Bed Demonstration Program. The technology was a 15-ton natural gas engine driven roof top air conditioning unit. Two such units were installed on a naval retail building to provide space conditioning to the building. Under the Test Bed Demonstration Program, private and public sector interests are focused to support the installation and evaluation of new US technologies in the federal sector. Participating in this effort under a Cooperative Research and Development Agreement (CRADA) with DOE were the American Gas Cooling Center, Philadelphia Electric Company, Thermo King Corporation, and the US Naval Air Station at Willow Grove, Pennsylvania. Equipment operating and service data as well as building interior and exterior conditions were secured for the 1992 cooling season. Based on a computer assessment of the building using standard weather data, a comparison was made with the energy and operating costs associated with the previous space conditioning system. Based on performance during the 1992 cooling season and adjusted to a normal weather year, the technology will save the site $6,000/yr in purchased energy costs. An additional $9,000 in savings due to electricity demand ratchet charge reductions will also be realized. Detailed information on the technology, the installation, and the results of the technology test are provided to illustrate the advantages to the federal sector of using this technology. A history of the CRADA development process is also reported.

  8. Performance and evaluation of gas-engine-driven rooftop air conditioning equipment at the Willow Grove Naval Air Station. Final report (revised October 21, 1996)

    SciTech Connect (OSTI)

    Armstrong, P.R.; Katipamula, S.

    1996-10-01T23:59:59.000Z

    The performance was evaluated of a new US cooling technology that has been installed for the first time at a federal facility. The technology is a 15-ton natural gas-engine-driven rooftop air conditioning unit made by Thermo King. Two units were installed to serve the Navy Exchange at Willow Grove. The savings potential at Willow Grove is described and that in the federal sector estimated. Conditions for implementation are discussed. In summary, the new technology is generally cost-effective at sites where marginal electricity cost (per MBtu at the meter) is more than 4 times the marginal gas cost (per MBtu at the meter) and annual full-load-equivalent cooling hours exceed 2,000.

  9. TTProblem A Air Conditioning Machinery

    E-Print Network [OSTI]

    California at Berkeley, University of

    TTProblem A Air Conditioning Machinery Input file: ducts.in You are a technician for the Air Conditioning Machinery company (ACM). Unfortunately, when you arrive at a customer site to install some air conditioning ducts, you discover that you are running low on supplies. You have only six duct segments

  10. Performance and evaluation of gas engine driven rooftop air conditioning equipment at the Willow Grove (PA) Naval Air Station. Interim report, 1992 cooling season

    SciTech Connect (OSTI)

    Armstrong, P.R.; Conover, D.R.

    1993-05-01T23:59:59.000Z

    In a field evaluation conducted for the US Department of Energy (DOE) Office of Federal Energy Management Program (FEMP), the Pacific Northwest Laboratory (PNL) examined the performance of a new US energy-related technology under the FEMP Test Bed Demonstration Program. The technology was a 15-ton natural gas engine driven roof top air conditioning unit. Two such units were installed on a naval retail building to provide space conditioning to the building. Under the Test Bed Demonstration Program, private and public sector interests are focused to support the installation and evaluation of new US technologies in the federal sector. Participating in this effort under a Cooperative Research and Development Agreement (CRADA) with DOE were the American Gas Cooling Center, Philadelphia Electric Company, Thermo King Corporation, and the US Naval Air Station at Willow Grove, Pennsylvania. Equipment operating and service data as well as building interior and exterior conditions were secured for the 1992 cooling season. Based on a computer assessment of the building using standard weather data, a comparison was made with the energy and operating costs associated with the previous space conditioning system. Based on performance during the 1992 cooling season and adjusted to a normal weather year, the technology will save the site $6,000/yr in purchased energy costs. An additional $9,000 in savings due to electricity demand ratchet charge reductions will also be realized. Detailed information on the technology, the installation, and the results of the technology test are provided to illustrate the advantages to the federal sector of using this technology. A history of the CRADA development process is also reported.

  11. Alternatives to Electric Air Conditioning Systems

    E-Print Network [OSTI]

    Lindsay, B. B.; Koplow, M. D.

    1988-01-01T23:59:59.000Z

    of an engine-driven chiller is very fundamental. The electric motor: which drives the refrigerant compressor, is replaced with an engine. (Each prime mover has a shaft that rotates and transmits power.) Gas engine-driven chillers can capitalize... on the advances in compressor technology that have made electric air conditioning so attractive. The relative prices of natural gas and electricity will determine the best choice. An electric chiller may have a COP of 5.5. The gas engine chiller, because its...

  12. Lab Breakthrough: Desiccant Enhanced Evaporative Air Conditioning...

    Broader source: Energy.gov (indexed) [DOE]

    Desiccant Enhanced Evaporative Air Conditioning Lab Breakthrough: Desiccant Enhanced Evaporative Air Conditioning May 29, 2012 - 5:22pm Addthis This breakthrough combines desiccant...

  13. The investigation of exhaust powered, automotive air cycle air conditioning 

    E-Print Network [OSTI]

    Holley, James Andrew

    1978-01-01T23:59:59.000Z

    TEE INVESTIGATION OF EXHAUST POWERED, AUTOMOTIVE AIR CYCLE AIR CONDITIONING A Thesis James Andrew Holley Submitted to the Graduate College of Texas ASM University in partial fulfillment of the requirement for the degree of MASTER OF SCIENCE... August 1978 Major SubJect: Mechanical Engineering THE INVESTIGATION OF EXHAUST POWERED, AUTOMOTIVE AIR CYCLE AIR CONDITIONING A Thesis hy James Andrew Holley Approved as to style and content by: Chairman of Committee) (Head of Departm nt) Memb e...

  14. A New Approach to Industrial Air Conditioning

    E-Print Network [OSTI]

    Gravenstreter, T.

    1982-01-01T23:59:59.000Z

    -dryer Systems Division, has marketed industrial drying machinery. These heat reactivated dryers can handle latent loads in industrial air conditioning systems. Through waste heat conservation, air conditioning costs can be reduced 25 to 50%, with applications...

  15. High Energy Efficiency Air Conditioning

    SciTech Connect (OSTI)

    Edward McCullough; Patrick Dhooge; Jonathan Nimitz

    2003-12-31T23:59:59.000Z

    This project determined the performance of a new high efficiency refrigerant, Ikon B, in a residential air conditioner designed to use R-22. The refrigerant R-22, used in residential and small commercial air conditioners, is being phased out of production in developed countries beginning this year because of concerns regarding its ozone depletion potential. Although a replacement refrigerant, R-410A, is available, it operates at much higher pressure than R-22 and requires new equipment. R-22 air conditioners will continue to be in use for many years to come. Air conditioning is a large part of expensive summer peak power use in many parts of the U.S. Previous testing and computer simulations of Ikon B indicated that it would have 20 - 25% higher coefficient of performance (COP, the amount of cooling obtained per energy used) than R-22 in an air-cooled air conditioner. In this project, a typical new R-22 residential air conditioner was obtained, installed in a large environmental chamber, instrumented, and run both with its original charge of R-22 and then with Ikon B. In the environmental chamber, controlled temperature and humidity could be maintained to obtain repeatable and comparable energy use results. Tests with Ikon B included runs with and without a power controller, and an extended run for several months with subsequent analyses to check compatibility of Ikon B with the air conditioner materials and lubricant. Baseline energy use of the air conditioner with its original R-22 charge was measured at 90 deg F and 100 deg F. After changeover to Ikon B and a larger expansion orifice, energy use was measured at 90 deg F and 100 deg F. Ikon B proved to have about 19% higher COP at 90 deg F and about 26% higher COP at 100 deg F versus R-22. Ikon B had about 20% lower cooling capacity at 90 deg F and about 17% lower cooling capacity at 100 deg F versus R-22 in this system. All results over multiple runs were within 1% relative standard deviation (RSD). All of these values agree well with previous results and computer simulations of Ikon B performance versus R-22. The lower cooling capacity of Ikon B is not a concern unless a particular air conditioner is near its maximum cooling capacity in application. Typically, oversized A/C systems are installed by contractors to cover contingencies. In the extended run with Ikon B, which lasted about 4.5 months at 100 deg F ambient temperature and 68% compressor on time, the air conditioner performed well with no significant loss of energy efficiency. Post-run analysis of the refrigerant, compressor lubricant oil, compressor, compressor outlet tubing, and the filter/dryer showed minor effects but nothing that was considered significant. The project was very successful. All objectives were achieved, and the performance of Ikon B indicates that it can easily be retrofitted into R-22 air conditioners to give 15 - 20% energy savings and a 1 - 3 year payback of retrofit costs depending on location and use. Ikon B has the potential to be a successful commercial product.

  16. Air-Conditioning, Heating, and Refrigeration Institute (AHRI...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Air-Conditioning, Heating, and Refrigeration Institute (AHRI) Regulatory Burden RFI Air-Conditioning, Heating, and Refrigeration Institute (AHRI) Regulatory Burden RFI These...

  17. Alternative Refrigerants for Building Air Conditioning

    E-Print Network [OSTI]

    Bivens, D. B.

    1996-01-01T23:59:59.000Z

    The majority of building air conditioning has traditionally been achieved with vapor compression technology using CFC-I I or HCFC-22 as refrigerant fluids. CFC-11 is being successfully replaced by HCFC-123 (retrofit or new equipment) or by HFC- 134a...

  18. Study of long term options for electric vehicle air conditioning

    SciTech Connect (OSTI)

    Dieckmann, J.; Mallory, D. [Little (Arthur D.), Inc., Cambridge, MA (United States)

    1991-07-01T23:59:59.000Z

    There are strong incentives in terms of national energy and environmental policy to encourage the commercialization of electrically powered vehicles in the U.S. Among these incentives are reduced petroleum consumption, improved electric generation capacity utilization, reduced IC engine emissions, and, depending on the primary fuel used for electric power generation, reduced emissions of carbon dioxide. A basic requirement for successfully commercializing any motor vehicle in the US is provision of adequate passenger comfort heating and air conditioning (cooling). Although air conditioning is generally sold as optional equipment, in excess of 80% of the automobiles and small trucks sold in the US have air conditioning systems. In current, pre-commercial electric vehicles, comfort heating is provided by a liquid fuel fired heater that heats water which is circulated through the standard heater core in the conventional interior air handling unit. Air conditioning is provided by electric motor driven compressors, installed in a system having, perhaps, an {open_quotes}upsized{close_quotes} condenser and a standard evaporator (front and rear evaporators in some instances) installed in the conventional interior air handler. Although this approach is adequate in the near term for initial commercialization efforts, a number of shortcomings of this arrangement, as well as longer range concerns need to be addressed. In this project, the long term alternatives for cooling and heating electric vehicles effectively, efficiently (with minimum range penalties), and without adverse environmental impacts have been examined. Identification of options that can provide both heating and cooling is important, in view of the disadvantages of carrying separate heating and cooling systems in the vehicle.

  19. Study of long term options for electric vehicle air conditioning

    SciTech Connect (OSTI)

    Dieckmann, J.; Mallory, D. (Little (Arthur D.), Inc., Cambridge, MA (United States))

    1991-07-01T23:59:59.000Z

    There are strong incentives in terms of national energy and environmental policy to encourage the commercialization of electrically powered vehicles in the U.S. Among these incentives are reduced petroleum consumption, improved electric generation capacity utilization, reduced IC engine emissions, and, depending on the primary fuel used for electric power generation, reduced emissions of carbon dioxide. A basic requirement for successfully commercializing any motor vehicle in the US is provision of adequate passenger comfort heating and air conditioning (cooling). Although air conditioning is generally sold as optional equipment, in excess of 80% of the automobiles and small trucks sold in the US have air conditioning systems. In current, pre-commercial electric vehicles, comfort heating is provided by a liquid fuel fired heater that heats water which is circulated through the standard heater core in the conventional interior air handling unit. Air conditioning is provided by electric motor driven compressors, installed in a system having, perhaps, an [open quotes]upsized[close quotes] condenser and a standard evaporator (front and rear evaporators in some instances) installed in the conventional interior air handler. Although this approach is adequate in the near term for initial commercialization efforts, a number of shortcomings of this arrangement, as well as longer range concerns need to be addressed. In this project, the long term alternatives for cooling and heating electric vehicles effectively, efficiently (with minimum range penalties), and without adverse environmental impacts have been examined. Identification of options that can provide both heating and cooling is important, in view of the disadvantages of carrying separate heating and cooling systems in the vehicle.

  20. Central Air Conditioning | Department of Energy

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625govInstrumentstdmadapInactiveVisiting the TWPSuccessAlamos Laboratory NastasiPASTCentral Air Conditioning

  1. Magnetic Refrigeration Technology for High Efficiency Air Conditioning

    SciTech Connect (OSTI)

    Boeder, A; Zimm, C

    2006-09-30T23:59:59.000Z

    Magnetic refrigeration was investigated as an efficient, environmentally friendly, flexible alternative to conventional residential vapor compression central air conditioning systems. Finite element analysis (FEA) models of advanced geometry active magnetic regenerator (AMR) beds were developed to minimize bed size and thus magnet mass by optimizing geometry for fluid flow and heat transfer and other losses. Conventional and magnetocaloric material (MCM) regenerator fabrication and assembly techniques were developed and advanced geometry passive regenerators were built and tested. A subscale engineering prototype (SEP) magnetic air conditioner was designed, constructed and tested. A model of the AMR cycle, combined with knowledge from passive regenerator experiments and FEA results, was used to design the regenerator beds. A 1.5 Tesla permanent magnet assembly was designed using FEA and the bed structure and plenum design was extensively optimized using FEA. The SEP is a flexible magnetic refrigeration platform, with individually instrumented beds and high flow rate and high frequency capability, although the current advanced regenerator geometry beds do not meet performance expectations, probably due to manufacturing and assembly tolerances. A model of the AMR cycle was used to optimize the design of a 3 ton capacity magnetic air conditioner, and the system design was iterated to minimize external parasitic losses such as heat exchanger pressure drop and fan power. The manufacturing cost for the entire air conditioning system was estimated, and while the estimated SEER efficiency is high, the magnetic air conditioning system is not cost competitive as currently configured. The 3 ton study results indicate that there are other applications where magnetic refrigeration is anticipated to have cost advantages over conventional systems, especially applications where magnetic refrigeration, through the use of its aqueous heat transfer fluid, could eliminate intermediate heat exchangers or oil distribution issues found in traditional vapor compression systems.

  2. Alternative non-CFC mobile air conditioning

    SciTech Connect (OSTI)

    Mei, V.C.; Chen, F.C.; Kyle, D.M.

    1992-09-01T23:59:59.000Z

    Concern about the destruction of the global environment by chlorofluorocarbon (CFC) fluids has become an impetus in the search for alternative, non-CFC refrigerants and cooling methods for mobile air conditioning (MAC). While some alternative refrigerants have been identified, they are not considered a lasting solution because of their high global warming potential, which could result in their eventual phaseout. In view of this dilemma, environmentally acceptable alternative cooling methods have become important. This report, therefore, is aimed mainly at the study of alternative automotive cooling methodologies, although it briefly discusses the current status of alternative refrigerants. The alternative MACs can be divided into work-actuated and heat-actuated systems. Work-actuated systems include conventional MAC, reversed Brayton air cycle, rotary vane compressor air cycle, Stirling cycle, thermoelectric (TE) cooling, etc. Heat-actuated MACs include metal hydride cooling, adsorption cooling, ejector cooling, absorption cycle, etc. While we are better experienced with some work-actuated cycle systems, heat-actuated cycle systems have a high potential for energy savings with possible waste heat applications. In this study, each altemative cooling method is discussed for its advantages and its limits.

  3. air conditioning technology: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    and Thermally Activated Technologies Improve Air Conditioning Researchers at the National Renewable Energy Laboratory (NREL) invented a breakthrough technology moisture from the...

  4. air conditioning technologies: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    and Thermally Activated Technologies Improve Air Conditioning Researchers at the National Renewable Energy Laboratory (NREL) invented a breakthrough technology moisture from the...

  5. air conditioning equipments: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    introducing or upgrading... analyses using BEMS data, ?) additional actual measurement data analyses and ?) HVAC system simulations using LCEM tool. The detailed air-conditioned...

  6. air conditioning equipment: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    introducing or upgrading... analyses using BEMS data, ?) additional actual measurement data analyses and ?) HVAC system simulations using LCEM tool. The detailed air-conditioned...

  7. air conditioning load: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    J.; Deying, L. 2006-01-01 2 Aggregated Modeling and Control of Air Conditioning Loads for Demand Response Computer Technologies and Information Sciences Websites Summary: 1...

  8. air conditioning loads: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Websites Summary: 1 Aggregated Modeling and Control of Air Conditioning Loads for Demand Response Wei Zhang, Member, IEEE Abstract--Demand response is playing an...

  9. Seminar 14 - Desiccant Enhanced Air Conditioning: Desiccant Enhanced Evaporative Air Conditioning (Presentation)

    SciTech Connect (OSTI)

    Kozubal, E.

    2013-02-01T23:59:59.000Z

    This presentation explains how liquid desiccant based coupled with an indirect evaporative cooler can efficiently produce cool, dry air, and how a liquid desiccant membrane air conditioner can efficiently provide cooling and dehumidification without the carryover problems of previous generations of liquid desiccant systems. It provides an overview to a liquid desiccant DX air conditioner that can efficiently provide cooling and dehumidification to high latent loads without the need for reheat, explains how liquid desiccant cooling and dehumidification systems can outperform vapor compression based air conditioning systems in hot and humid climates, explains how liquid desiccant cooling and dehumidification systems work, and describes a refrigerant free liquid desiccant based cooling system.

  10. STATE OF CALIFORNIA ICE STORAGE AIR CONDITIONING (ISAC) UNITS

    E-Print Network [OSTI]

    cooling with the compressor). Yes No #12;STATE OF CALIFORNIA ICE STORAGE AIR CONDITIONING (ISAC) UNITS CEC/09) CALIFORNIA ENERGY COMMISSION INSTALLATION CERTIFICATE CF-6R-MECH-08 Ice Storage Air Conditioning (ISAC) Units being full of ice. Verify that the system is operates properly in the Idle mode (i.e., the compressor

  11. Air conditioning system with supplemental ice storing and cooling capacity

    DOE Patents [OSTI]

    Weng, Kuo-Lianq (Taichung, TW); Weng, Kuo-Liang (Taichung, TW)

    1998-01-01T23:59:59.000Z

    The present air conditioning system with ice storing and cooling capacity can generate and store ice in its pipe assembly or in an ice storage tank particularly equipped for the system, depending on the type of the air conditioning system. The system is characterized in particular in that ice can be produced and stored in the air conditioning system whereby the time of supplying cooled air can be effectively extended with the merit that the operation cycle of the on and off of the compressor can be prolonged, extending the operation lifespan of the compressor in one aspect. In another aspect, ice production and storage in great amount can be performed in an off-peak period of the electrical power consumption and the stored ice can be utilized in the peak period of the power consumption so as to provide supplemental cooling capacity for the compressor of the air conditioning system whereby the shift of peak and off-peak power consumption can be effected with ease. The present air conditioning system can lower the installation expense for an ice-storing air conditioning system and can also be applied to an old conventional air conditioning system.

  12. Control of Computer Room Air Conditioning using IT Equipment Sensors

    SciTech Connect (OSTI)

    Bell, Geoffrey C.; Storey, Bill; Patterson, Michael K.

    2009-09-30T23:59:59.000Z

    The goal of this demonstration was to show how sensors in IT equipment could be accessed and used to directly control computer room air conditioning. The data provided from the sensors is available on the IT network and the challenge for this project was to connect this information to the computer room air handler's control system. A control strategy was developed to enable separate control of the chilled water flow and the fans in the computer room air handlers. By using these existing sensors in the IT equipment, an additional control system is eliminated (or could be redundant) and optimal cooling can be provided saving significant energy. Using onboard server temperature sensors will yield significant energy reductions in data centers. Intel hosted the demonstration in its Santa Clara, CA data center. Intel collaborated with IBM, HP, Emerson, Wunderlich-Malec Engineers, FieldServer Technologies, and LBNL to install the necessary components and develop the new control scheme. LBNL also validated the results of the demonstration.

  13. Innovative Systems for Solar Air Conditioning of Buildings

    E-Print Network [OSTI]

    Kessling, W.; Peltzer, M.

    2004-01-01T23:59:59.000Z

    for a high efficient utilization of solar thermal energy. To show the today's and near future potential innovative solar cooling and air conditioning systems are discussed which are well adapted to the utilization of solar energy. The system performance...

  14. Improving Glass Walls Thermal Resistance In Air-Conditioned Buildings 

    E-Print Network [OSTI]

    Galal, T.; Kulaib, A. M.; Alajmi, R.; Al-Ansary. A; Abuzaid, M.

    2010-01-01T23:59:59.000Z

    The solar radiation through an air conditioned building depends on what is called the building envelope. Building envelope consists of the surfaces that separate the inside from the building outdoors. Area, direction, and specifications of glass...

  15. Improving Glass Walls Thermal Resistance In Air-Conditioned Buildings

    E-Print Network [OSTI]

    Galal, T.; Kulaib, A. M.; Alajmi, R.; Al-Ansary. A; Abuzaid, M.

    2010-01-01T23:59:59.000Z

    The solar radiation through an air conditioned building depends on what is called the building envelope. Building envelope consists of the surfaces that separate the inside from the building outdoors. Area, direction, and specifications of glass...

  16. air conditioning energy: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    R. Parameshwaran; R. Karunakaran; S. Iniyan; A. Samuel 7 Discussion of Air-Conditioning Energy-Savings in Hot-Summer and Cold-Winter Regions Texas A&M University - TxSpace...

  17. air conditioning desarrollo: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Abdalla, K. N. 2010-01-01 36 Economic Analysis and Comparison of Waste Water Resource Heat Pump Heating and Air-Conditioning System Texas A&M University - TxSpace Summary: Based...

  18. air conditioning installations: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    K. 2010-01-01 98 Implementation of Smart Operation Strategies for Air-Conditioning and Lighting Systems for Ministries Complex in the State of Kuwait Texas A&M University -...

  19. Identifying Efficiency Degrading Faults in Split Air Conditioning Systems

    E-Print Network [OSTI]

    Terrill, T. J.; Brown, M. L.; Cheyne, R. W. Jr.; Cousins, A. J.; Daniels, B. P.; Erb, K. L.; Garcia, P. A.; Leutermann, M. J.; Nel, A. J.; Robert, C. L.; Widger, S. B.; Williams, A. G.; Rasmussen, B. P.

    2013-01-01T23:59:59.000Z

    Studies estimate that as much as 50% of packaged air conditioning systems operate in faulty conditions that degrade system efficiency. Common faults include: under- and over-charged systems (too much or too little refrigerant), faulty expansions...

  20. Retrofitting Inefficient Rooftop Air-Conditioning Units Reduces U.S. Navy Energy Use (Fact Sheet)

    SciTech Connect (OSTI)

    Not Available

    2014-04-01T23:59:59.000Z

    As part of the U.S. Navy's overall energy strategy, the National Renewable Energy Laboratory (NREL) partnered with the Naval Facilities Engineering Command (NAVFAC) to demonstrate market-ready energy efficiency measures, renewable energy generation, and energy systems integration. One such technology - retrofitting rooftop air-conditioning units with an advanced rooftop control system - was identified as a promising source for reducing energy use and costs, and can contribute to increasing energy security.

  1. Table HC15.7 Air-Conditioning Usage Indicators by Four Most...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    or More Units... 5.4 0.7 Q 0.5 Q Central Air-Conditioning Usage Air-Conditioned Floorspace (Square Feet)...

  2. air conditioning absorption: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    conditioning absorption First Page Previous Page 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Next Page Last Page Topic Index 1 Gas Powered Air Conditioning...

  3. ENSC 461 PROJECT: Next generation air conditioning systems for vehicles Assigned date: Feb. 21, 2011 Due date: April 11, 2011

    E-Print Network [OSTI]

    Bahrami, Majid

    1 ENSC 461 PROJECT: Next generation air conditioning systems for vehicles Assigned date: Feb. 21's engine, or battery pack in case of HEVs and EVs. This power draw is equivalent to a 1200-kg sedan driving both systems under various driving and climate conditions. #12;2 The project report should also

  4. The Earth-Coupled or Geothermal Heat Pump Air Conditioning System 

    E-Print Network [OSTI]

    Wagers, H. L.; Wagers, M. C.

    1985-01-01T23:59:59.000Z

    pump and the desuperheater as the latest developments in energy efficient air conditioning and water heating....

  5. The investigation of exhaust powered, automotive air cycle air conditioning

    E-Print Network [OSTI]

    Holley, James Andrew

    1978-01-01T23:59:59.000Z

    domestic automobiles and trucks because of its proven success. This system requires approximately 4 hp (2. 983 kW)[3] for operation snd employs a pressurized fluorinated hydrocarbon (R-12), hereafter fluorocarbon, as a refrigerant. Most of the research... extraction and avoid the use of a fluorocarbon refrigerant. The maJority of work involved with the new units has associated itself in the area of utilizing an absorption cycle or air cycle. The absorption air conditioning unit differs significantly from...

  6. Innovative Systems for Solar Air Conditioning of Buildings 

    E-Print Network [OSTI]

    Kessling, W.; Peltzer, M.

    2004-01-01T23:59:59.000Z

    kessling@transsolar.com Dipl.-Ing. Matthias PELTZER Technical Director L-DCS Technology GmbH Muenchener Str. 101, 85737 Ismaning b. Munich matthias.peltzer@l-dcs.com ABSTRACT Solar air conditioning is an attractive technology to achieve comfortable room... states (4). The room return air (5) is used in a latent heat recovery (6) (psychometric process see Figure 4). To illuminate the excellent system performance a typical cooling load profile for a standard office build- ing in the hot and humid climate...

  7. Liquid over-feeding air conditioning system and method

    DOE Patents [OSTI]

    Mei, Viung C. (Oak Ridge, TN); Chen, Fang C. (Knoxville, TN)

    1993-01-01T23:59:59.000Z

    A refrigeration air conditioning system utilizing a liquid over-feeding operation is described. A liquid refrigerant accumulator-heat exchanger is placed in the system to provide a heat exchange relationship between hot liquid refrigerant discharged from condenser and a relatively cool mixture of liquid and vaporous refrigerant discharged from the evaporator. This heat exchange relationship substantially sub-cools the hot liquid refrigerant which undergoes little or no evaporation across the expansion device and provides a liquid over-feeding operation through the evaporator for effectively using 100 percent of evaporator for cooling purposes and for providing the aforementioned mixture of liquid and vaporous refrigerant.

  8. Liquid over-feeding air conditioning system and method

    DOE Patents [OSTI]

    Mei, V.C.; Chen, F.C.

    1993-09-21T23:59:59.000Z

    A refrigeration air conditioning system utilizing a liquid over-feeding operation is described. A liquid refrigerant accumulator-heat exchanger is placed in the system to provide a heat exchange relationship between hot liquid refrigerant discharged from condenser and a relatively cool mixture of liquid and vaporous refrigerant discharged from the evaporator. This heat exchange relationship substantially sub-cools the hot liquid refrigerant which undergoes little or no evaporation across the expansion device and provides a liquid over-feeding operation through the evaporator for effectively using 100 percent of evaporator for cooling purposes and for providing the aforementioned mixture of liquid and vaporous refrigerant. 1 figure.

  9. The Effect of Pressure Difference Control on Hydraulic Stability in a Variable Flow Air Conditioning System

    E-Print Network [OSTI]

    Zhang, Z.; Fu, Y.; Chen, Y.

    2006-01-01T23:59:59.000Z

    This paper analyzes the effects of different pressure difference control methods on hydraulic stability in a variable flow air conditioning system when it is applied to different air conditioning water systems. According to control method and water...

  10. Proposal for an Adsorption Solar-Driven Air-Conditioning Unit for Public Offices 

    E-Print Network [OSTI]

    Elsamni, O. A.; Sahmarani, K.J.; Obied, F. K.

    2010-01-01T23:59:59.000Z

    A simple prototype air conditioning unit driven entirely by solar energy is proposed aiming at replacing the conventional vapor compression air conditioning systems which are reasonable for the global warming. The proposed model is supposed...

  11. Proposal for an Adsorption Solar-Driven Air-Conditioning Unit for Public Offices

    E-Print Network [OSTI]

    Elsamni, O. A.; Sahmarani, K.J.; Obied, F. K.

    2010-01-01T23:59:59.000Z

    A simple prototype air conditioning unit driven entirely by solar energy is proposed aiming at replacing the conventional vapor compression air conditioning systems which are reasonable for the global warming. The proposed model is supposed...

  12. Prediction of Air Conditioning Load Response for Providing Spinning Reserve - ORNL Report

    SciTech Connect (OSTI)

    Kueck, John D [ORNL; Kirby, Brendan J [ORNL; Ally, Moonis Raza [ORNL; Rice, C Keith [ORNL

    2009-02-01T23:59:59.000Z

    This report assesses the use of air conditioning load for providing spinning reserve and discusses the barriers and opportunities. Air conditioning load is well suited for this service because it often increases during heavy load periods and can be curtailed for short periods with little impact to the customer. The report also provides an appendix describing the ambient temperature effect on air conditioning load.

  13. A new route for energy efficiency diagnosis and potential analysis of energy consumption from air-conditioning system

    E-Print Network [OSTI]

    Ma,R.J.; Yu,N.Y.

    2014-01-01T23:59:59.000Z

    1 A new route for energy efficiency diagnosis and potential analysis of energy consumption from air-conditioning system Rong-Jiang Ma Nan-Yang Yu PhD candidate Professor School of Mechanical Engineering, Southwest Jiaotong... in buildings is to save energy without compromising comfort, health and productivity levels. In other words, the idea is to consume less energy while providing equal or improved building services, that is, being more energy efficient (Pérez-Lombard et al...

  14. Japanese power electronics inverter technology and its impact on the American air conditioning industry

    SciTech Connect (OSTI)

    Ushimaru, Kenji.

    1990-08-01T23:59:59.000Z

    Since 1983, technological advances and market growth of inverter- driven variable-speed heat pumps in Japan have been dramatic. The high level of market penetration was promoted by a combination of political, economic, and trade policies in Japan. A unique environment was created in which the leading domestic industries-- microprocessor manufacturing, compressors for air conditioning and refrigerators, and power electronic devices--were able to direct the development and market success of inverter-driven heat pumps. As a result, leading US variable-speed heat pump manufacturers should expect a challenge from the Japanese producers of power devices and microprocessors. Because of the vertically-integrated production structure in Japan, in contrast to the out-sourcing culture of the United States, price competition at the component level (such as inverters, sensors, and controls) may impact the structure of the industry more severely than final product sales. 54 refs., 47 figs., 1 tab.

  15. Desiccant Enhanced Evaporative Air Conditioning: Parametric Analysis and Design; Preprint

    SciTech Connect (OSTI)

    Woods, J.; Kozubal, E.

    2012-10-01T23:59:59.000Z

    This paper presents a parametric analysis using a numerical model of a new concept in desiccant and evaporative air conditioning. The concept consists of two stages: a liquid desiccant dehumidifier and a dew-point evaporative cooler. Each stage consists of stacked air channel pairs separated by a plastic sheet. In the first stage, a liquid desiccant film removes moisture from the process (supply-side) air through a membrane. An evaporatively-cooled exhaust airstream on the other side of the plastic sheet cools the desiccant. The second-stage indirect evaporative cooler sensibly cools the dried process air. We analyze the tradeoff between device size and energy efficiency. This tradeoff depends strongly on process air channel thicknesses, the ratio of first-stage to second-stage area, and the second-stage exhaust air flow rate. A sensitivity analysis reiterates the importance of the process air boundary layers and suggests a need for increasing airside heat and mass transfer enhancements.

  16. Off-peak air conditioning; A major energy saver

    SciTech Connect (OSTI)

    MacCracken, C.D.

    1991-12-01T23:59:59.000Z

    Today, the mission given to manufacturers is changing to include saving energy (kWh). Until now, saving energy was ignored because the utilities were happy to fill their night valley to reach a higher load factor. There also was a general feeling that making ice was much less efficient than standard air conditioning, and that anyone saying otherwise was a dreamer. This article discusses the energy savings based on the more prevalent ice storage technology, the similar suction temperatures of the various types of ice storage, and how storage is applied. Included are baseload power generation, partial storage with chiller priority, using air cooled condensers when making ice at night, colder duct air, heat recovery, central rooftop systems, smart controls, electric/gas combinations, supply side transmission and distribution losses, and cooling of air entering gas turbine generators during peak conditions.

  17. Investigation of residential central air conditioning load shapes in NEMS

    SciTech Connect (OSTI)

    Hamachi LaCommare, Kristina; Marnay, Chris; Gumerman, Etan; Chan, Peter; Rosenquist, Greg; Osborn, Julie

    2002-05-01T23:59:59.000Z

    This memo explains what Berkeley Lab has learned about how the residential central air-conditioning (CAC) end use is represented in the National Energy Modeling System (NEMS). NEMS is an energy model maintained by the Energy Information Administration (EIA) that is routinely used in analysis of energy efficiency standards for residential appliances. As part of analyzing utility and environmental impacts related to the federal rulemaking for residential CAC, lower-than-expected peak utility results prompted Berkeley Lab to investigate the input load shapes that characterize the peaky CAC end use and the submodule that treats load demand response. Investigations enabled a through understanding of the methodology by which hourly load profiles are input to the model and how the model is structured to respond to peak demand. Notably, it was discovered that NEMS was using an October-peaking load shape to represent residential space cooling, which suppressed peak effects to levels lower than expected. An apparent scaling down of the annual load within the load-demand submodule was found, another significant suppressor of the peak impacts. EIA promptly responded to Berkeley Lab's discoveries by updating numerous load shapes for the AEO2002 version of NEMS; EIA is still studying the scaling issue. As a result of this work, it was concluded that Berkeley Lab's customary end-use decrement approach was the most defensible way for Berkeley Lab to perform the recent CAC utility impact analysis. This approach was applied in conjunction with the updated AEO2002 load shapes to perform last year's published rulemaking analysis. Berkeley Lab experimented with several alternative approaches, including modifying the CAC efficiency level, but determined that these did not sufficiently improve the robustness of the method or results to warrant their implementation. Work in this area will continue in preparation for upcoming rulemakings for the other peak coincident end uses, commercial air conditioning and distribution transformers.

  18. New Automotive Air Conditioning System Simulation Tool Developed in MATLAB/Simulink

    SciTech Connect (OSTI)

    Kiss, T.; Chaney, L.; Meyer, J.

    2013-07-01T23:59:59.000Z

    Further improvements in vehicle fuel efficiency require accurate evaluation of the vehicle's transient total power requirement. When operated, the air conditioning (A/C) system is the largest auxiliary load on a vehicle; therefore, accurate evaluation of the load it places on the vehicle's engine and/or energy storage system is especially important. Vehicle simulation software, such as 'Autonomie,' has been used by OEMs to evaluate vehicles' energy performance. A transient A/C simulation tool incorporated into vehicle simulation models would also provide a tool for developing more efficient A/C systems through a thorough consideration of the transient A/C system performance. The dynamic system simulation software Matlab/Simulink was used to develop new and more efficient vehicle energy system controls. The various modeling methods used for the new simulation tool are described in detail. Comparison with measured data is provided to demonstrate the validity of the model.

  19. air-conditioned office buildings: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    2. Adsorption versus absorptionAssessment of adsorber bed designs in waste-heat driven adsorption cooling systems for vehicle air conditioning and refrigeration Amir Sharafian,...

  20. air-conditioning units part: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    on the green building of the Shanghai Institute of Architectural Science, a solar-powered adsorption air-conditioning system was designed. The operational performance under a...

  1. automotive air-conditioning system: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    on the green building of the Shanghai Institute of Architectural Science, a solar-powered adsorption air-conditioning system was designed. The operational performance under a...

  2. E-Print Network 3.0 - air conditioning automatic Sample Search...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    exhaust air... conditions. Because of these external demands, the American Society of Heating, Refrigerating and Air... monitors include a remote alarm signal andor automatic...

  3. air-conditioning equipment lorentz: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Topic Index 1 Smart School Symposium Heating Ventilation and Air Conditioning Session Energy Storage, Conversion and Utilization Websites Summary: Smart School Symposium Heating...

  4. air conditioning applications: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    chillers use the most environmentally friendly refrigerant - water... the Absorption. chiller. If a million Btulshr of hot water can be used from the heat of the engine, at...

  5. Intelligent Residential Air-Conditioning System with Smart-Grid Functionality

    E-Print Network [OSTI]

    Tesfatsion, Leigh

    1 Intelligent Residential Air-Conditioning System with Smart-Grid Functionality Auswin George residential air-conditioning (A/C) system controller that has smart grid functionality. The qualifier, conditional on anticipated retail energy prices. The term "smart- grid functionality" means that retail energy

  6. Experimental Investigation on the Operation Performance of a Liquid Desiccant Air-conditioning System

    E-Print Network [OSTI]

    Liu, J.; Wang, J.; Wu, Z.; Gu, W.; Zhang, G.

    2006-01-01T23:59:59.000Z

    A large share of energy consumption is taken by an air-conditioning system. It worsens the electricity load of the power network. Therefore, more and more scholars are paying attention to research on new types of air-conditioning systems...

  7. Modelica Library for Building Heating, Ventilation and Air-Conditioning Systems

    E-Print Network [OSTI]

    Modelica Library for Building Heating, Ventilation and Air-Conditioning Systems Michael Wetter available Modelica library for building heating, ventilation and air conditioning systems. The library development is focused on the develop- ment of models for building heating, ventilation and air

  8. A web based CBR system for heating ventilation and air conditioning systems sales support

    E-Print Network [OSTI]

    Watson, Ian

    A web based CBR system for heating ventilation and air conditioning systems sales support D describes the implementation of a case-based reasoning (CBR) system to support heating ventilation and air. Introduction Western Air is a distributor of heating ventilation and air conditioning (HVAC) systems

  9. Optimization of the Fin Heat Pipe for Ventilating and Air Conditioning with a Genetic Algorithm

    E-Print Network [OSTI]

    Qian, J.; Sun, D.; Li, G.

    2006-01-01T23:59:59.000Z

    This paper illustrates that use of a heat pipe as a heat-reclaiming device can significantly influence the air-conditioning system. It analyzes the heat transfer model of the uniform annular fin heat pipe under the condition of air conditioning...

  10. Investigating the Performance of Solar Air Conditioning Motivation/Background Findings

    E-Print Network [OSTI]

    -thermal collectors We investigated 3 types of solar cooling technologies: · Air conditioning consumes 10% of all collector size is a critical limiting factor of solar air conditioners · High driving temperatureInvestigating the Performance of Solar Air Conditioning Motivation/Background Findings Two Building

  11. Optimization of the Fin Heat Pipe for Ventilating and Air Conditioning with a Genetic Algorithm 

    E-Print Network [OSTI]

    Qian, J.; Sun, D.; Li, G.

    2006-01-01T23:59:59.000Z

    This paper illustrates that use of a heat pipe as a heat-reclaiming device can significantly influence the air-conditioning system. It analyzes the heat transfer model of the uniform annular fin heat pipe under the condition of air conditioning...

  12. Desiccants: Benefits for the Second Century of Air-Conditioning

    E-Print Network [OSTI]

    McGahey, K.; Harriman, L.

    1996-01-01T23:59:59.000Z

    Desiccant technology now stands where mechanical cooling stood in the 1930's. Desiccant systems have been used by industrial engineers to achieve productivity and energy benefits which far outweigh their installed cost. Now, with lower cost...

  13. automotive air conditioning: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    with Ttic5ms, Tcycle40ms. lic scheduling on automotive Navet, Nicolas 365 2001-01-0308 FMEA-based Design for Remanufacture using Automotive- Engineering Websites Summary: . The...

  14. In-Cab Air Quality of Trucks Air Conditioned and Kept in Electrified Truck Stop

    SciTech Connect (OSTI)

    Lee, Doh-Won [Texas Transportation Institute; Zietsman, Josias [Texas Transportation Institute; Farzaneh, Mohamadreza [Texas Transportation Institute; Li, Wen-Whai [University of Texas, El Paso; Olvera, Hector [University of Texas, El Paso; Storey, John Morse [ORNL; Kranendonk, Laura [ORNL

    2009-01-01T23:59:59.000Z

    At night, long-haul truck drivers rest inside the cabins of their vehicles. Therefore, the in-cab air quality while air conditioning (A/C) is being provided can be a great concern to the drivers health. The effect of using different A/C methods [truck's A/C, auxiliary power unit (APU), and truck stop electrification (TSE) unit] on in-cab air quality of a heavy-duty diesel vehicle was investigated at an electrified truck stop in the El Paso, Texas, area. The research team measured the in-cabin and the ambient air quality adjacent to the parked diesel truck as well as emissions from the truck and an APU while it was providing A/C. The measured results were compared and analyzed. On the basis of these results, it was concluded that the TSE unit provided better in-cab air quality while supplying A/C. Furthermore, the truck and APU exhaust emissions were measured, and fuel consumption of the truck (while idling) and the APU (during operation) were compared. The results led to the finding that emissions from the APU were less than those from the truck's engine idling, but the APU consumed more fuel than the engine while providing A/C under given conditions.

  15. DMBC: SEO (Search Engine Optimization) search engines in a natural, non-promoted or advertised way.

    E-Print Network [OSTI]

    Stowell, Michael

    DMBC: SEO (Search Engine Optimization) SEO · e within search engines in a natural, non required to truly take advantage of SEO Link Building Content & Keywords e Popularity How many people have-base perspective · Three Factors of SEO · Site Popularity · · Sit · website with similar · · Amount of c · Strategy

  16. Energy Comparison Between Conventional and Chilled Water Thermal Storage Air Conditioning Systems

    E-Print Network [OSTI]

    Sebzali, M.; Hussain, H. J.; Ameer, B.

    2010-01-01T23:59:59.000Z

    , encouraged by government subsidies and driven by the rapid and continual expansion in building construction, urban development, and the heavy reliance on Air Conditioning (AC) systems for the cooling of buildings. The Chilled Water Thermal Storage (CWTS...

  17. Table HC6.7 Air-Conditioning Usage Indicators by Number of Household...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    9.7 Have Equipment But Do Not Use it... 1.9 0.6 0.5 Q 0.2 0.4 Type of Air-Conditioning Equipment 1, 2 Central System......

  18. Proposal for a Vehicle Level Test Procedure to Measure Air Conditioning Fuel Use: Preprint

    SciTech Connect (OSTI)

    Rugh, J.

    2010-02-01T23:59:59.000Z

    A procedure is described to measure approximate real-world air conditioning fuel use and assess the impact of thermal load reduction strategies in plug-in hybrid electric vehicles.

  19. Energy-Saving Design for Pressure Difference Control in Variable Flow Air Conditioning Systems

    E-Print Network [OSTI]

    Chen, Y.; Zhang, Z.

    2006-01-01T23:59:59.000Z

    This paper analyzes energy-saving design for pressure-difference control in a variable flow air conditioning system, including the application of a pressure-difference control valve and the installation position of a pressure-difference transducer...

  20. Impact of the Variable Refrigerant Volume Air Conditioning System on Building Energy Efficiency 

    E-Print Network [OSTI]

    Zhu, H.

    2006-01-01T23:59:59.000Z

    The application of the variable refrigerant volume multi-zone air conditioning systems has met with mixed results since the publication of the Design Standard for Energy Efficiency of Public Buildings. This paper analyzes the characteristics...

  1. Modelica Library for Building Heating, Ventilation and Air-Conditioning Systems

    E-Print Network [OSTI]

    Wetter, Michael

    2010-01-01T23:59:59.000Z

    Austria, September 2006. Modelica As- sociation and Arsenalsystems. The ?exibility of Modelica has been T room in [° C]lss. AirConditioning - a Modelica li- o brary for dynamic

  2. Research on Fuzzy Regulation Strategies in the Constant Air Volume Air Conditioning System

    E-Print Network [OSTI]

    Bai, T.; Zhang, J.; Ning, N.; Tong, K.; Wu, Y.; Wang, H.

    2006-01-01T23:59:59.000Z

    The energy consumption of the constant air volume (CAV) system largely depends on the regulation strategies. Although some air conditioning systems are equipped with automatic regulation devices, others lack effective regulation strategies. To avoid...

  3. Research on Fuzzy Regulation Strategies in the Constant Air Volume Air Conditioning System 

    E-Print Network [OSTI]

    Bai, T.; Zhang, J.; Ning, N.; Tong, K.; Wu, Y.; Wang, H.

    2006-01-01T23:59:59.000Z

    The energy consumption of the constant air volume (CAV) system largely depends on the regulation strategies. Although some air conditioning systems are equipped with automatic regulation devices, others lack effective ...

  4. CFD Simulation and Analysis of the Combined Evaporative Cooling and Radiant Ceiling Air-conditioning System

    E-Print Network [OSTI]

    Xiang, H.; Yinming, L.; Junmei, W.

    2006-01-01T23:59:59.000Z

    consumption analysis of the building is carried out using the energy consumption code. Velocity and temperature distribution in the air-conditioned zone is computed using CFD. According to the results, the energy consumption and indoor human thermal comfort...

  5. Air-Conditioning Effect Estimation for Mid-Term Forecasts of Tunisian Electricity Consumption

    E-Print Network [OSTI]

    Boyer, Edmond

    Air-Conditioning Effect Estimation for Mid-Term Forecasts of Tunisian Electricity Consumption Tunisian electricity consumption (the residential sector represents 68% of this class of consumers). Nevertheless, with the Tunisian electricity consumption context, models elaborating which take account weather

  6. The Earth-Coupled or Geothermal Heat Pump Air Conditioning System

    E-Print Network [OSTI]

    Wagers, H. L.; Wagers, M. C.

    1985-01-01T23:59:59.000Z

    " and next at proper home insulation, window coverings, etc. The other electrical appliances in the home use relatively minor amounts of electricity compared to the air conditioning and hot water heating system. This paper will describe the geothermal heat...

  7. air-conditioning applications final: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    surroundings by the reflection, is used... Liu, P.; Li, D. 2006-01-01 23 Proposal for an Adsorption Solar-Driven Air-Conditioning Unit for Public Offices Texas A&M University -...

  8. automative air-conditioning systems: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    and try to identify the important trends. Thorsten Ohl 2002-11-05 63 Proposal for an Adsorption Solar-Driven Air-Conditioning Unit for Public Offices Texas A&M University -...

  9. Numerical Analysis of Heat and Moisture Transfer in Underground Air-conditioning Systems

    E-Print Network [OSTI]

    Wang, Q.; Miao, X.; Cheng, B.; Fan, L.

    2006-01-01T23:59:59.000Z

    In view of the influence of humidity of room air on room heat load, indoor environment and building energy consumption in underground intermittent air-conditioning systems, numerical simulation was used to dynamically analyze the coupling condition...

  10. Analysis of the Diagnostic Methods of the Performance Failure of Heating and Air Conditioning Systems

    E-Print Network [OSTI]

    Li, L.; Zhang, Z.; Sun, Y.; Li, D.; Xie, H.

    2006-01-01T23:59:59.000Z

    The paper introduces some diagnostic methods for the performance failure of heating and air conditioning, analyzes the principle by an example, gives the application characteristics of different methods and supplies the guide for the application...

  11. The Full Water Disposal Ways and Study on Central Air-conditioning Circulation Cooling Water System

    E-Print Network [OSTI]

    Zhang, J.

    2006-01-01T23:59:59.000Z

    This paper has been made the further study about the water quality issue of the central air-conditioning circulation cooling water. Based on the comparison of the existing common adopted disposal ways, put forward the new ways of combination...

  12. air-conditioning direct-fired double-effect: Topics by E-print...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    on the basis... Liu, J.; Mai, Y.; Liu, X. 2006-01-01 30 Discussion of Air-Conditioning Energy-Savings in Hot-Summer and Cold-Winter Regions Texas A&M University - TxSpace...

  13. Fuel Savings and Emission Reductions from Next-Generation Mobile Air Conditioning Technology in India: Preprint

    SciTech Connect (OSTI)

    Chaney, L.; Thundiyil, K.; Chidambaram, S.; Abbi, Y. P.; Anderson, S.

    2007-05-01T23:59:59.000Z

    This paper quantifies the mobile air-conditioning fuel consumption of the typical Indian vehicle, exploring potential fuel savings and emissions reductions these systems for the next generation of vehicles.

  14. Flywheel Cooling: A Cooling Solution for Non Air-Conditioned Buildings

    E-Print Network [OSTI]

    Abernethy, D.

    of evaroration, ventilation and air circulation. These systems are rroviding low-cost cooling for distribution centers, warehouses, and other non air-conditioned industrial assembly rlants with little or no internal 10iids. . The eva[lorative roof cooling...

  15. Issues and Factors of Train Air-conditioning System Design and Operation

    E-Print Network [OSTI]

    Liu, P.; Li, D.

    2006-01-01T23:59:59.000Z

    satisfy both the coldness supply in summer and the heat supply in winter basically. In fact, this system supplies a more comfortable environment for the passengers. However, compared to the advanced countries, our train air-conditionings still have...

  16. Operation of Energy-Efficient Air-Conditioned Buildings: An Overview

    E-Print Network [OSTI]

    Khalil, E. E.

    2010-01-01T23:59:59.000Z

    To design an optimum HVAC airside system that provides comfort and air quality in the air-conditioned spaces with efficient energy consumption is a great challenge. This paper evaluates recent progresses of HVAC airside design for the air...

  17. Operation of Energy-Efficient Air-Conditioned Buildings: An Overview 

    E-Print Network [OSTI]

    Khalil, E. E.

    2010-01-01T23:59:59.000Z

    To design an optimum HVAC airside system that provides comfort and air quality in the air-conditioned spaces with efficient energy consumption is a great challenge. This paper evaluates recent progresses of HVAC airside ...

  18. Feasibility of Municipal Water Mains as Heat Sink for Residential Air-Conditioning

    E-Print Network [OSTI]

    Vliet, G. C.

    1994-01-01T23:59:59.000Z

    It has been proposed that municipal water mains be used as the heat sink or the heat source for air-conditioning or heating, respectively. This paper addresses the extent of thermal contamination associated with the use of municipal water...

  19. air-conditioning systems based: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Next Page Last Page Topic Index 1 A web based CBR system for heating ventilation and air conditioning systems sales support...

  20. Energy Consumption Measuring and Diagnostic Analysis of Air-conditioning Water System in a Hotel Building in Harbin

    E-Print Network [OSTI]

    Zhao, T.; Zhang, J.; Li, Y.

    2006-01-01T23:59:59.000Z

    This paper introduces an air-conditioning water system in a hotel building in Harbin, finishes its air-conditioning energy consumption measurement in summer conditions, and presents an estimation index of performance of chiller, pump and motor...

  1. Discussion of Air-Conditioning Energy-Savings in Hot-Summer and Cold-Winter Regions

    E-Print Network [OSTI]

    Zheng, W.; Gong, F.; Lou, X.; Cheng, J.

    2006-01-01T23:59:59.000Z

    Introducing several kinds of air-conditioning systems energy conservation measures, and according to the climate of the hot-summer and cold-winter region in China, this paper puts forward an overall conception for air-conditioning energy...

  2. Impact of the Variable Refrigerant Volume Air Conditioning System on Building Energy Efficiency

    E-Print Network [OSTI]

    Zhu, H.

    2006-01-01T23:59:59.000Z

    ICEBO2006, Shenzhen, China HVAC Technologies for Energy Efficiency Vol.IV-1-3 Impact of the Variable Refrigerant Volume Air Conditioning System on Building Energy Efficiency Huawei Zhu Zhejiang Urban and Rural Planning Design Institute... conditioning system has led to extensive criticism. 2. THE CHARACTERISTICS OF THE VARIABLE REFRIGERANT VOLUME AIR CONDITIONING SYSTEM AND ITS PRESENT APPLICATION ICEBO2006, Shenzhen, China HVAC Technologies for Energy Efficiency Vol.IV-1-3 2...

  3. Adjudication Concerning the Contract for the Maintenance of Pipework and Heating, Ventilating and Air-Conditioning Installations

    E-Print Network [OSTI]

    1971-01-01T23:59:59.000Z

    Adjudication Concerning the Contract for the Maintenance of Pipework and Heating, Ventilating and Air-Conditioning Installations

  4. Adjudication of a Contract for the Maintenance of Pipework and Heating, Ventilating and Air-Conditioning Installations

    E-Print Network [OSTI]

    1977-01-01T23:59:59.000Z

    Adjudication of a Contract for the Maintenance of Pipework and Heating, Ventilating and Air-Conditioning Installations

  5. Proposed Adjudication of the Contract for the Heating, Ventilating and Air Conditioning Installations for the ISR Buildings

    E-Print Network [OSTI]

    1968-01-01T23:59:59.000Z

    Proposed Adjudication of the Contract for the Heating, Ventilating and Air Conditioning Installations for the ISR Buildings

  6. Future Air Conditioning Energy Consumption in Developing Countries and what can be done about it: The Potential of Efficiency in the Residential Sector

    E-Print Network [OSTI]

    McNeil, Michael A.; Letschert, Virginie E.

    2008-01-01T23:59:59.000Z

    G. Henderson (2005) Home air conditioning in Europe – howhigher growth in Indian air conditioner saturation duringand A.A. Pavlova ( 2003). Air conditioning market saturation

  7. Smart Operations of Air-Conditioning and Lighting Systems in Government Buildings for Peak Power Reduction

    E-Print Network [OSTI]

    Al-Hadban, Y.; Maheshwari, G. P.; Al-Nakib, D.; Al-Mulla, A.; Alasseri, R.

    During the summer 2007 smart operation strategies for air-conditioning (A/C) and lighting systems were developed and tested in a number of governmental buildings in Kuwait as one of the solutions to reduce the national peak demand for electrical...

  8. Theoretical Study of a Novel Control Method of VAV Air-conditioning System Based on MATLAB

    E-Print Network [OSTI]

    Shi, Z.; Hu, S.; Wang, G.; Li, A.

    2006-01-01T23:59:59.000Z

    The main purpose of this study is to put forward a novel nonlinear feedback control strategy on controlling indoor air temperature by variable air volume. A dynamic model of a typical room for a VAV air-conditioning system is established...

  9. Evaluation of a Local Air Conditioning Duty Cycling Device as a Load Management Tool

    E-Print Network [OSTI]

    Schneider, K.; Thedford, M.

    1986-01-01T23:59:59.000Z

    During the summer of 1984, a test was performed to evaluate a local air conditioning duty cycling device as a tool to reduce TUEC's system summer peak demand. In addition to the local duty cycling device, a direct load control device using a power...

  10. Aggregated Modeling and Control of Air Conditioning Loads for Demand Response

    E-Print Network [OSTI]

    Zhang, Wei

    1 Aggregated Modeling and Control of Air Conditioning Loads for Demand Response Wei Zhang, Member, IEEE Abstract--Demand response is playing an increasingly impor- tant role in the efficient loads is especially important to evaluate the effec- tiveness of various demand response strategies

  11. Test and Reconstruction of Air Conditioning System in a Hotel Lobby

    E-Print Network [OSTI]

    Wang, G.; Hu, Y.; Hu, S.; Chen, Q.

    2006-01-01T23:59:59.000Z

    Two air conditioning systems are equipped in a hotel lobby. It is found from the field test that the actual air rate is 40% and 16% of the nominal value, respectively, of the two systems, which is far lower than the design requirement. The air rate...

  12. Economic Analysis and Comparison of Waste Water Resource Heat Pump Heating and Air-Conditioning System 

    E-Print Network [OSTI]

    Zhang, C.; Wang, S.; Chen, H.; Shi, Y.

    2006-01-01T23:59:59.000Z

    Based on the heating and air-conditioning system of a high-rise residential building in Northern city, this paper provides a discussion on the choice and matching of different types of Waste Water Resource Heat Pump (WWRHP) heating and air...

  13. Problem Type Problem Type Description Air Conditioning Air conditioner not working, leaking, etc

    E-Print Network [OSTI]

    Tennessee, University of

    Problem Type Problem Type Description Air Conditioning Air conditioner not working, leaking, etc, Microfridges Doors and Hardware Door repair/replace Lock, latch or hinge repair, key stuck; Lost or stolen key, repair or replace Shades/Blinds Window treatment - repair or replace Washer/Dryer Washer/Dryer repair

  14. "Table HC12.7 Air-Conditioning Usage Indicators by Midwest Census...

    U.S. Energy Information Administration (EIA) Indexed Site

    "Type of Air-Conditioning Equipment1, 2" "Central System",65.9,17.3,11.3,6 "Without a Heat Pump",53.5,16.2,10.6,5.6 "With a Heat Pump",12.3,1.1,0.8,0.4 "WindowWall...

  15. "Table HC11.7 Air-Conditioning Usage Indicators by Northeast...

    U.S. Energy Information Administration (EIA) Indexed Site

    "Type of Air-Conditioning Equipment1, 2" "Central System",65.9,6,5.2,0.8 "Without a Heat Pump",53.5,5.5,4.8,0.7 "With a Heat Pump",12.3,0.5,0.4,"Q" "WindowWall...

  16. "Table HC10.7 Air-Conditioning Usage Indicators by U.S. Census...

    U.S. Energy Information Administration (EIA) Indexed Site

    of Air-Conditioning Equipment1, 2" "Central System",65.9,6,17.3,32.1,10.5 "Without a Heat Pump",53.5,5.5,16.2,23.2,8.7 "With a Heat Pump",12.3,0.5,1.1,9,1.7 "WindowWall...

  17. "Table HC13.7 Air-Conditioning Usage Indicators by South Census...

    U.S. Energy Information Administration (EIA) Indexed Site

    of Air-Conditioning Equipment1, 2" "Central System",65.9,32.1,17.6,5.2,9.3 "Without a Heat Pump",53.5,23.2,10.9,3.8,8.4 "With a Heat Pump",12.3,9,6.7,1.4,0.9 "WindowWall...

  18. "Table HC14.7 Air-Conditioning Usage Indicators by West Census...

    U.S. Energy Information Administration (EIA) Indexed Site

    of Air-Conditioning Equipment1, 2" "Central System",65.9,10.5,3.9,6.5 "Without a Heat Pump",53.5,8.7,3.2,5.5 "With a Heat Pump",12.3,1.7,0.7,1 "WindowWall...

  19. Economic Analysis and Comparison of Waste Water Resource Heat Pump Heating and Air-Conditioning System

    E-Print Network [OSTI]

    Zhang, C.; Wang, S.; Chen, H.; Shi, Y.

    2006-01-01T23:59:59.000Z

    Based on the heating and air-conditioning system of a high-rise residential building in Northern city, this paper provides a discussion on the choice and matching of different types of Waste Water Resource Heat Pump (WWRHP) heating and air...

  20. "Table HC15.7 Air-Conditioning Usage Indicators by Four Most...

    U.S. Energy Information Administration (EIA) Indexed Site

    of Air-Conditioning Equipment1, 2" "Central System",65.9,1.1,6.4,6.4,5.4 "Without a Heat Pump",53.5,1.1,3.5,5.7,4.9 "With a Heat Pump",12.3,"Q",2.9,0.7,0.5 "WindowWall...

  1. RHEOLOGICAL STUDY OF TWO-PHASE SECONDARY FLUIDS FOR REFRIGERATION AND AIR CONDITIONING.

    E-Print Network [OSTI]

    Boyer, Edmond

    RHEOLOGICAL STUDY OF TWO-PHASE SECONDARY FLUIDS FOR REFRIGERATION AND AIR CONDITIONING. Mylène have promising application in refrigeration thanks to their large cooling capacity and their storage Because it is nowadays necessary to phase out CFCs or HCFCs fluids from the refrigeration industry

  2. Research on Thermal Properties in a Phase Change Wallboard Room Based on Air Conditioning Cold Storage

    E-Print Network [OSTI]

    Feng, G.; Li, W.; Chen, X.

    2006-01-01T23:59:59.000Z

    After comparing the thermal performance parameters of an ordinary wall room to a phase change wall (PCW) room, we learn that phase change wallboard affects the fluctuation of temperature in air-conditioning room in the summer. We built a PCW room...

  3. Start-Up of Air Conditioning Systems After Periods of Shutdown (Humidity Considerations)

    E-Print Network [OSTI]

    Todd, T. R.

    1986-01-01T23:59:59.000Z

    after the system is restarted. Moe t simply, condensation takes place when moist air flows past surfaces which have been cooled below its dewpoint. In air conditioning this occurs when the cold supply air being deli- vered into the space induces...

  4. Proceedings of the 1993 non-fluorocarbon insulation, refrigeration and air conditioning technology workshop

    SciTech Connect (OSTI)

    Not Available

    1994-09-01T23:59:59.000Z

    Sessions included: HFC blown polyurethanes, carbon dioxide blown foam and extruded polystyrenes, plastic foam insulations, evacuated panel insulation, refrigeration and air conditioning, absorption and adsorption and stirling cycle refrigeration, innovative cooling technologies, and natural refrigerants. Selected papers have been indexed separately for inclusion in the Energy Science and Technology Database.

  5. Model Based Sensor System for Temperature Measurement in R744 Air Conditioning Systems

    E-Print Network [OSTI]

    Reitz, Sven; Schneider, Peter

    2008-01-01T23:59:59.000Z

    The goal is the development of a novel principle for the temperature acquisition of refrigerants in CO2 air conditioning systems. The new approach is based on measuring the temperature inside a pressure sensor, which is also needed in the system. On the basis of simulative investigations of different mounting conditions functional relations between measured and medium temperature will be derived.

  6. Modeling and Control of Aggregated Air Conditioning Loads Under Realistic Conditions

    E-Print Network [OSTI]

    Zhang, Wei

    heaters are examples of TCLs. They use local hysteresis control to maintain either air or water units and water heaters is developed in [7] using detailed physical models. In all the aforementioned for a large fraction of electric demand. HVAC (Heating, Ventilation and air conditioning) systems and water

  7. Heating, Ventilating, and Air-Conditioning: Recent Advances in Diagnostics and Controls to Improve Air-Handling System Performance

    E-Print Network [OSTI]

    Wray, Craig P.

    2008-01-01T23:59:59.000Z

    Heating, Ventilating, and Air-Conditioning: Recent Advancesthe energy efficiency of many heating, ventilating, and air-system, which delivers heating, cooling, and ventilation air

  8. Comment submitted by the Air Conditioning, Heating and Refrigeration Institute (AHRI) regarding the Energy Star Verification Testing Program

    Broader source: Energy.gov [DOE]

    This document is a comment submitted by the Air Conditioning, Heating and Refrigeration Institute (AHRI) regarding the Energy Star Verification Testing Program

  9. Application of the VRV Air-Conditioning System Heat Recovery Series in Interior Zone and Analysis of its Energy Saving

    E-Print Network [OSTI]

    Zhang, Q.; Li, D.; Zhang, J.

    2006-01-01T23:59:59.000Z

    To reduce the energy consumption of air conditioning systems, we can use the VRV air conditioning system to supply cold loads in the winter for rooms in the construction inner zone where cold loads need to be supplied. The VRV air...

  10. Low-Flow Liquid Desiccant Air Conditioning: General Guidance and Site Considerations

    SciTech Connect (OSTI)

    Kozubal, E.; Herrmann, L.; Deru, M.; Clark, J.

    2014-09-01T23:59:59.000Z

    Dehumidification or latent cooling in buildings is an area of growing interest that has been identified as needing more research and improved technologies for higher performance. Heating, ventilating, and air-conditioning (HVAC) systems typically expend excessive energy by using overcool-and-reheat strategies to dehumidify buildings. These systems first overcool ventilation air to remove moisture and then reheat the air to meet comfort requirements. Another common strategy incorporates solid desiccant rotors that remove moisture from the air more efficiently; however, these systems increase fan energy consumption because of the high airside pressure drop of solid desiccant rotors and can add heat of absorption to the ventilation air. Alternatively, liquid desiccant air-conditioning (LDAC) technology provides an innovative dehumidification solution that: (1) eliminates the need for overcooling and reheating from traditional cooling systems; and (2) avoids the increased fan energy and air heating from solid desiccant rotor systems.

  11. Analysis of Energy Saving in a Clean Room Air-conditioning System

    E-Print Network [OSTI]

    Liu, S.; Liu, J.; Pei, J.; Wang, M.

    2006-01-01T23:59:59.000Z

    temperature field, small supply air temperature difference, large airflow, but no reheater. As the design airflow rate of air conditioning system for cleaning mainly considered to meet the need of the cleanliness class, its air exchange rate was much... above, we had chosen a representative air-handling unit for the testing renovation of 2nd return air system. Cleaning area for this AHU was a capsule clean room with a hundred thousand cleanliness classes. Indoor controlled dry-bulb temperature...

  12. Comparison of global warming impacts of automobile air-conditioning concepts

    SciTech Connect (OSTI)

    NONE

    1995-12-31T23:59:59.000Z

    The global warming impacts of conventional vapor compression automobile air conditioning using HFC-134a are compared with the potential impacts of four alternative concepts. Comparisons are made on the basis of total equivalent warming impact (TEWI) which accounts for the effects of refrigerant emissions, energy use to provide comfort cooling, and fuel consumed to transport the weight of the air conditioning system. Under the most favorable assumptions on efficiency and weight, transcritical compression using CO{sub 2} as the refrigerant and adsorption cooling with water and zeolite beds could reduce TEWI by up to 18%rlative to HFC-134a compression air conditioning. Other assumptions on weight and efficiency lead to significant increases in TEWI relative to HFC-134a, and it is impossible to determine which set of assumptios is valid from existing data, Neither Stirling cycle or thermoelectric cooling will reduce TEWI relative to EFC-134a. Brief comments are also made concerning technical barriers that must be overcome for succesful development of the new technologies.

  13. air-conditioning system driven: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Fie?.-Test Site - Budget Inn, System Engine Chiller Cleveland Bleyle of America, Engine Chiller Atlanta Panhandle Eastern, EngineIAbsorption Kansas City Bristol Wyndham, Engine...

  14. Commentary: Air-conditioning as a risk for increased use of healthservices

    SciTech Connect (OSTI)

    Mendell, Mark J.

    2004-06-01T23:59:59.000Z

    In this issue of the journal, Preziosi et al. [2004] report the first study to assess differences in the utilization of health care related to the presence of air-conditioning in office workplaces. Although the study was simple and cross-sectional, the data variables from questionnaires, and the findings subject to a variety of questions, the findings are striking enough to deserve clarification. The study used a large random national sample of French women assembled for another purpose (to study antioxidant nutrients and prevention of cancer and cardiovascular disease). Participants reported health services and health events in monthly questionnaires over 1 year, and in one questionnaire in the middle of that period also reported whether air-conditioning was in use at their workplace. Fifteen percent of participants reported air-conditioning at work. Analyses adjusting for age and smoking status of participants found increases in most outcomes assessed: use of specific kinds of physicians, sickness absence, and hospital stays. While the increases in odds ratios (OR) and 95% confidence intervals (CI) were statistically significant for only otorhinolaryngology [OR (95% CI) = 2.33 (1.35-4.04)] and sickness absence [1.70 (1.13-2.58)], other increases were notable--dermatology [1.6 (0.98-2.65)]; hospital stay [1.51 (0.92-2.45)], and pneumonology [2.10 (0.65-6.82)]. The least elevated outcomes were for general practice medicine [0.99 (0.65-1.48)] and global medical visits [1.18 (0.67-2.07)]. [Preziosi et al., 2004 ,(Table 2)] Odds ratios for relatively common health outcomes often lie farther from the null than the risk ratios most useful for quantifying the increase in risk. Risk ratios, or prevalence ratios (PRs, the equivalent measure of effect for cross-sectional data), have seldom been used because of the convenience and availability of logistic regression models that estimate odds ratios. With baseline prevalences ranging up to 85.7% in the data from Preziosi et al. [2004], PRs allow a more appropriate estimate of the increase in each outcome associated with the risk factor of air-conditioning. The increase in prevalence was roughly estimated as [100* (crude PR * adjusted OR/crude OR)-100] %. Based on the data in Table 2 of Preziosi et al. [ 2004], estimates for the increased prevalence associated with air-conditioned offices include increases of 120% in otorhinolaryngology visits, and 40% in sickness absence. If these associated increases represented valid causal relationships, it would indicate enormous costs for employers and for society associated with air-conditioning systems, from increased health care and for reduced workplace productivity from sickness absence, in addition to a large burden of disease on workers.

  15. An Analysis of Price Determination and Markups in the Air-Conditioning and Heating Equipment Industry

    SciTech Connect (OSTI)

    Dale, Larry; Millstein, Dev; Coughlin, Katie; Van Buskirk, Robert; Rosenquist, Gregory; Lekov, Alex; Bhuyan, Sanjib

    2004-01-30T23:59:59.000Z

    In this report we calculate the change in final consumer prices due to minimum efficiency standards, focusing on a standard economic model of the air-conditioning and heating equipment (ACHE) wholesale industry. The model examines the relationship between the marginal cost to distribute and sell equipment and the final consumer price in this industry. The model predicts that the impact of a standard on the final consumer price is conditioned by its impact on marginal distribution costs. For example, if a standard raises the marginal cost to distribute and sell equipment a small amount, the model predicts that the standard will raise the final consumer price a small amount as well. Statistical analysis suggest that standards do not increase the amount of labor needed to distribute equipment the same employees needed to sell lower efficiency equipment can sell high efficiency equipment. Labor is a large component of the total marginal cost to distribute and sell air-conditioning and heating equipment. We infer from this that standards have a relatively small impact on ACHE marginal distribution and sale costs. Thus, our model predicts that a standard will have a relatively small impact on final ACHE consumer prices. Our statistical analysis of U.S. Census Bureau wholesale revenue tends to confirm this model prediction. Generalizing, we find that the ratio of manufacturer price to final consumer price prior to a standard tends to exceed the ratio of the change in manufacturer price to the change in final consumer price resulting from a standard. The appendix expands our analysis through a typical distribution chain for commercial and residential air-conditioning and heating equipment.

  16. Solutions for Summer Electric Power Shortages: Demand Response andits Applications in Air Conditioning and Refrigerating Systems

    SciTech Connect (OSTI)

    Han, Junqiao; Piette, Mary Ann

    2007-11-30T23:59:59.000Z

    Demand response (DR) is an effective tool which resolves inconsistencies between electric power supply and demand. It further provides a reliable and credible resource that ensures stable and economical operation of the power grid. This paper introduces systematic definitions for DR and demand side management, along with operational differences between these two methods. A classification is provided for DR programs, and various DR strategies are provided for application in air conditioning and refrigerating systems. The reliability of DR is demonstrated through discussion of successful overseas examples. Finally, suggestions as to the implementation of demand response in China are provided.

  17. Solution of Air Conditioning Cooling Load Temperature for New Energy-Saving Walls

    E-Print Network [OSTI]

    Wang, X.; Hong, J.; Deying, L.

    2006-01-01T23:59:59.000Z

    ICEBO2006, Shenzhen, China Enve lope Technologies for Building Energy Efficiency Vol.II-3-5 Solution of Air Conditioning Cooling Load Temperature for New Energy-Saving Walls Xuejin Wang Jing Hong Deying Li School of Building.... The formula used to calculate the heat transfer ICEBO2006, Shenzhen, China Enve lope Technologies for Building Energy Efficiency Vol.II-3-5 thermal response factors are as follows: 0j = ? ? ? = ??+= 1 i )e1(BK)0(Y i ? ? Tab.1 New energy...

  18. Smart Operations of Air-Conditioning and Lighting Systems in a Government Buildings for Peak Power Reduction

    E-Print Network [OSTI]

    Al-Hadban, Y.; Maheshwari, G. P.; Al-Nakib, D.; Al-Mulla, A.; Alasseri, R.

    2010-01-01T23:59:59.000Z

    This paper presents the achievements of implementing smart operations strategies for air-conditioning (A/C) and lighting systems in Justice Palace Complex (JPC), Kuwait during the summer 2007. The peak load of this building was 3700 k...

  19. The effect of hardware configuration on the performance of residential air conditioning systems at high outdoor ambient temperatures

    E-Print Network [OSTI]

    Bain, Joel Alan

    1995-01-01T23:59:59.000Z

    A study was performed which investigated the effect of hardware configuration on air conditioning cooling system performance at high outdoor temperatures. The initial phase of the investigation involved the testing of ten residential air...

  20. Experimental Research and Performance Analysis of a Solar-Powered Air-conditioning System in a Green Building

    E-Print Network [OSTI]

    Zhai, X.; Wang, R.; Dai, Y.; Wu, J.

    2006-01-01T23:59:59.000Z

    Based on the green building of the Shanghai Institute of Architectural Science, a solar-powered adsorption air-conditioning system was designed. The operational performance under a typical operating mode in summer was studied, which includes...

  1. The Experimentation System Design and Experimental Study of the Air-Conditioning by Desiccant Type Using Solar Energy 

    E-Print Network [OSTI]

    Zhuo, X.; Ding, J.; Yang, X.; Chen, S.; Yang, J.

    2006-01-01T23:59:59.000Z

    Using a special solar air heater to gain heat power for regenerating an adsorption desiccant wheel made by composite silica gel, a desiccant air-conditioning experimentation system was designed and manufactured. Combining the advantage of measure...

  2. The Histoty of Ventilation and Air Conditioning is CERN Up to Date with the latest Technological Developments?

    E-Print Network [OSTI]

    Kühnl-Kinel, J

    2000-01-01T23:59:59.000Z

    The invention of ventilation cannot be ascribed to a certain date. It started with simple aeration when man brought fire into his abode and continued through different stages including air cooling using ice to finally arrive at the time when ventilation and air conditioning has become an essential part of our life and plays an important role in human evolution. This paper presents the history of ventilation and air conditioning, explains the key constraints over the centuries, and shows its influence on everyday life. Some examples of previous air-conditioning plants are described and different approaches to the way of calculation of ventilation systems discussed. It gives an overview of the Heating, Ventilation and Air Conditioning (HVAC) installations at CERN and points out their particularities. It also compares them with the latest technological developments in the field as well as showing the new trends that are being applied at CERN.

  3. Influence Of Upper Air Conditions On The Patagonia Icefields L. A. Rasmussen, H. Conway, C. F. Raymond

    E-Print Network [OSTI]

    Rasmussen, L.A.

    Influence Of Upper Air Conditions On The Patagonia Icefields L. A. Rasmussen, H. Conway, C. F to investigate changes in precipitation and snowfall over the Patagonia ice- fields during 1960-99. Apparently

  4. Energy Conservation and Comfort of Heat Pump Desiccant Air Conditioning System in Actual Living Space in Summer

    E-Print Network [OSTI]

    Miyashita, Yasushi

    Energy Conservation and Comfort of Heat Pump Desiccant Air Conditioning System in Actual Living and total heat exchanger in terms of both energy conservation and thermal comfort in summer. 1. COP

  5. Innovative Method for Performance Inspections often save 20-30% through Optimization of Air-Conditioning and Refrigeration

    E-Print Network [OSTI]

    Berglof, K.

    2010-01-01T23:59:59.000Z

    Air-conditioning, refrigeration and heat pump equipment is using 15 to 20% of the electrical energy globally. Many times these systems do not operate in an effective way. The paper present a method for and experience from performance testing...

  6. Advances in the development of energy efficient technologies: Sea Water Air Conditioning (SWAC)

    SciTech Connect (OSTI)

    Coony, J.E. [Boston Pacific Co., Inc., Washington, DC (United States)

    1996-11-01T23:59:59.000Z

    Sea water air conditioning (SWAC) is a cost effective and environmentally friendly alternative to and/or enhancement of air conditioning from mechanical chillers. SWAC pumps cold sea water from the appropriate ocean depths (50 to 3,000 feet depending on the climate and local characteristics) to the shore where it replaces (by direct cooling) or enhances (through use as condenser water) large mechanical chillers found in coastal facilities. SWAC direct cooling uses less than twenty per cent of the electricity of a mechanical chiller and uses no refrigerants whatsoever. Indirect cooling also offers substantial energy savings. Both systems dispense with the need for a cooling tower. Technical advances over the last twenty years in corrosion resistant alloys (titanium or aluminum), bio-fouling deterrence, and deep ocean pipeline deployment allow SWAC installations to use reliable, off-the-shelf technology. SWAC works in a variety of climates (existing installations are in Hawaii and Halifax, Nova Scotia), giving it significant domestic and international potential. Economy-of-scale advantages make it attractive to district cooling schemes.

  7. Experimental investigation on the photovoltaic-thermal solar heat pump air-conditioning system on water-heating mode

    SciTech Connect (OSTI)

    Fang, Guiyin; Hu, Hainan; Liu, Xu [Department of Physics, Nanjing University, Nanjing 210093 (China)

    2010-09-15T23:59:59.000Z

    An experimental study on operation performance of photovoltaic-thermal solar heat pump air-conditioning system was conducted in this paper. The experimental system of photovoltaic-thermal solar heat pump air-conditioning system was set up. The performance parameters such as the evaporation pressure, the condensation pressure and the coefficient of performance (COP) of heat pump air-conditioning system, the water temperature and receiving heat capacity in water heater, the photovoltaic (PV) module temperature and the photovoltaic efficiency were investigated. The experimental results show that the mean photovoltaic efficiency of photovoltaic-thermal (PV/T) solar heat pump air-conditioning system reaches 10.4%, and can improve 23.8% in comparison with that of the conventional photovoltaic module, the mean COP of heat pump air-conditioning system may attain 2.88 and the water temperature in water heater can increase to 42 C. These results indicate that the photovoltaic-thermal solar heat pump air-conditioning system has better performances and can stably work. (author)

  8. Robust optimization of a 2D air conditioning duct using kriging Deliverable WP.2.2.2.B of the ANR / OMD2 project

    E-Print Network [OSTI]

    Boyer, Edmond

    Robust optimization of a 2D air conditioning duct using kriging Deliverable WP.2.2.2.B of the ANR optimization of a 2D air conditioning duct. For comparison purposes, deterministic designs were first obtained air conditioning duct. The uncertainties affect the pipe shape. The mean response, expressed in terms

  9. LiCl Dehumidifier LiBr absorption chiller hybrid air conditioning system with energy recovery

    DOE Patents [OSTI]

    Ko, Suk M. (Huntsville, AL)

    1980-01-01T23:59:59.000Z

    This invention relates to a hybrid air conditioning system that combines a solar powered LiCl dehumidifier with a LiBr absorption chiller. The desiccant dehumidifier removes the latent load by absorbing moisture from the air, and the sensible load is removed by the absorption chiller. The desiccant dehumidifier is coupled to a regenerator and the desiccant in the regenerator is heated by solar heated hot water to drive the moisture therefrom before being fed back to the dehumidifier. The heat of vaporization expended in the desiccant regenerator is recovered and used to partially preheat the driving fluid of the absorption chiller, thus substantially improving the overall COP of the hybrid system.

  10. Cascade Reverse Osmosis Air Conditioning System: Cascade Reverse Osmosis and the Absorption Osmosis Cycle

    SciTech Connect (OSTI)

    None

    2010-09-01T23:59:59.000Z

    BEETIT Project: Battelle is developing a new air conditioning system that uses a cascade reverse osmosis (RO)-based absorption cycle. Analyses show that this new cycle can be as much as 60% more efficient than vapor compression, which is used in 90% of air conditioners. Traditional vapor-compression systems use polluting liquids for a cooling effect. Absorption cycles use benign refrigerants such as water, which is absorbed in a salt solution and pumped as liquid—replacing compression of vapor. The refrigerant is subsequently separated from absorbing salt using heat for re-use in the cooling cycle. Battelle is replacing thermal separation of refrigerant with a more efficient reverse osmosis process. Research has shown that the cycle is possible, but further investment will be needed to reduce the number of cascade reverse osmosis stages and therefore cost.

  11. Evaluation Framework and Analyses for Thermal Energy Storage Integrated with Packaged Air Conditioning

    SciTech Connect (OSTI)

    Kung, F.; Deru, M.; Bonnema, E.

    2013-10-01T23:59:59.000Z

    Few third-party guidance documents or tools are available for evaluating thermal energy storage (TES) integrated with packaged air conditioning (AC), as this type of TES is relatively new compared to TES integrated with chillers or hot water systems. To address this gap, researchers at the National Renewable Energy Laboratory conducted a project to improve the ability of potential technology adopters to evaluate TES technologies. Major project outcomes included: development of an evaluation framework to describe key metrics, methodologies, and issues to consider when assessing the performance of TES systems integrated with packaged AC; application of multiple concepts from the evaluation framework to analyze performance data from four demonstration sites; and production of a new simulation capability that enables modeling of TES integrated with packaged AC in EnergyPlus. This report includes the evaluation framework and analysis results from the project.

  12. Air Conditioning with Magnetic Refrigeration : An Efficient, Green Compact Cooling System Using Magnetic Refrigeration

    SciTech Connect (OSTI)

    None

    2010-09-01T23:59:59.000Z

    BEETIT Project: Astronautics is developing an air conditioning system that relies on magnetic fields. Typical air conditioners use vapor compression to cool air. Vapor compression uses a liquid refrigerant to circulate within the air conditioner, absorb the heat, and pump the heat out into the external environment. Astronautics’ design uses a novel property of certain materials, called “magnetocaloric materials”, to achieve the same result as liquid refrigerants. These magnetocaloric materials essentially heat up when placed within a magnetic field and cool down when removed, effectively pumping heat out from a cooler to warmer environment. In addition, magnetic refrigeration uses no ozone-depleting gases and is safer to use than conventional air conditioners which are prone to leaks.

  13. Energy Performance Comparison of Heating and Air Conditioning Systems for Multi-Family Residential Buildings

    SciTech Connect (OSTI)

    Wang, Weimin; Zhang, Jian; Jiang, Wei; Liu, Bing

    2011-07-31T23:59:59.000Z

    The type of heating, ventilation and air conditioning (HVAC) system has a large impact on the heating and cooling energy consumption in multifamily residential buildings. This paper compares the energy performance of three HVAC systems: a direct expansion (DX) split system, a split air source heat pump (ASHP) system, and a closed-loop water source heat pump (WSHP) system with a boiler and an evaporative fluid cooler as the central heating and cooling source. All three systems use gas furnace for heating or heating backup. The comparison is made in a number of scenarios including different climate conditions, system operation schemes and applicable building codes. It is found that with the minimum code-compliant equipment efficiency, ASHP performs the best among all scenarios except in extremely code climates. WSHP tends to perform better than the split DX system in cold climates but worse in hot climates.

  14. Application of Genetic Algorithm to Optimal Design of Central Air-Conditioning Water System

    E-Print Network [OSTI]

    Feng, X.; Zou, Y.; Long, W.

    2006-01-01T23:59:59.000Z

    .25 150 121.86 0.1182 1.92 200 131.55 0.0218 376.9729 1.0864 19 19 20 4.5 150 99.58 0.1013 1.57 150 107.18 0.1013 1163.561 1.6857 20 20 21 1.8 80 22.29 0.965 1.17 65 24.28 2.3884 1408.019 1.8046 21 22 23 1 80 22.29 0.5361 1.17 80 24.24 0.5361 315.0493... Wuxi, P. R. China, 214122 Shanghai? P. R. China, 200070 fxp_99@126.com Zouyun_22@126.com WeidingLong@163.com Abstract: The optimal design of air-conditioning water system is an optimization problem of functions that depend on a series...

  15. Energy Savings and Economics of Advanced Control Strategies for Packaged Air-Conditioning Units with Gas Heat

    SciTech Connect (OSTI)

    Wang, Weimin; Katipamula, Srinivas; Huang, Yunzhi; Brambley, Michael R.

    2011-12-31T23:59:59.000Z

    Pacific Northwest National Laboratory (PNNL) with funding from the U.S. Department of Energy's Building Technologies Program (BTP) evaluated a number of control strategies that can be implemented in a controller, to improve the operational efficiency of the packaged air conditioning units. The two primary objectives of this research project are: (1) determine the magnitude of energy savings achievable by retrofitting existing packaged air conditioning units with advanced control strategies not ordinarily used for packaged units and (2) estimating what the installed cost of a replacement control with the desired features should be in various regions of the U.S. This document reports results of the study.

  16. Low-Flow Liquid Desiccant Air-Conditioning: Demonstrated Performance and Cost Implications

    SciTech Connect (OSTI)

    Kozubal, E.; Herrmann, L.; Deru, M.; Clark, J.; Lowenstein, A.

    2014-09-01T23:59:59.000Z

    Cooling loads must be dramatically reduced when designing net-zero energy buildings or other highly efficient facilities. Advances in this area have focused primarily on reducing a building's sensible cooling loads by improving the envelope, integrating properly sized daylighting systems, adding exterior solar shading devices, and reducing internal heat gains. As sensible loads decrease, however, latent loads remain relatively constant, and thus become a greater fraction of the overall cooling requirement in highly efficient building designs, particularly in humid climates. This shift toward latent cooling is a challenge for heating, ventilation, and air-conditioning (HVAC) systems. Traditional systems typically dehumidify by first overcooling air below the dew-point temperature and then reheating it to an appropriate supply temperature, which requires an excessive amount of energy. Another dehumidification strategy incorporates solid desiccant rotors that remove water from air more efficiently; however, these systems are large and increase fan energy consumption due to the increased airside pressure drop of solid desiccant rotors. A third dehumidification strategy involves high flow liquid desiccant systems. These systems require a high maintenance separator to protect the air distribution system from corrosive desiccant droplet carryover and so are more commonly used in industrial applications and rarely in commercial buildings. Both solid desiccant systems and most high-flow liquid desiccant systems (if not internally cooled) add sensible energy which must later be removed to the air stream during dehumidification, through the release of sensible heat during the sorption process.

  17. Implementation of Smart Operation Strategies for Air-Conditioning and Lighting Systems for Ministries Complex in the State of Kuwait

    E-Print Network [OSTI]

    Al-Mulla, A.; Maheshwari, G. P.; Al-Nakib, D.; Ishaqali, H.

    The smart operation strategies were implemented for Air-Conditioning (A/C) and lighting systems to reduce the national load at Ministries Complex (MC) in the state of Kuwait. The A/C system in MC is a district cooling system that comprises of 8...

  18. Comparative Study Between Air-Cooled and Water-Cooled Condensers of the Air-Conditioning Systems 

    E-Print Network [OSTI]

    Maheshwari, G. P.; Mulla Ali, A. A.

    2004-01-01T23:59:59.000Z

    The weather in Kuwait is very dry where the dry-bulb temperature exceeds the wet-bulb temperature more than 20oC in most of the summer months. Thus, the air-conditioning (A/C) system with the water-cooled (WC) condensers is expected to perform more...

  19. Comparative Study Between Air-Cooled and Water-Cooled Condensers of the Air-Conditioning Systems

    E-Print Network [OSTI]

    Maheshwari, G. P.; Mulla Ali, A. A.

    2004-01-01T23:59:59.000Z

    The weather in Kuwait is very dry where the dry-bulb temperature exceeds the wet-bulb temperature more than 20oC in most of the summer months. Thus, the air-conditioning (A/C) system with the water-cooled (WC) condensers is expected to perform more...

  20. 2014-06-23 Issuance: Energy Conservation Standards for Walk-in Coolers and Freezers; Air-Conditioning, Heating, & Refrigeration Institute Petition for Reconsideration

    Broader source: Energy.gov [DOE]

    This document is the agency response to the Energy Conservation Standards for Walk-in Coolers and Freezers; Air-Conditioning, Heating, & Refrigeration Institute Petition for Reconsideration.

  1. Proposal for the award of a contract for the design, supply, installation and commissioning of an HVAC (Heating, Ventilation and Air Conditioning) system for Building 3862

    E-Print Network [OSTI]

    2014-01-01T23:59:59.000Z

    Proposal for the award of a contract for the design, supply, installation and commissioning of an HVAC (Heating, Ventilation and Air Conditioning) system for Building 3862

  2. Proposal for the award of a contract for dismantling, removal and packaging of the existing Heating, Ventilation and Air-Conditioning (HVAC) systems in the PS tunnel

    E-Print Network [OSTI]

    2012-01-01T23:59:59.000Z

    Proposal for the award of a contract for dismantling, removal and packaging of the existing Heating, Ventilation and Air-Conditioning (HVAC) systems in the PS tunnel

  3. Proposal for the award of a contract for the design, supply, installation and commissioning of Heating, Ventilation and Air-Conditioning (HVAC) systems for the PS accelerator infrastructure

    E-Print Network [OSTI]

    2012-01-01T23:59:59.000Z

    Proposal for the award of a contract for the design, supply, installation and commissioning of Heating, Ventilation and Air-Conditioning (HVAC) systems for the PS accelerator infrastructure

  4. Proposal for the award of two service contracts for the operation, maintenance and other work relating to the heating, ventilation, air-conditioning and plumbing facilities at CERN

    E-Print Network [OSTI]

    2011-01-01T23:59:59.000Z

    Proposal for the award of two service contracts for the operation, maintenance and other work relating to the heating, ventilation, air-conditioning and plumbing facilities at CERN

  5. Fuel Savings and Emission Reductions from Next-Generation Mobile Air Conditioning Technology in India

    SciTech Connect (OSTI)

    Chaney, L.; Thundiyil, K.; Andersen, S.; Chidambaram, S.; Abbi, Y. P.

    2007-01-01T23:59:59.000Z

    Up to 19.4% of vehicle fuel consumption in India is devoted to air conditioning (A/C). Indian A/C fuel consumption is almost four times the fuel penalty in the United States and close to six times that in the European Union because India's temperature and humidity are higher and because road congestion forces vehicles to operate inefficiently. Car A/C efficiency in India is an issue worthy of national attention considering the rate of increase of A/C penetration into the new car market, India's hot climatic conditions and high fuel costs. Car A/C systems originally posed an ozone layer depletion concern. Now that industrialized and many developing countries have moved away from ozone-depleting substances per Montreal Protocol obligations, car A/C impact on climate has captured the attention of policy makers and corporate leaders. Car A/C systems have a climate impact from potent global warming potential gas emissions and from fuel used to power the car A/Cs. This paper focuses on car A/C fuel consumption in the context of the rapidly expanding Indian car market and how new technological improvements can result in significant fuel savings and consequently, emission reductions. A 19.4% fuel penalty is associated with A/C use in the typical Indian passenger car. Car A/C fuel use and associated tailpipe emissions are strong functions of vehicle design, vehicle use, and climate conditions. Several techniques: reducing thermal load, improving vehicle design, improving occupants thermal comfort design, improving equipment, educating consumers on impacts of driver behaviour on MAC fuel use, and others - can lead to reduced A/C fuel consumption.

  6. Commercialization of air conditioning heat pump/water heater. Final technical report, Volume 3: Appendix F through I

    SciTech Connect (OSTI)

    NONE

    1996-01-30T23:59:59.000Z

    This is the final technical report on a commercialization project for an air conditioning heat pump water heater. The objective of the project was to produce a saleable system which would be economically competitive with natural gas and cost effective with regard to initial cost versus annual operating costs. The development and commercialization of the system is described. Compiled data included in numerous figures, tables and graphs.

  7. Commercialization of air conditioning heat pump/water heater. Final technical report, Volume 2: Appendix A through E

    SciTech Connect (OSTI)

    NONE

    1996-01-30T23:59:59.000Z

    This is the final technical report on a commercialization project for an air conditioning heat pump water heater. The objective of the project was to produce a saleable system which would be economically competitive with natural gas and cost effective with regard to initial cost versus annual operating costs. The development and commercialization of the system is described. Compiled data included in numerous figures, tables and graphs.

  8. Module Development and Simulation of the Variable Refrigerant Flow Air Conditioning System under Cooling Conditions in Energyplus

    E-Print Network [OSTI]

    Zhou, Y.; Wu, J.; Wang, R.; Shiochi, S.

    2006-01-01T23:59:59.000Z

    ICEBO2006, Shenzhen, China HVAC Technologies for Energy Efficiency Vol.IV-1-2 Module Development and Simulation of the Variable Refrigerant Flow Air Conditioning System under Cooling Conditions in Energyplus Yanping Zhou Jingyi..., especially for those who ICEBO2006, Shenzhen, China HVAC Technologies for Energy Efficiency Vol.IV-1-2 show some interest about high-efficiency systems like VRF, it becomes of interest to compare the VRF to other systems and evaluate VRF?s performance...

  9. Experiment on TiO2/AC Photocatalysis Technique to Eliminate Toluene in Air Conditioning Systems

    E-Print Network [OSTI]

    Hu, Y.; Feng, G.; Yuan, Q.

    2006-01-01T23:59:59.000Z

    at present, the article proposes that new-type purification technique and hopes to promote the upgrading of the product about purification. 2. INTRODUTION ON THE STRURE AND STUFF OF ACTIVE CARBON AND NANO- TITANIUM DIOXIDE PHOTOCATALYSIS PURIFICATION... WEB What is called active carbon and nano-titanium dioxide photocatalysis technique is to utilize the method of compounding active carbon and nanometer photocatalyst to firstly form absorption layer on supporting body surface by gluing, which...

  10. "Table HC3.7 Air-Conditioning Usage Indicators by Owner-Occupied Housing Unit, 2005"

    U.S. Energy Information Administration (EIA) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere IRaghuraji Agro IndustriesTownDells,1 U.S. Department of Energygasoline4 Space2.9 Home7 Air-Conditioning Usage

  11. The Technical and Economical Analysis of a Centralized Air-Conditioning System with Cold Storage Refrigeration in High-Rise Residential Buildings

    E-Print Network [OSTI]

    Xiang, C.; Xie, G.

    2006-01-01T23:59:59.000Z

    In recent years, the application of a centralized air-conditioning system (CACS) with cold storage refrigeration in high-rise residential buildings has gradually increased. Due to the large difference between civil residential buildings...

  12. NREL's Energy-Saving Technology for Air Conditioning Cuts Peak Power Loads Without Using Harmful Refrigerants (Fact Sheet)

    SciTech Connect (OSTI)

    Not Available

    2012-07-01T23:59:59.000Z

    This fact sheet describes how the DEVAP air conditioner was invented, explains how the technology works, and why it won an R&D 100 Award. Desiccant-enhanced evaporative (DEVAP) air-conditioning will provide superior comfort for commercial buildings in any climate at a small fraction of the electricity costs of conventional air-conditioning equipment, releasing far less carbon dioxide and cutting costly peak electrical demand by an estimated 80%. Air conditioning currently consumes about 15% of the electricity generated in the United States and is a major contributor to peak electrical demand on hot summer days, which can lead to escalating power costs, brownouts, and rolling blackouts. DEVAP employs an innovative combination of air-cooling technologies to reduce energy use by up to 81%. DEVAP also shifts most of the energy needs to thermal energy sources, reducing annual electricity use by up to 90%. In doing so, DEVAP is estimated to cut peak electrical demand by nearly 80% in all climates. Widespread use of this cooling cycle would dramatically cut peak electrical loads throughout the country, saving billions of dollars in investments and operating costs for our nation's electrical utilities. Water is already used as a refrigerant in evaporative coolers, a common and widely used energy-saving technology for arid regions. The technology cools incoming hot, dry air by evaporating water into it. The energy absorbed by the water as it evaporates, known as the latent heat of vaporization, cools the air while humidifying it. However, evaporative coolers only function when the air is dry, and they deliver humid air that can lower the comfort level for building occupants. And even many dry climates like Phoenix, Arizona, have a humid season when evaporative cooling won't work well. DEVAP extends the applicability of evaporative cooling by first using a liquid desiccant-a water-absorbing material-to dry the air. The dry air is then passed to an indirect evaporative cooling stage, in which the incoming air is in thermal contact with a moistened surface that evaporates the water into a separate air stream. As the evaporation cools the moistened surface, it draws heat from the incoming air without adding humidity to it. A number of cooling cycles have been developed that employ indirect evaporative cooling, but DEVAP achieves a superior efficiency relative to its technological siblings.

  13. Understanding the Dehumidification Performance of Air-Conditioning Equipment at Part-Load Conditions

    SciTech Connect (OSTI)

    Don B. Shirey III; Hugh I. Henderson Jr; Richard A. Raustad

    2006-01-01T23:59:59.000Z

    Air conditioner cooling coils typically provide both sensible cooling and moisture removal. Data from a limited number of field studies (Khattar et al. 1985; Henderson and Rengarajan 1996; Henderson 1998) have demonstrated that the moisture removal capacity of a cooling coil degrades at part-load conditions--especially when the supply fan operates continuously while the cooling coil cycles on and off. Degradation occurs because moisture that condenses on the coil surfaces during the cooling cycle evaporates back into air stream when the coil is off. This degradation affects the ability of cooling equipment to maintain proper indoor humidity levels and may negatively impact indoor air quality. This report summarizes the results of a comprehensive project to better understand and quantify the moisture removal (dehumidification) performance of cooling coils at part-load conditions. A review of the open literature was initially conducted to learn from previous research on this topic. Detailed performance measurements were then collected for eight cooling coils in a controlled laboratory setting to understand the impact of coil geometry and operating conditions on transient moisture condensation and evaporation by the coils. Measurements of cooling coil dehumidification performance and space humidity levels were also collected at seven field test sites. Finally, an existing engineering model to predict dehumidification performance degradation for single-stage cooling equipment at part-load conditions (Henderson and Rengarajan 1996) was enhanced to include a broader range of fan control strategies and an improved theoretical basis for modeling off-cycle moisture evaporation from cooling coils. The improved model was validated with the laboratory measurements, and this report provides guidance for users regarding proper model inputs. The model is suitable for use in computerized calculation procedures such as hourly or sub-hourly building energy simulation programs (e.g., DOE's EnergyPlus building energy simulation program, http://www.energyplus.gov ).

  14. Advanced control strategies for heating, ventilation, air-conditioning, and refrigeration systems—An overview: Part I: Hard control

    SciTech Connect (OSTI)

    D. Subbaram Naidu; Craig G. Rieger

    2011-02-01T23:59:59.000Z

    A chronological overview of the advanced control strategies for heating, ventilation, air-conditioning, and refrigeration (HVAC&R) is presented in this article. The overview focuses on hard-computing or control techniques, such as proportional-integral-derivative, optimal, nonlinear, adaptive, and robust; soft-computing or control techniques, such as neural networks, fuzzy logic, genetic algorithms; and on the fusion or hybrid of hard- and soft-control techniques. Thus, it is to be noted that the terminology “hard” and “soft” computing/control has nothing to do with the “hardware” and “software” that is being generally used. Part I of a two-part series focuses on hard-control strategies, and Part II focuses on softand fusion-control in addition to some future directions in HVAC&R research. This overview is not intended to be an exhaustive survey on this topic, and any omission of other works is purely unintentional.

  15. Experimental Study in Energy Performance of Temperature and Humidity Independent Control System with Multiple Split Air-Conditioning System

    E-Print Network [OSTI]

    Kawano,M.

    2014-01-01T23:59:59.000Z

    to realizing Zero Energy Buildings (ZEB). 61% ?F ?F The amount of solar power Performance improvement of a building ? 30% reduction Efficiency of the air conditioning system ? 60? reduction 60% over reduction E le ct ri c P o w e r C o n su m p ti o n (K W h...-09-16 Proceedings of the 14th International Conference for Enhanced Building Operations, Beijing, China, September 14-17, 2014 80 0.1 0.2 0.3 0.4 0.5 0.6 1? 4? 1? 11 ? 1? 16 ? 1? 17 ? 1? 18 ? 1? 21 ? 1? 22 ? 1? 30 ? 1? 31 ? 2? 1? 2? 4? 2? 5? 2? 6? 2? 7? 2? 8? 2? 12...

  16. Impact of Charge Degradation on the Life Cycle Climate Performance of a Residential Air-Conditioning System

    SciTech Connect (OSTI)

    Beshr, Mohamed [University of Maryland, College Park; Aute, Vikrant [University of Maryland, College Park; Abdelaziz, Omar [ORNL; Fricke, Brian A [ORNL; Radermacher, Reinhard [University of Maryland, College Park

    2014-01-01T23:59:59.000Z

    Vapor compression systems continuously leak a small fraction of their refrigerant charge to the environment, whether during operation or servicing. As a result of the slow leak rate occurring during operation, the refrigerant charge decreases until the system is serviced and recharged. This charge degradation, after a certain limit, begins to have a detrimental effect on system capacity, energy consumption, and coefficient of performance (COP). This paper presents a literature review and a summary of previous experimental work on the effect of undercharging or charge degradation of different vapor compression systems, especially those without a receiver. These systems include residential air conditioning and heat pump systems utilizing different components and refrigerants, and water chiller systems. Most of these studies show similar trends for the effect of charge degradation on system performance. However, it is found that although much experimental work exists on the effect of charge degradation on system performance, no correlation or comparison between charge degradation and system performance yet exists. Thus, based on the literature review, three different correlations that characterize the effect of charge on system capacity and energy consumption are developed for different systems as follows: one for air-conditioning systems, one for vapor compression water-to-water chiller systems, and one for heat pumps. These correlations can be implemented in vapor compression cycle simulation tools to obtain a better prediction of the system performance throughout its lifetime. In this paper, these correlations are implemented in an open source tool for life cycle climate performance (LCCP) based design of vapor compression systems. The LCCP of a residential air-source heat pump is evaluated using the tool and the effect of charge degradation on the results is studied. The heat pump is simulated using a validated component-based vapor compression system model and the LCCP results obtained using the three charge degradation correlations are compared.

  17. An update on acoustics designs for HVAC (Engineering) K. Marriott

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    An update on acoustics designs for HVAC (Engineering) K. Marriott IOA, 29a Ashburton Road, Croydon and Air Conditioning (HVAC) engineer is to engineer ways for keeping these factors under control the HVAC engineer's environmental requirements while minimizing noise generated in the process considering

  18. Field Demonstration of a High-Efficiency Packaged Rooftop Air Conditioning Unit at Fort Gordon, Augusta, GA

    SciTech Connect (OSTI)

    Armstrong, Peter R.; Sullivan, Gregory P.; Parker, Graham B.

    2006-03-31T23:59:59.000Z

    As part of a larger program targeting the market transformation of packaged rooftop air conditioning, five high-efficiency rooftop air conditioning products were selected in 2002 by the U.S. Department of Energy (DOE) under the Unitary Air Conditioner (UAC) Technology Procurement (http://www.pnl.gov/uac). In February 2003, Fort Gordon in Augusta, Georgia was chosen as the demonstration site. With the goal of validating the field performance and operation of one of the awarded products, a 10-ton high-efficiency packaged rooftop unit (RTU) manufactured by Global Energy Group (GEG) was installed at Fort Gordon in October 2003. Following equipment installation, power metering, air- and refrigerant-side instrumentation was installed on the GEG RTU and a 4-year old typical-efficiency 20-ton RTU manufactured by AAON . The GEG and AAON units were instrumented identically and operated May through July, 2005, to observe performance under a range of conditions. Based on the data collected as part of this demonstration, the GEG equipment performed at least 8% better in stage-1 (single compressor running) cooling and at least 16% better in stage-2 (both compressors running) than the baseline AAON equipment. Performance comparisons are based on what we call application EER normalized to equivalent specific fan power. The full-load, specific-fan-power-normalized application EERs at ARI design conditions were 10.48 Btu/Wh for the GEG and 9.00 Btu/Wh for the baseline machine. With a cost premium of nearly 50%, and slightly higher maintenance costs, the life-cycle cost analysis shows that the GEG technology pays for itself--a positive net-present value (NPV)--only in climates and buildings with long cooling seasons. Manufacture of this equipment on a larger scale can be expected to reduce costs to the point where it is more broadly cost-effective. The assumed 10-ton baseline and new-technology unit costs are $3824.00 and $5525.00 respectively. If the new technology cost is assumed to drop as sales increase to $4674.50 for a 10-ton unit (i.e. the original cost difference is halved), the life-cycle costs improve. A grid of first cost, annual maintenance cost and electricity price is enumerated and the results presented in the report show the sensitivity of life cycle cost to these three financial parameters in each of eight different climates.

  19. Air conditioning system

    DOE Patents [OSTI]

    Lowenstein, Andrew; Miller, Jeffrey; Gruendeman, Peter; DaSilva, Michael

    2005-02-01T23:59:59.000Z

    An air conditioner comprises a plurality of plates arranged in a successively stacked configuration with portions thereof having a spaced apart arrangement, and defining between successive adjacent pairs of plates at the spaced apart portions a first and second series of discrete alternating passages wherein a first air stream is passed through the first series of passages and a second air stream is passed through the second series of passages; and said stacked configuration of plates forming integrally therewith a liquid delivery means for delivering from a source a sufficient quantity of a liquid to the inside surfaces of the first series of fluid passages in a manner which provides a continuous flow of the liquid from a first end to a second end of the plurality of plates while in contact with the first air stream.

  20. Impact of Solar Control PVB Glass on Vehicle Interior Temperatures, Air-Conditioning Capacity, Fuel Consumption, and Vehicle Range

    SciTech Connect (OSTI)

    Rugh, J.; Chaney, L.; Venson, T.; Ramroth, L.; Rose, M.

    2013-04-01T23:59:59.000Z

    The objective of the study was to assess the impact of Saflex1 S-series Solar Control PVB (polyvinyl butyral) configurations on conventional vehicle fuel economy and electric vehicle (EV) range. The approach included outdoor vehicle thermal soak testing, RadTherm cool-down analysis, and vehicle simulations. Thermal soak tests were conducted at the National Renewable Energy Laboratory's Vehicle Testing and Integration Facility in Golden, Colorado. The test results quantified interior temperature reductions and were used to generate initial conditions for the RadTherm cool-down analysis. The RadTherm model determined the potential reduction in air-conditioning (A/C) capacity, which was used to calculate the A/C load for the vehicle simulations. The vehicle simulation tool identified the potential reduction in fuel consumption or improvement in EV range between a baseline and modified configurations for the city and highway drive cycles. The thermal analysis determined a potential 4.0% reduction in A/C power for the Saflex Solar PVB solar control configuration. The reduction in A/C power improved the vehicle range of EVs and fuel economy of conventional vehicles and plug-in hybrid electric vehicles.

  1. Deemed Savings Estimates for Legacy Air Conditioning and WaterHeating Direct Load Control Programs in PJM Region

    SciTech Connect (OSTI)

    Goldman, Charles

    2007-03-01T23:59:59.000Z

    During 2005 and 2006, the PJM Interconnection (PJM) Load Analysis Subcommittee (LAS) examined ways to reduce the costs and improve the effectiveness of its existing measurement and verification (M&V) protocols for Direct Load Control (DLC) programs. The current M&V protocol requires that a PURPA-compliant Load Research study be conducted every five years for each Load-Serving Entity (LSE). The current M&V protocol is expensive to implement and administer particularly for mature load control programs, some of which are marginally cost-effective. There was growing evidence that some LSEs were mothballing or dropping their DLC programs in lieu of incurring the expense associated with the M&V. This project had several objectives: (1) examine the potential for developing deemed savings estimates acceptable to PJM for legacy air conditioning and water heating DLC programs, and (2) explore the development of a collaborative, regional, consensus-based approach for conducting monitoring and verification of load reductions for emerging load management technologies for customers that do not have interval metering capability.

  2. ISSUANCE 2015-07-27: Energy Conservation Program: Test Procedures for Small, Large, and Very Large Air-Cooled Commercial Package Air Conditioning and Heating Equipment, Notice of Proposed Rulemaking

    Broader source: Energy.gov [DOE]

    Energy Conservation Program: Test Procedures for Small, Large, and Very Large Air-Cooled Commercial Package Air Conditioning and Heating Equipment, Notice of Proposed Rulemaking

  3. Engineering Faculty and Staff Awards Dinner

    E-Print Network [OSTI]

    Gelfond, Michael

    Tenured and Promoted to Professor of Civil and Environmental Engineering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Yanzhang Ma Tenured and Promoted to Associate Professor of Civil and Environmental Engineering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bill Lawson Tenured and Promoted to Associate Professor of Civil and Environmental Engineering

  4. Proposal for the award of a contract for the supply and installation of an air-conditioning system for the CERN Computer Centre

    E-Print Network [OSTI]

    2005-01-01T23:59:59.000Z

    This document concerns the award of a contract for the supply and installation of an air-conditioning system for the CERN Computer Centre. The Finance Committee is invited to agree to the negotiation of a contract with INIZIATIVE INDUSTRIALI (IT), the lowest bidder, for the supply and installation of an air-conditioning system for the CERN Computer Centre for a total amount of 2 375 280 euros (3 654 277 Swiss francs) not subject to revision, with options for additional chillers, chilled water coils and sound attenuation, for an additional amount of 539 053 euros (829 312 Swiss francs), bringing the total amount to 2 914 333 euros (4 483 589 Swiss francs), not subject to revision. The rate of exchange used is that stipulated in the tender.

  5. ENGINEERING

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    ENGINEERING the Future of ENERGY Regional University Alliance National Energy Technology Laboratory Office of Research and Development The Future of Energy The time to redraw...

  6. 2014-09-23 Issuance: Energy Conservation Standard for Walk-in Coolers and Freezers; Air-Conditioning, Heating, & Refrigeration Institute Petition for Reconsideration Notice of Public Meeting

    Broader source: Energy.gov [DOE]

    This document is a pre-publication Federal Register notice of public meeting regarding energy conservation standards for walk-in coolers and freezers; Air-Conditioning, Heating, & Refrigeration Institute petition for reconsideration, as issued by the Deputy Assistant Secretary for Energy Efficiency on September 23, 2014. Though it is not intended or expected, should any discrepancy occur between the document posted here and the document published in the Federal Register, the Federal Register publication controls. This document is being made available through the Internet solely as a means to facilitate the public's access to this document.

  7. Proposal for the award of a contract for the design, supply, installation and commissioning of a Heating, Ventilation and Air-Conditioning (HVAC) system for the computer room of the CERN Control Centre

    E-Print Network [OSTI]

    2012-01-01T23:59:59.000Z

    Proposal for the award of a contract for the design, supply, installation and commissioning of a Heating, Ventilation and Air-Conditioning (HVAC) system for the computer room of the CERN Control Centre

  8. Proposal for the award of a contract for the design, supply, installation and commissioning of a Heating Ventilation and Air Conditioning (HVAC) system for the HIE-ISOLDE infrastructure

    E-Print Network [OSTI]

    2012-01-01T23:59:59.000Z

    Proposal for the award of a contract for the design, supply, installation and commissioning of a Heating Ventilation and Air Conditioning (HVAC) system for the HIE-ISOLDE infrastructure

  9. Future Air Conditioning Energy Consumption in Developing Countriesand what can be done about it: The Potential of Efficiency in theResidential Sector

    SciTech Connect (OSTI)

    McNeil, Michael A.; Letschert, Virginie E.

    2007-05-01T23:59:59.000Z

    The dynamics of air conditioning are of particular interestto energy analysts, both because of the high energy consumption of thisproduct, but also its disproportionate impact on peak load. This paperaddresses the special role of this end use as a driver of residentialelectricity consumption in rapidly developing economies. Recent historyhas shown that air conditioner ownership can grow grows more rapidly thaneconomic growth in warm-climate countries. In 1990, less than a percentof urban Chinese households owned an air conditioner; by 2003 this numberrose to 62 percent. The evidence suggests a similar explosion of airconditioner use in many other countries is not far behind. Room airconditioner purchases in India are currently growing at 20 percent peryear, with about half of these purchases attributed to the residentialsector. This paper draws on two distinct methodological elements toassess future residential air conditioner 'business as usual' electricityconsumption by country/region and to consider specific alternative 'highefficiency' scenarios. The first component is an econometric ownershipand use model based on household income, climate and demographicparameters. The second combines ownership forecasts and stock accountingwith geographically specific efficiency scenarios within a uniqueanalysis framework (BUENAS) developed by LBNL. The efficiency scenariomodule considers current efficiency baselines, available technologies,and achievable timelines for development of market transformationprograms, such as minimum efficiency performance standards (MEPS) andlabeling programs. The result is a detailed set of consumption andemissions scenarios for residential air conditioning.

  10. Engines

    SciTech Connect (OSTI)

    Enga, B.E.

    1981-08-25T23:59:59.000Z

    This invention relates to Stirling engines and to improved methods of operation whereby catalytic oxidation of a major proportion of the fuel takes place in the external combustor. An external combustion unit of a Stirling engine comprises a catalytic combustor having a thermally stable and oxidation resistant monolith made from and/or carrying a catalytic material and including a multiplicity of flow paths for catalytic combustion of combustible gases and injected fuel. The use of a catalytic combustor in accordance with this invention enables a Stirling or other engine fitted therewith to be used in areas such as mines and underwater installations where conventional flame combustion is impracticable or is controlled by stringent regulations.

  11. Engineering

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742EnergyOnItem NotEnergy,ARMFormsGasReleaseSpeeches Energy Speeches RSS June 25,Engineering

  12. Engineering

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville Power AdministrationField8, 2000Consumption SurveyEnergyphysicist Dave JohnsonEngineering

  13. Engineering Engineering

    E-Print Network [OSTI]

    Maroncelli, Mark

    T A C T i N f O r M A T i O N #12;4 engineering is the profession in which a knowledge of advancedEngineering Engineering Technology & A T P E N N S T A T E 2 0 1 0 ­ 2 0 1 1 #12;2 Join us at penn state! Since 1896, Penn State has been a leader in engineering and engineering technology education

  14. .......Agnew Hall .......Air Conditioning Facility

    E-Print Network [OSTI]

    Buehrer, R. Michael

    /Burleson Tennis Center .......Burruss Hall .......Campbell Hall .......Cassell Coliseum .......Central Stores .......Dietrick Hall .......Durham Hall .......Eggleston Hall .......Engel Hall D.....English Field .......Femoyer .......Golf Course Clubhouse .......Graduate Life Center at ........Donaldson Brown .......Greenhouses

  15. Optimization of Air Conditioning Cycling

    E-Print Network [OSTI]

    Seshadri, Swarooph

    2012-10-19T23:59:59.000Z

    on a 3-ton residential air conditioner are then presented to intuitively understand the effect of expansion valve and evaporator fan cycling in a real system. A real time optimization method is explored and the feasibility, recommendations for a...

  16. Air Conditioning | Department of Energy

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directed off Energy.gov. Are you sure you want toworldPower 2010 1A Potential PathAddingAhorre

  17. Air Conditioning | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onYouTube YouTube Note: Since the YouTube platform is alwaysISO 50001EnergyNewsletterAdvocateInnovations inEnergyAir

  18. Broadening Participation in Engineering

    E-Print Network [OSTI]

    Tilbury, Dawn

    NSF Mission To promote the progress of science; to advance the national health, prosperity;5 Renewable Energy Technologies Solar Photovoltaic Power & Fuels Biomass Conversion, Biofuels & Bio Advance health informatics Engineer better medicines Reverse-engineer the brain Prevent nuclear terror

  19. Indoor Environmental Quality Benefits of Apartment Energy Retrofits

    E-Print Network [OSTI]

    Noris, Federico

    2014-01-01T23:59:59.000Z

    Refrigerating, and Air Conditioning Engineers, Inc; 2010. [Refrigerating, and Air Conditioning Engineers, Inc. ;

  20. The Institute of Medicine and National Academy of Engineering announced the Go Viral to Improve Health challenge to promote interaction among

    E-Print Network [OSTI]

    Mohaghegh, Shahab

    and to spur interest in harnessing new technologies and data to solve vexing health issues. The challenge to work in interdisciplinary teams to transform health data into new mobile apps, online tools or games technologies in the exhibit hall at this national gathering of software engineers, developers, and health

  1. Engineering Engineering

    E-Print Network [OSTI]

    Keinan, Alon

    of global poverty and sustainability". An ESW course, offered by Civil & Environmental Engineering, teaches as an alternative to diesel fuel, storm-water management in the Virgin Islands, and construction of a bridge here

  2. Risk Factors in Heating, Ventilating, and Air-Conditioning Systemsfor Occupant Symptoms in U.S. Office Buildings: the EPA BASE Study

    SciTech Connect (OSTI)

    Mendell, M.J.; Lei-Gomez, Q.; Mirer, A.; Seppanen, O.; Brunner, G.

    2006-10-01T23:59:59.000Z

    Nonspecific building-related symptoms among occupants of modern office buildings worldwide are common and may be associated with important reductions in work performance, but their etiology remains uncertain. Characteristics of heating, ventilating, and air-conditioning (HVAC) systems in office buildings that increase risk of indoor contaminants or reduce effectiveness of ventilation may cause adverse exposures and subsequent increase in these symptoms among occupants. We analyzed data collected by the U.S. EPA from a representative sample of 100 large U.S. office buildings--the Building Assessment and Survey Evaluation (BASE) study--using multivariate logistic regression models with generalized estimating equations adjusted for potential personal and building confounders. We estimated odds ratios (ORs) and 95% confidence intervals (CIs) for associations between seven building-related symptom outcomes and selected HVAC system characteristics. Among factors of HVAC design or configuration: Outdoor air intakes less than 60 m above the ground were associated with approximately doubled odds of most symptoms assessed. Sealed (non-operable) windows were associated with increases in skin and eye symptoms (ORs= 1.9, 1.3, respectively). Outdoor air intake without an intake fan was associated with an increase in eye symptoms (OR=1.7). Local cooling coils were associated with increased headache (OR=1.5). Among factors of HVAC condition, maintenance, or operation: the presence of humidification systems in good condition was associated with an increase in headache (OR=1.4), whereas the presence of humidification systems in poor condition was associated with increases in fatigue/difficulty concentrating, as well as upper respiratory symptoms (ORs=1.8, 1.5). No regularly scheduled inspections for HVAC components was associated with increased eye symptoms, cough and upper respiratory symptoms (ORs=2.2, 1.6, 1.5). Less frequent cleaning of cooling coils or drip pans was associated with increased headache (OR=1.6). Fair or poor condition of duct liner was associated with increased upper respiratory symptoms (OR=1.4). Most of the many potential risk factors assessed here had not been investigated previously, and associations found with single symptoms may have been by chance, including several associations that were the reverse of expected. Risk factors newly identified in these analyses that deserve attention include outdoor air intakes less than 60 m above the ground, lack of operable windows, poorly maintained humidification systems, and lack of scheduled inspection for HVAC systems. Infrequent cleaning of cooling coils and drain pans were associated with increases in several symptoms in these as well as prior analyses of BASE data. Replication of these findings is needed, using more objective measurements of both exposure and health response. Confirmation of the specific HVAC factors responsible for increased symptoms in buildings, and development of prevention strategies could have major public health and economic benefits worldwide.

  3. 2014-11-25 Issuance: Energy Conservation Standards for Small, Large, and Very Large Air-cooled Commercial Package Air Conditioning and Heating Equipment; Extension of Public Comment Period

    Broader source: Energy.gov [DOE]

    This document is a pre-publication Federal Register extension of the public comment period regarding energy conservation standards for small, large and very large air-cool commercial package air conditioning and heating equipment, as issued by the Deputy Assistant Secretary for Energy Efficiency on November 25, 2014. Though it is not intended or expected, should any discrepancy occur between the document posted here and the document published in the Federal Register, the Federal Register publication controls. This document is being made available through the Internet solely as a means to facilitate the public's access to this document.

  4. Engineering Technician

    Broader source: Energy.gov [DOE]

    Alternate Title(s):Civil Engineering Technician; Electrical Engineering Technician; Mechanical Engineering Technician; Environmental Engineering Technician

  5. Extending air temperature setpoints: Simulated energy savings and design considerations for new and retrofit buildings

    E-Print Network [OSTI]

    Hoyt, Tyler; Arens, Edward; Zhang, Hui

    2014-01-01T23:59:59.000Z

    Refrigerating, and Air Conditioning Engineers (ASHRAE);Refrigerating and Air Conditioning Engineers (ASHRAE); 2012.Refrigerating and Air-Conditioning Engineers (ASHRAE); [5

  6. Infiltration as Ventilation: Weather-Induced Dilution

    E-Print Network [OSTI]

    Sherman, Max H.

    2014-01-01T23:59:59.000Z

    Refrigerating and Air Conditioning Engineers. ASHRAERefrigerating and Air Conditioning Engineers. ASTM, StandardRefrigerating and Air-Conditioning Engineers (ASHRAE) is the

  7. Developing evidence-based prescriptive ventilation rate standards for commercial buildings in California: a proposed framework

    E-Print Network [OSTI]

    Mendell, Mark J.

    2014-01-01T23:59:59.000Z

    Refrigerating, and Air Conditioning Engineers, Inc. ASHRAE.Refrigerating and Air- Conditioning Engineers, Inc. ASHRAE.Refrigerating and Air-Conditioning Engineers, Inc. Beko Gl,

  8. DEMAND CONTROLLED VENTILATION AND CLASSROOM VENTILATION

    E-Print Network [OSTI]

    Fisk, William J.

    2014-01-01T23:59:59.000Z

    Refrigerating, and Air Conditioning Engineers, Inc. ---.Refrigerating and Air-Conditioning Engineers, Inc. ASTM.Refrigerating, and Air Conditioning Engineers, Inc. , 213-

  9. Demand Controlled Ventilation and Classroom Ventilation

    E-Print Network [OSTI]

    Fisk, William J.

    2014-01-01T23:59:59.000Z

    Refrigerating, and Air Conditioning Engineers, Inc. ---.Refrigerating and Air-Conditioning Engineers, Inc. ASTM.Refrigerating, and Air Conditioning Engineers, Inc. , 213-

  10. Impact of Independently Controlling Ventilation Rate per Person and Ventilation Rate per Floor Area on Perceived Air Quality, Sick Building Symptoms and Decision Making

    E-Print Network [OSTI]

    Maddalena, Randy

    2014-01-01T23:59:59.000Z

    REFRIGERATING AND AIR CONDITIONING ENGINEERS, 103, 244-255.Heating, Refrigerating, and Air Conditioning Engineers, Inc.REFRIGERATING AND AIR CONDITIONING ENGINEERS, 113(2), 466.

  11. Engineering Electrical &

    E-Print Network [OSTI]

    Hickman, Mark

    Computer Engineering Electrical & Electronic Engineering Mechatronics Engineering Mechanical Engineering Civil Engineering Natural Resources Engineering Forest Engineering Chemical & Process Engineering ELECTIVE 2 Required Engineering Intermediate Year 2011 Eight Required Courses Chart: 120 points College

  12. Engineering Electrical &

    E-Print Network [OSTI]

    Hickman, Mark

    Computer Engineering Electrical & Electronic Engineering Mechatronics Engineering Mechanical Engineering Civil Engineering Natural Resources Engineering Forest Engineering Chemical & Process Engineering ELECTIVE 2 Required Engineering Intermediate Year 2012 Eight Required Courses Chart: 120 points College

  13. Engineering Engineering Education

    E-Print Network [OSTI]

    Simaan, Nabil

    E School of Engineering Engineering Education in a University Setting 292 Degree Programs in Engineering 294 Special Programs 296 Honors 298 Academic Regulations 300 Courses of Study 305 Engineering of Engineering is the largest and oldest private engineering school in the South. Classes offering engineering

  14. Industrial Engineering Industrial Advisory Board

    E-Print Network [OSTI]

    Gelfond, Michael

    Industrial Engineering Industrial Advisory Board (IAB) #12;PURPOSE: The Texas Tech University - Industrial Engineering Industrial Ad- visory Board (IAB) is an association of professionals with a com- mon goal - promoting and developing the Texas Tech Department of Industrial Engineering and its students

  15. Comparison of Building Energy Modeling Programs: Building Loads

    E-Print Network [OSTI]

    Zhu, Dandan

    2014-01-01T23:59:59.000Z

    Refrigerating and Air-Conditioning Engineers. Judkoff, R. ,room and calculation of air conditioning load. ASHRAE Trans,Refrigerating and Air-Conditioning Engineers, Atlanta, GA.

  16. Design and Control of Hydronic Radiant Cooling Systems

    E-Print Network [OSTI]

    Feng, Jingjuan Dove

    2014-01-01T23:59:59.000Z

    Refrigerating and Air- Conditioning Engineers, Atlanta(European Heating and Air-Conditioning Associations. Bauman,HEATING REFRIGERATING AND AIR CONDITIONING ENGINEERS 106(1):

  17. Association of Classroom Ventilation with Reduced Illness Absence: A Prospective Study in California Elementary Schools

    E-Print Network [OSTI]

    Mendell, Mark J.

    2014-01-01T23:59:59.000Z

    Heating, Refrigerating and Air- Conditioning Engineers, Inc.CO 2 concentrations AC air-conditioning ADA Actual DailyRefrigerating and Air Conditioning Engineers BA Bay Area CI

  18. Advanced Controls and Sustainable Systems for Residential Ventilation

    E-Print Network [OSTI]

    Turner, William J.N.

    2014-01-01T23:59:59.000Z

    Washinton D.C. , Air Conditioning Contractors of America.Refrigeration and Air Conditioning Engineers. ASHRAE 2009a.Refrigerating, and Air-Conditioning Engineers. ASHRAE 2009b.

  19. Integrating Energy and Indoor Environmental Quality Retrofits in Apartments

    E-Print Network [OSTI]

    Fisk, William J.

    2014-01-01T23:59:59.000Z

    ventilating, and air conditioning Indoor air quality IndoorRefrigerating, and Air Conditioning Engineers, Inc. ASHRAE (Refrigerating, and Air Conditioning Engineers, Inc. ASHRAE (

  20. A review of methods to match building energy simulation models to measured data

    E-Print Network [OSTI]

    Coakley, Daniel; Raftery, Paul; Keane, Marcus

    2014-01-01T23:59:59.000Z

    Refrigerating and Air-Conditioning Engineers; 2011. Lybergfor audit methods in air conditioning (AUDITAC) ?nal report.Refrigerating and Air- Conditioning Engineers; 2002. [25

  1. Healthy Zero Energy Buildings (HZEB) Program Interim Report on Cross Sectional Study of Contaminant Levels, Source Strengths, and Ventilation Rates in Retail Stores

    E-Print Network [OSTI]

    Chan, Wanyu R.

    2014-01-01T23:59:59.000Z

    Refrigerating, and Air Conditioning Engineers, Inc. Bennett,Ventilating, and Air Conditioning Survey of Small and MediumRefrigerating and Air- Conditioning Engineers (ASHRAE,

  2. System Effects of High Efficiency Filters in Homes

    E-Print Network [OSTI]

    Walker, Iain S.

    2014-01-01T23:59:59.000Z

    Air Flow in Residential Air Conditioning Systems. ASHRAErefrigerating and Air-conditioning Engineers, Atlanta, GA.refrigerating and Air-conditioning Engineers, Atlanta, GA.

  3. Energy Implications of In-line filtration in California Homes

    E-Print Network [OSTI]

    Walker, Iain S.

    2014-01-01T23:59:59.000Z

    Air Flow in Residential Air Conditioning Systems. ASHRAErefrigerating and Air-conditioning Engineers, Atlanta, GA.Refrigerating and Air- conditioning Engineers, Atlanta, GA.

  4. Cooling efficiency of a brushless direct current stand fan

    E-Print Network [OSTI]

    Yang, Bin; Schiavon, Stefano; Sekhar, Chandra; Cheong, David; Tham, Kwok Wai; Nazaroff, William W

    2014-01-01T23:59:59.000Z

    refrigeration and Air-Conditioning Engineers (ANSI/ASHRAErefrigeration and Air-Conditioning Engineers. [46] Gagge AP,than compressor-based air conditioning. To evaluate the

  5. Cooling efficiency of a brushless direct current stand fan

    E-Print Network [OSTI]

    Yang, Bin; Schiavon, Stefano; Sekhar, Chandra; Cheong, David; Tham, Kwok Wai; Nazaroff, William W

    2015-01-01T23:59:59.000Z

    refrigeration and Air-Conditioning Engineers (ANSI/ASHRAErefrigeration and Air-Conditioning Engineers. [46] Gagge AP,than compressor-based air conditioning. To evaluate the

  6. Indoor environmental quality, adaptive action and thermal comfort in naturally ventilated and mixed-mode buildings

    E-Print Network [OSTI]

    Honnekeri, Anoop N

    2014-01-01T23:59:59.000Z

    Refrigerating and Air-Conditioning Engineers. ANSI/ASHRAE (Refrigerating and Air-Conditioning Engineers. Apte MG, FiskCooling without air conditioning: The Torrent Research

  7. Commissioning Residential Ventilation Systems: A Combined Assessment of Energy and Air Quality Potential Values

    E-Print Network [OSTI]

    Turner, William J.N.

    2014-01-01T23:59:59.000Z

    Washinton D.C. , Air Conditioning Contractors of America.Refrigeration and Air Conditioning Engineers. ASHRAE 2009a.Refrigerating, and Air-Conditioning Engineers. ASHRAE 2009b.

  8. ENGINEERING TECHNOLOGY Engineering Technology

    E-Print Network [OSTI]

    ENGINEERING TECHNOLOGY Engineering Technology Program The Bachelor of Science in Engineering Technology (BSET) is a hands-on program based upon engineering technology fundamentals, engineering for employment or further education. The focus is on current engineering technology issues and applications used

  9. Hydrogel surfaces to promote attachment and spreading of endothelial progenitor cells

    E-Print Network [OSTI]

    Camci-Unal, Gulden

    Endothelialization of artificial vascular grafts is a challenging process in cardiovascular tissue engineering. Functionalized biomaterials could be promising candidates to promote endothelialization in repair of cardiovascular ...

  10. Biomedical | Chemical & Biomolecular | Civil & Environmental | Electrical & Computer | Industrial | Mechanical | Petroleum Careers in Chemical Engineering

    E-Print Network [OSTI]

    Azevedo, Ricardo

    | Mechanical | Petroleum Careers in Chemical Engineering Career opportunities in chemical engineering that new chemical engineering graduates have an average starting salary of $67,600. The University from industry professionals and participate in activities that promote engineering. Chemical

  11. ORISE: Health Promotion and Outreach

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Health Promotion and Outreach Health Promotion & Outreach The Oak Ridge Institute for Science and Education (ORISE) provides health promotion and outreach support to government...

  12. BEETIT: Building Cooling and Air Conditioning

    SciTech Connect (OSTI)

    None

    2010-09-01T23:59:59.000Z

    BEETIT Project: The 14 projects that comprise ARPA-E’s BEETIT Project, short for “Building Energy Efficiency Through Innovative Thermodevices,” are developing new approaches and technologies for building cooling equipment and air conditioners. These projects aim to drastically improve building energy efficiency and reduce greenhouse gas emissions such as carbon dioxide (CO2) at a cost comparable to current technologies.

  13. Alternative Refrigerants for Building Air Conditioning 

    E-Print Network [OSTI]

    Bivens, D. B.

    1996-01-01T23:59:59.000Z

    , and HFC-245ca. HCFC-22 is also scheduled for phase-out, and three alternatives for HCFC-22 have been identified: HFC-134a, a near-azeotropic mixture of R32/Rl25, and a zeotropic mixture of R32/R125/R134a. Performance test results, future potential energy...

  14. Central Air Conditioning | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onYouTube YouTube Note: Since the YouTube platformBuilding RemovalCSS LetterStateDepartmentAnnounce Results ofCentral Air

  15. Air-Conditioning Basics | Department of Energy

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directed off Energy.gov. Are you sure you want toworldPower 2010 1A Potential PathAddingAhorreLeaks

  16. Heating, Ventilation and Air Conditioning Efficiency

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742Energy ChinaofSchaefer To:Department of Energy CompletingPresented By: WALTER E. JOHNSTON, PE

  17. Heating, Ventilation and Air Conditioning Efficiency

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onYouTube YouTube Note: Since the.pdfBreaking of Blythe Solar Power ProjectHawai'iPresented By: WALTER E. JOHNSTON, PE

  18. Science & Engineering Engineering Databases

    E-Print Network [OSTI]

    Hampton, Randy

    -present. Good for computers, electronics, biomedical, control, electrical and ocean engineering, physics9/09 DK,DS Science & Engineering Library Engineering Databases How to search the engineering initials Special features: Limit to peer-reviewed journals Compendex [Engineering Index] 1884-present

  19. 33engineering EnginEEring and

    E-Print Network [OSTI]

    Wagner, Stephan

    33engineering EnginEEring and ThE builT EnvironmEnT www.wits.ac.za/ebe #12;34 guide for applicants 2015 The study of Engineering Career opportunities for engineers are limitless and extend beyond the formal engineering sector. A career in engineering requires special talents ­ engineers need

  20. Proposal for the award of a contract for the design, supply, installation and commissioning of a ventilation and air conditioning system for the ECN3 experimental area and the TCC8 and GHN300 service tunnels and for the dismantling of the existing system

    E-Print Network [OSTI]

    2014-01-01T23:59:59.000Z

    Proposal for the award of a contract for the design, supply, installation and commissioning of a ventilation and air conditioning system for the ECN3 experimental area and the TCC8 and GHN300 service tunnels and for the dismantling of the existing system

  1. Geothermal: Promotional Video

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Promotional Video Geothermal Technologies Legacy Collection HelpFAQ | Site Map | Contact Us HomeBasic Search About Publications Advanced Search New Hot Docs News Related Links...

  2. High expression Zymomonas promoters

    DOE Patents [OSTI]

    Viitanen, Paul V. (West Chester, PA); Tao, Luan (Havertown, PA); Zhang, Yuying (New Hope, PA); Caimi, Perry G. (Kennett Square, PA); McCole, Laura (East Fallowfield, PA): Zhang, Min (Lakewood, CO); Chou, Yat-Chen (Lakewood, CO); McCutchen, Carol M. (Wilmington, DE); Franden, Mary Ann (Centennial, CO)

    2011-08-02T23:59:59.000Z

    Identified are mutants of the promoter of the Z. mobilis glyceraldehyde-3-phosphate dehydrogenase gene, which direct improved expression levels of operably linked heterologous nucleic acids. These are high expression promoters useful for expression of chimeric genes in Zymomonas, Zymobacter, and other related bacteria.

  3. NAVARRO RESEARCH AND ENGINEERING, INC

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    is supplied by Rocky Mountain Power. Natural gas is supplied by the field for use in heating, air conditioning, and running equipment. Potable water is available from an...

  4. Measurement and Standards for Computational Science and Engineering 1 Computation has become a critical tool for the practice of science and engineering. Modern research and development leading

    E-Print Network [OSTI]

    Boisvert, Ronald F.

    of mathematical methods, algorithms, and software are crucial to the advance of modern science and engineeringMeasurement and Standards for Computational Science and Engineering 1 Computation has become. ITL promotes advancement in computational science and engineering by providing fundamental

  5. A U.S. and China Regional Analysis of Distributed Energy Resources in Buildings

    E-Print Network [OSTI]

    Feng, Wei

    2014-01-01T23:59:59.000Z

    Refrigerating and Air-Conditioning Engineers combined heatSolar thermal air conditioning and heating technologies are2011). However, solar air conditioning can be attractive

  6. Building Energy-Efficiency Best Practice Policies and Policy Packages

    E-Print Network [OSTI]

    Levine, Mark

    2014-01-01T23:59:59.000Z

    increased use of air conditioning. Given current energy useRefrigerating and Air-Conditioning Engineers BCAP Buildingventilation, and air-conditioning IBR Shenzhen Institute of

  7. Revealing Occupancy Diversity Factors in Buildings Using Sensor Data

    E-Print Network [OSTI]

    Bouffaron, Pierrick

    2014-01-01T23:59:59.000Z

    for building VAV air-conditioning systems. Energy andRefrigerating and Air-Conditioning Engineers, Inc; 2004.Ventilation, and Air Conditioning) systems represent the

  8. Comparative Policy Study for Green Buildings in U.S. and China

    E-Print Network [OSTI]

    Khanna, Nina

    2014-01-01T23:59:59.000Z

    Refrigerating and Air-Conditioning Engineers (ASHRAE)least 75% of homes use air-conditioning equipment except inthird of homes use air conditioning. The main space heating

  9. Procedures and Standards for Residential Ventilation System Commissioning: An Annotated Bibliography

    E-Print Network [OSTI]

    Stratton, J. Chris

    2014-01-01T23:59:59.000Z

    Arlington, VA: Air- Conditioning, Heating, and RefrigerationRefrigerating, and Air Conditioning Engineers. Bowser, D.Technical Standards for the Air Conditioning and Heat Pump

  10. Adventitious ventilation: a new definition for an old mode?

    E-Print Network [OSTI]

    Schiavon, Stefano

    2014-01-01T23:59:59.000Z

    Refrigeration and Air-Conditioning Engineers (ASHRAEof ventilation and air- conditioning system types in officeto natural ventilation, air conditioning, with or without

  11. Evaluation of an Incremental Ventilation Energy Model for Estimating Impacts of Air Sealing and Mechanical Ventilation

    E-Print Network [OSTI]

    Logue, Jennifer M.

    2014-01-01T23:59:59.000Z

    Calculation 8th Edition, Air Conditioning Contractors ofArlington, VA, Air-Conditioning, Heating and RefrigerationRefrigerating and Air Conditioning Engineers. Standard 136.

  12. Fact Sheet: Improving Energy Efficiency for Server Rooms and Closets

    E-Print Network [OSTI]

    Cheung, Hoi Ying Iris

    2014-01-01T23:59:59.000Z

    Heating, Ventilation and Air Conditioning Power Distributionlike a packaged air conditioning unit) for your server room(Refrigerating and Air-Conditioning Engineers’ (ASHRAE)

  13. Energy Implications of In-Line Filtration in California

    E-Print Network [OSTI]

    Walker, Iain S.

    2014-01-01T23:59:59.000Z

    Air Flow in Residential Air Conditioning Systems. ASHRAERefrigeration and Air- conditioning Engineers, Atlanta, GA.Heat Exchanger Coils. Air Conditioning and Refrigeration

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

    E-Print Network [OSTI]

    Regnier, Cindy

    2014-01-01T23:59:59.000Z

    Refrigerating and Air-Conditioning Engineers) Standard 55, “mode (combination of air conditioning and use of naturalrather than full air conditioning Continued on next page

  15. Model-Based Hierarchical Optimal Control Design for HVAC Systems

    E-Print Network [OSTI]

    Maasoumy, Mehdi; Pinto, Alessandro; Sangiovanni-Vincentelli, Alberto

    2014-01-01T23:59:59.000Z

    Re- frigerating, and Air-Conditioning Engineers, 1989. [16]ventilating, and air conditioning system with thermal loadand cooling loads in air conditioning practice. The walls

  16. Modeling the comfort effects of short-wave solar radiation indoors

    E-Print Network [OSTI]

    Arens, Edward; Huang, Li; Hoyt, Tyler; Zhou, Xin; Schiavon, Stefano

    2014-01-01T23:59:59.000Z

    Refrigerating and Air-Conditioning Engineers (ASHRAE);comfort and on the air conditioning energy needed to correctby energy-intensive air-conditioning. Second, solar gain in

  17. Building operating systems services: An architecture for programmable buildings.

    E-Print Network [OSTI]

    Dawson-Haggerty, Stephen

    2014-01-01T23:59:59.000Z

    Heating, Ventilation, and Air Conditioning 2.1.2 LightingVentilation, and Air Conditioning Heating, ventilation, andRefrigerating and Air-Conditioning Engineers. ASHRAE

  18. Controlling Energy-Efficient Buildings in the Context of Smart Grid: A Cyber Physical System Approach

    E-Print Network [OSTI]

    Maasoumy, Mehdi

    2014-01-01T23:59:59.000Z

    tempera- ture control of air-conditioning systems concerningventilat- ing, and air conditioning system with thermal loadRefrigerating, and Air- Conditioning Engineers, 1989. [78

  19. Building Performance Simulation

    E-Print Network [OSTI]

    Hong, Tianzhen

    2014-01-01T23:59:59.000Z

    Ventilation  and  Air? conditioning, Shanghai, 2011.   10.ven- tilation, and air conditioning) systems, lighting (forRefrigerating, and Air-Conditioning Engineers, Inc. ASHRAE.

  20. Mechanical Engineering Department Technical Review

    SciTech Connect (OSTI)

    Carr, R.B.; Denney, R.M. (eds.)

    1981-07-01T23:59:59.000Z

    The Mechanical Engineering Department Technical Review is published to inform readers of various technical activities within the Department, promote exchange of ideas, and give credit to personnel who are achieving the results. The report is presented in two parts: technical achievements and publication abstracts. The first is divided into seven sections, each of which reports on an engineering division and its specific activities related to nuclear tests, nuclear explosives, weapons, energy systems, engineering sciences, magnetic fusion, and materials fabrication.

  1. General Engineer (Chief Engineer)

    Broader source: Energy.gov [DOE]

    This position is located in the Office of the Manager. If selected for this position you will serve as a General Engineer (Chief Engineer) in the Office of the Manager for the Department of Energy,...

  2. Engineering Careers: Software Engineering

    E-Print Network [OSTI]

    Fenster, Sam

    of others When you screw up, you can do it on a massive scale #12;Totally unlike other engineering electronic device #12;Software tools Software engineers build their own tools The OS on your laptop;Just like other engineering Established body of knowledge Established practices Build on the work

  3. College of Engineering Engineering in

    E-Print Network [OSTI]

    Lin, Zhiqun

    in engineering education · Fundamental knowledge ­ practical skills ­ leadership values · Creating · InspiringCollege of Engineering Engineering in Social Context Jonathan Wickert Dean of Engineering #12;College of Engineering Game changers of the 20th century ... · Electrification · Automobile · Airplane

  4. Introduction Systems Engineering Fundamentals ENGINEERING

    E-Print Network [OSTI]

    Rhoads, James

    Introduction Systems Engineering Fundamentals i SYSTEMS ENGINEERING FUNDAMENTALS January 2001;Systems Engineering Fundamentals Introduction ii #12;Introduction Systems Engineering Fundamentals iii ............................................................................................................................................. iv PART 1. INTRODUCTION Chapter 1. Introduction to Systems Engineering Management

  5. Avoiding 100 New Power Plants by Increasing Efficiency of Room Air Conditioners in India: Opportunities and Challenges

    E-Print Network [OSTI]

    Phadke, Amol

    2014-01-01T23:59:59.000Z

    Heating, Refrigerating and Air-Conditioning Engineers, 2012.EER for the base case air conditioning unit is taken as the

  6. Activation studies with promoted precipitated iron Fischer-Tropsch catalysts

    E-Print Network [OSTI]

    Manne, Rama Krishna

    1991-01-01T23:59:59.000Z

    ACTIVATION STUDIES WITH PROMOTED PRECIPITATED IRON FISCHER ? TROPSCH CATALYSTS A Thesis by RAMA KRISHNA MANNE Submitted to the Oflice of Graduate Studies of Texas A@M University in partial fulfillment of the requirements for the degree... of MASTER OF SCIENCE December 1991 Major Subject: Chemical Engineering ACTIVATION STUDIES WITH PROMOTED PRECIPITATED IRON FISCHER ? TROPSCH CATALYSTS A Thesis by RAMA KRISHNA MANNE Approved as to style and content by: Dragomir B. Bukur (Charr...

  7. Electrical Engineer (Field Engineering)

    Broader source: Energy.gov [DOE]

    (See Frequently Asked Questions for more information). Where would I be working? Western Area Power Administration Sierra Nevada Region Maintenance Engineering N5500 114 Parkshore Drive Folsom, CA...

  8. Environmental Engineering

    E-Print Network [OSTI]

    Wang, Hai

    CEECivil & Environmental Engineering THE SONNY ASTANI DEPARTMENT OF CIVIL & ENVIRONMENTAL ENGINEERING #12;Civil and Environmental engineers are critical in addressing the needs of civilization and human origins. Civil and Environmental Engineers create, con- struct, and manage the infrastructure

  9. & Mechanical Engineering

    E-Print Network [OSTI]

    Zhou, Chongwu

    , robotics, and the development of new tools for integrated approaches to concurrent engineeringAME Aerospace & Mechanical Engineering #12;Aerospace and Mechanical Engineers design complex Engineering (AME) students conduct basic and applied research within and across the usual disciplinary

  10. Engineering Prestigious

    E-Print Network [OSTI]

    Saskatchewan, University of

    Engineering Studious Prestigious Adventurous Curious Ambitious Ingenious #12;TheCollegeof Engineering We are committed to innovation in all aspects of engineering education and research. We deliver an accredited professional education program that effectively prepares our students to become engineering

  11. counselling health promotion

    E-Print Network [OSTI]

    health and counselling services health promotion 10 Ways to get active Most people find that power into your day. 1. take it outside. Ride a bike, go skating, fly a kite, throw a frisbee, kick chats for a power walk with friends and catch up face to face. 6. get involved locally. Join sports

  12. Coordinating and promoting effective

    E-Print Network [OSTI]

    1 I Coordinating and promoting effective protection and restoration of fish, wildlife Nation Idaho Department of Fish and Game Kootenai Tribe of Idaho Montana Department of Fish, Wildlife and Parks National Marine Fisheries Service Nez Perce Tribe Oregon Department of Fish and Wildlife Shoshone

  13. College of Engineering ENGINEERING

    E-Print Network [OSTI]

    Mayfield, John

    and Treatment 10 Advancing Production in Large-Scale Industries 12 A New Kind of Solar Cell 14 News Bites #12College of Engineering CYCLONE ENGINEERING RESEARCH `SENSING SKIN' MAKES WIND ENERGY MORE COST. CONTENTS4 A Smarter Power Grid 6 Reducing the Cost of Wind Energy 8 Revolutionizing Disease Prevention

  14. Terry Fuller Engineering

    E-Print Network [OSTI]

    Gelfond, Michael

    Terry Fuller Petroleum Engineering Research Building Terry Fuller Petroleum Engineering Research Building Construction Engineering and Engineering Technology Construction Engineering and Engineering Technology Industrial Engineering Industrial Engineering Engineering Center Engineering Center Computer

  15. Mechanical engineering COLLEGE of ENGINEERING

    E-Print Network [OSTI]

    Berdichevsky, Victor

    . Mechanical engineering is a broad, versatile and creative discipline concerned with conversion of energyMechanical engineering COLLEGE of ENGINEERING DepartmentofMechanicalEngineering CollegeofEngineering t Home to nation's first electric-drive vehicle engineering program and alternative energy technology

  16. What engineering courses are there? Automotive Engineering

    E-Print Network [OSTI]

    Sussex, University of

    Electrical and Electronic Engineering Electronic Engineering Mechanical Engineering BEng Automotive Engineering Computer Engineering Electrical and Electronic Engineering Electronic Engineering Mechanical's student perspective `I chose to study Electrical and Electronic Engineering at Sussex because

  17. College of Engineering and Science ENGINEERING

    E-Print Network [OSTI]

    Stuart, Steven J.

    College of Engineering and Science COLLEGE OF ENGINEERING AND SCIENCE The College of Engineering and Science offers advanced degrees in Automotive Engineering, Bioengineering, Biosystems Engineering, Chemi- cal Engineering, Chemistry, Civil Engineering, Computer Engineering, Computer Science, Digital

  18. College of Engineering and Science ENGINEERING

    E-Print Network [OSTI]

    Stuart, Steven J.

    58 College of Engineering and Science 58 COLLEGE OF ENGINEERING AND SCIENCE The College of Engineering and Science offers advanced degrees in Automotive Engineering, Bioengineering, Biosystems Engineering, Chemi- cal Engineering, Chemistry, Civil Engineering, Computer Engineering, Computer Science

  19. College of Engineering and Science ENGINEERING

    E-Print Network [OSTI]

    Stuart, Steven J.

    35 College of Engineering and Science COLLEGE OF ENGINEERING AND SCIENCE The College of Engineering and Science offers advanced degrees in Automotive Engineering, Bioengineering, Biosystems Engineering, Chemi- cal Engineering, Chemistry, Civil Engineering, Computer Engineering, Computer Science, Digital

  20. Mechanical and Manufacturing Engineering Petroleum Engineering Minor

    E-Print Network [OSTI]

    Calgary, University of

    of Chemical and Petroleum Engineering for their petroleum engineering minor. As well, mechanical engineeringMechanical and Manufacturing Engineering Petroleum Engineering Minor The Department of Mechanical and Manufacturing Engineering offers a minor in petroleum engineering within the mechanical engineering major

  1. antioxidants prevent health-promoting: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    PROMOTION AMONG RACIAL AND ETHNIC MINORITY MALES Funding Opportunity Number: PA-10-236. CFDA Number(s): 93.361, 93.847, 93.837, 93.399. Engineering Websites Summary: initial and...

  2. Health Behavior Health Promotion -Prevention

    E-Print Network [OSTI]

    Meagher, Mary

    chronic disease complications Improve quality of life Reduce health care costs #12;ImpactHealth Behavior Health Promotion - Prevention Modification of Health Attitudes and Health Behavior #12;Health Promotion: An Overview Basic philosophy Good health = individual and collective goal

  3. Introduction Engineering

    E-Print Network [OSTI]

    Banbara, Mutsunori

    Environmental Engineering A study to create a social living space rich in amenity, convenience, and harmony with environment. Civil Engineering Engineering of Human Safety Engineering of Environmental Symbiosis A study34 Introduction Guide Entrance Life Career Inquiries Engineering Graduate School/ Faculty

  4. Preservation, Innovation and Promotion of ethnic arts and crafts Prepared by

    E-Print Network [OSTI]

    Mlllet, Dylan B.

    The team of Dharohar has a diverse knowledge of management, engineering and entrepreneurship. OneDharohar Preservation, Innovation and Promotion of ethnic arts and crafts Prepared by Sweta None. Unfortunately this rich tapestry has been losing its significance. It can only be preserved and promoted

  5. Terry Fuller Engineering

    E-Print Network [OSTI]

    Gelfond, Michael

    Terry Fuller Petroleum Engineering Research Building Terry Fuller Petroleum Engineering Research Marsha Sharp Center for Student Athletics Construction Engineering and Engineering Technology Construction Engineering and Engineering Technology Industrial Engineering Industrial Engineering Engineering

  6. college of engineering Undergraduate

    E-Print Network [OSTI]

    and computer engineering » environmental engineering » industrial engineering » Manufacturing engineering » electrical and computer engineering » engineering Management* » environmental engineering » industrial engineering (ce) and construction engineering management (ceM). industry placement for ceM graduates regularly

  7. Antonya Sanders-Promoting

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office511041cloth DocumentationProductsAlternative FuelsSanta3 Tableimpurity ionAntonya Sanders-Promoting

  8. Commercial Current Promotions

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville Power Administration would like submit the following commentsCurrent-Promotions Sign In About |

  9. ENGINEERING UNDERGRADUATE

    E-Print Network [OSTI]

    Walter, M.Todd

    ENGINEERING UNDERGRADUATE HANDBOOK Fall 2013 #12;Name: ____________________________________________________ E-mail: ____________________________________________________ College of Engineering Cornell University ABET Accredited Programs for 2013­14 ABET (Accreditation Board for Engineering and Technology

  10. Engineering Why engineering at Sussex?

    E-Print Network [OSTI]

    Sussex, University of

    (Hons) in Automotive Engineering (with an industrial placement year) BEng (Hons) in Automotive Engineering BEng (Hons) in Automotive Engineering (with an industrial placement year) MEng (Hons) in Computer Engineering MEng (Hons) in Computer Engineering (with an industrial placement year) BEng (Hons) in Computer

  11. Faculty of Engineering & Design Civil Engineering

    E-Print Network [OSTI]

    Burton, Geoffrey R.

    the requirements of engineers in an aeronautical field. Technical knowledge from university gave me a goodFaculty of Engineering & Design Civil Engineering Chemical Engineering Electronic & Electrical Engineering Integrated Mechanical & Electrical Engineering Mechanical Engineering Industrial Placements #12

  12. Interdisciplinary Engineer

    Broader source: Energy.gov [DOE]

    This position is located in the Transmission Engineering (TEL) organization of Engineering and Technical Services (TE), Transmission Services (T), Bonneville Power Administration (BPA). In this...

  13. Chief Engineer

    Broader source: Energy.gov [DOE]

    A successful candidate in this position will provide engineering expertise and guidance to multidiscipline engineering and scientific elements throughout the Office of River Protection and is a...

  14. USC Viterbi School of Engineering

    E-Print Network [OSTI]

    Southern California, University of

    ); Chemical Engineering (Nanotechnology); Chemical Engineering (Petroleum Engineer- ing); Chemical Engineering (Biochemical Engineering); Biomedical (Electrical Engineer- ing); Biomedical (Mechanical Engineering); Chemical Engineering; Chemical Engineer- ing (Biochemical Engineering); Chemical Engineering (Environmental Engineering

  15. FACULTY OF ENGINEERING Engineering

    E-Print Network [OSTI]

    Barthelat, Francois

    and research to mitigate climate change. Star scientists Another interesting feature of the new facility is its and research facility on the fifth floor of the Macdonald Engineering Building is significantly advancing our practical applications inspired by recent advances in nanotechnology, molecular biology and green chemistry

  16. Civil Engineering Environmental Engineering

    E-Print Network [OSTI]

    Anderson, Jim

    ) : Southampton University #12;5 Canada Wharf Station, London Underground · An underground chamber in clay- building · Communication #12;12 THE CONSTRCUTIONARIUM First Year Student Field Class The students design. Renovation of old canals and tunnels Design of new storage reservoirs #12;17 Civil Engineering

  17. ENVIRONMENTAL ENGINEERING

    E-Print Network [OSTI]

    Walter, M.Todd

    knowledge in environmental engineering; · Share cutting edge research and new information and ideas throughENVIRONMENTAL ENGINEERING UNDERGRADUATE HANDBOOK Cornell University Department of Biological and Environmental Engineering School of Civil and Environmental Engineering enve.cornell.edu 2013-2014 #12

  18. Biomedical Engineering

    E-Print Network [OSTI]

    engineering is a discipline that advances knowledge in engineering, biology and medicine, and improves human#12;Biomedical Engineering Dr. Kevin Lear, Director, Undergraduate Program Ms. Brett Eppich Beal, Adviser 5280 CSU Engineering Showcase January 29, 2011 #12;SBME ­ Who are We? Director ­ Stuart Tobet

  19. ENVIRONMENTAL ENGINEERING

    E-Print Network [OSTI]

    ENVIRONMENTAL ENGINEERING www.cee.pdx.edu What do environmental engineers do? Civil and Environmental Engineering (CEE) is an exciting, challenging, and dynamic field that is critical to our quality of life. Environmental engineers help manage and protect natural resources like water supplies as well

  20. Shockwave Engine: Wave Disk Engine

    SciTech Connect (OSTI)

    None

    2010-01-14T23:59:59.000Z

    Broad Funding Opportunity Announcement Project: MSU is developing a new engine for use in hybrid automobiles that could significantly reduce fuel waste and improve engine efficiency. In a traditional internal combustion engine, air and fuel are ignited, creating high-temperature and high-pressure gases which expand rapidly. This expansion of gases forces the engine’s pistons to pump and powers the car. MSU’s engine has no pistons. It uses the combustion of air and fuel to build up pressure within the engine, generating a shockwave that blasts hot gas exhaust into the blades of the engine’s rotors causing them to turn, which generates electricity. MSU’s redesigned engine would be the size of a cooking pot and contain fewer moving parts—reducing the weight of the engine by 30%. It would also enable a vehicle that could use 60% of its fuel for propulsion.

  1. FACULTYOF ENGINEERING GRADUATE SCHOOLOFENGINEERING

    E-Print Network [OSTI]

    Banbara, Mutsunori

    ENGINEERING ELECTRICAL AND ELECTRONIC ENGINEERING MECHANICAL ENGINEERING CHEMICAL SCIENCE AND ENGINEERING of Architecture and Civil Engineering, Department of Electric and Electronic Engineering, Department of Mechanical six departments: Architecture, Civil Engineering, Electrical and Electronic Engineering, Mechanical

  2. Scaffold architecture and fibrin gels promote meniscal cell proliferation

    SciTech Connect (OSTI)

    Pawelec, K. M., E-mail: pawelec.km@gmail.com, E-mail: jw626@cam.ac.uk; Best, S. M.; Cameron, R. E. [Cambridge Centre for Medical Materials, Materials Science and Metallurgy Department, University of Cambridge, Cambridge CB3 0FS (United Kingdom); Wardale, R. J., E-mail: pawelec.km@gmail.com, E-mail: jw626@cam.ac.uk [Division of Trauma and Orthopaedic Surgery, Department of Surgery, University of Cambridge, Cambridge CB2 2QQ (United Kingdom)

    2015-01-01T23:59:59.000Z

    Stability of the knee relies on the meniscus, a complex connective tissue with poor healing ability. Current meniscal tissue engineering is inadequate, as the signals for increasing meniscal cell proliferation have not been established. In this study, collagen scaffold structure, isotropic or aligned, and fibrin gel addition were tested. Metabolic activity was promoted by fibrin addition. Cellular proliferation, however, was significantly increased by both aligned architectures and fibrin addition. None of the constructs impaired collagen type I production or triggered adverse inflammatory responses. It was demonstrated that both fibrin gel addition and optimized scaffold architecture effectively promote meniscal cell proliferation.

  3. Performance of Gas-Engine Driven Heat Pump Unit

    SciTech Connect (OSTI)

    Abdi Zaltash; Randy Linkous; Randall Wetherington; Patrick Geoghegan; Ed Vineyard; Isaac Mahderekal; Robert Gaylord

    2008-09-30T23:59:59.000Z

    Air-conditioning (cooling) for buildings is the single largest use of electricity in the United States (U.S.). This drives summer peak electric demand in much of the U.S. Improved air-conditioning technology thus has the greatest potential impact on the electric grid compared to other technologies that use electricity. Thermally-activated technologies (TAT), such as natural gas engine-driven heat pumps (GHP), can provide overall peak load reduction and electric grid relief for summer peak demand. GHP offers an attractive opportunity for commercial building owners to reduce electric demand charges and operating expenses. Engine-driven systems have several potential advantages over conventional single-speed or single-capacity electric motor-driven units. Among them are variable speed operation, high part load efficiency, high temperature waste heat recovery from the engine, and reduced annual operating costs (SCGC 1998). Although gas engine-driven systems have been in use since the 1960s, current research is resulting in better performance, lower maintenance requirements, and longer operating lifetimes. Gas engine-driven systems are typically more expensive to purchase than comparable electric motor-driven systems, but they typically cost less to operate, especially for commercial building applications. Operating cost savings for commercial applications are primarily driven by electric demand charges. GHP operating costs are dominated by fuel costs, but also include maintenance costs. The reliability of gas cooling equipment has improved in the last few years and maintenance requirements have decreased (SCGC 1998, Yahagi et al. 2006). Another advantage of the GHP over electric motor-driven is the ability to use the heat rejected from the engine during heating operation. The recovered heat can be used to supplement the vapor compression cycle during heating or to supply other process loads, such as water heating. The use of the engine waste heat results in greater operating efficiency compared to conventional electric motor-driven units (SCGC 1998). In Japan, many hundreds of thousands of natural gas-driven heat pumps have been sold (typically 40,000 systems annually) (Yahagi et al. 2006). The goal of this program is to develop dependable and energy efficient GHPs suitable for U.S. commercial rooftop applications (the single largest commercial product segment). This study describes the laboratory performance evaluation of an integrated 10-ton GHP rooftop unit (a 900cc Daihatsu-Aisin natural gas engine) which uses R410A as the refrigerant (GEDAC No.23). ORNL Thermally-Activated Heat Pump (TAHP) Environmental Chambers were used to evaluate this unit in a controlled laboratory environment.

  4. Engineering Instutute Seminar Series

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Engineering Institute Engineering Instutute Seminar Series Engineering Instutute Seminar Series Calendar Contact Professional Staff Assistant Jutta Kayser Engineering Institute...

  5. Faculty of Engineering Aerospace Engineering

    E-Print Network [OSTI]

    Faculty of Engineering Aerospace Engineering Canada's aerospace industry is one of the largest. One of the key factors that will continue this success is a steady stream of engineering talent.uwindsor.ca/mame Rigorous, Enriching Programs Our new Aerospace Engineering program at Windsor is an optional stream within

  6. College of Engineering EGR Engineering

    E-Print Network [OSTI]

    MacAdam, Keith

    College of Engineering EGR Engineering KEY: # = new course * = course changed = course dropped University of Kentucky 2013-2014 Undergraduate Bulletin 1 EGR 101 INTRODUCTION TO ENGINEERING. (4) This course introduces the engineering profession and the skills and expectations required for success

  7. BIOMEDICAL ENGINEERING CHEMICAL AND BIOLOGICAL ENGINEERING

    E-Print Network [OSTI]

    Heller, Barbara

    BIOMEDICAL ENGINEERING CHEMICAL AND BIOLOGICAL ENGINEERING CIVIL, ARCHITECTURAL, AND ENVIRONMENTAL ENGINEERING ELECTRICAL AND COMPUTER ENGINEERING MECHANICAL, MATERIALS, AND AEROSPACE ENGINEERING COLLEGE OF ENGINEERING IIT ARMOUR #12;WHY ENGINEERINGAT IIT ARMOUR? Five Departments. One Distinctive Educational

  8. SCHOOL OF ENGINEERING TECHNOLOGY Surveying Engineering

    E-Print Network [OSTI]

    Thomas, Andrew

    SCHOOL OF ENGINEERING TECHNOLOGY Surveying Engineering Technology practice FOCUSED WHY SURVEYING ENGINEERING TECHNOLOGY? Surveying engineering technology is a practice- focused program that provides students ENGINEERING TECHNOLOGY DEGREE? A graduate with a surveying engineering technology degree can work as a party

  9. College of Engineering MNG Mining Engineering

    E-Print Network [OSTI]

    MacAdam, Keith

    (Concurrent), PHY 232, engineering standing. MNG 302 MINERALS PROCESSING LABORATORY. (1) ApplicationCollege of Engineering MNG Mining Engineering KEY: # = new course * = course changed = course ENGINEERING. (1) Orientationtotheminingengineeringprofession

  10. 112 COLLEGE OF ENGINEERING AND ENGINEERING TECHNOLOGY College of Engineering and Engineering

    E-Print Network [OSTI]

    Kostic, Milivoje M.

    112 COLLEGE OF ENGINEERING AND ENGINEERING TECHNOLOGY College of Engineering and Engineering requirements in interdisciplinary studies, engineering majors need only one interdisciplinary studies course of Engineering and Engineering Technology offer baccalaureate programs leading to the degree Bachelor of Science

  11. Advanced Natural Gas Reciprocating Engine(s)

    SciTech Connect (OSTI)

    Kwok, Doris; Boucher, Cheryl

    2009-09-30T23:59:59.000Z

    Energy independence and fuel savings are hallmarks of the nation’s energy strategy. The advancement of natural gas reciprocating engine power generation technology is critical to the nation’s future. A new engine platform that meets the efficiency, emissions, fuel flexibility, cost and reliability/maintainability targets will enable American manufacturers to have highly competitive products that provide substantial environmental and economic benefits in the US and in international markets. Along with Cummins and Waukesha, Caterpillar participated in a multiyear cooperative agreement with the Department of Energy to create a 50% efficiency natural gas powered reciprocating engine system with a 95% reduction in NOx emissions by the year 2013. This platform developed under this agreement will be a significant contributor to the US energy strategy and will enable gas engine technology to remain a highly competitive choice, meeting customer cost of electricity targets, and regulatory environmental standard. Engine development under the Advanced Reciprocating Engine System (ARES) program was divided into phases, with the ultimate goal being approached in a series of incremental steps. This incremental approach would promote the commercialization of ARES technologies as soon as they emerged from development and would provide a technical and commercial foundation of later-developing technologies. Demonstrations of the Phase I and Phase II technology were completed in 2004 and 2008, respectively. Program tasks in Phase III included component and system development and testing from 2009-2012. Two advanced ignition technology evaluations were investigated under the ARES program: laser ignition and distributed ignition (DIGN). In collaboration with Colorado State University (CSU), a laser ignition system was developed to provide ignition at lean burn and high boost conditions. Much work has been performed in Caterpillar’s DIGN program under the ARES program. This work has consisted of both modeling and single cylinder engine experiments to quantify DIGN performance. The air handling systems of natural gas engines dissipate a percentage of available energy as a result of both flow losses and turbomachinery inefficiencies. An analytical study was initiated to increase compressor efficiency by employing a 2-stage inter-cooled compressor. Caterpillar also studied a turbo-compound system that employs a power turbine to recover energy from the exhaust gases for improved engine efficiency. Several other component and system investigations were undertaken during the final phase of the program to reach the ultimate ARES goals. An intake valve actuation system was developed and tested to improve engine efficiency, durability and load acceptance. Analytical modeling and materials testing were performed to evaluate the performance of steel pistons and compacted graphite iron cylinder head. Effort was made to improve the detonation sensing system by studying and comparing the performance of different pressure sensors. To reduce unburned hydrocarbon emissions, different camshafts were designed and built to investigate the effect of exhaust valve opening timing and value overlap. 1-D & 3-D coupled simulation was used to study intake and exhaust manifold dynamics with the goal of reducing load in-balance between cylinders. Selective catalytic reduction with on-board reductant generation to reduce NOx emissions was also engine tested. An effective mean to successfully deploy ARES technologies into the energy markets is to deploy demonstration projects in the field. In 2010, NETL and Caterpillar agreed to include a new “opportunity fuel” deliverable and two field demonstrations in the ARES program. An Organic Rankine Cycle system was designed with production intent incorporating lessons learned from the Phase II demonstration. Unfortunately, business conditions caused Caterpillar to cancel this demonstration in 2011. Nonetheless, Caterpillar partnered with a local dealer to deploy an ARES class engine using syngas from a biomass gasifier as

  12. Engineering peptides to promote stabilizing interactions in the solid state

    E-Print Network [OSTI]

    Sinha, Sandipan; Thompson, S.; Camarda, K.; Topp, E.

    2006-10-25T23:59:59.000Z

    ? 0.0 07 0.6 6 ? 0.0 05 Ac VY GN GA Ac VY GN GA + PV P Ac VY GG GN GA Ac VY GG GN GA + PV P So lid (h rs) So lut ion (h rs) Pe pti de s De am ida tio n h alf -liv es 0.43 0.37 0.62 3.53 0.64 6.0 8 38. 5 62. 1 010203040506070 H a l f - l i f e...En gin ee rin g p ep tid es to pr om ot e s tab iliz ing int er ac tio ns in th e s oli d s tat e Sa nd ipa n S inh a1, Sa ra h T ho mp so n2 , K yle C am ar da 2, El iza be th To pp 1 De pa rtm en t o f P ha rm ac eu tic al Ch em ist ry...

  13. Value Engineering

    Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

    2002-12-30T23:59:59.000Z

    To establish Department of Energy (DOE) value engineering policy that establishs and maintains cost-effective value procedures and processes.

  14. ENGINEERING INTERNATIONAL

    E-Print Network [OSTI]

    University of Technology, Sydney

    COURSE GUIDE 2013 UTS: ENGINEERING INTERNATIONAL UNDERGRADUATE w w w.eng.uts.edu.au #12;2 / ENGINEERING IN AUSTRALIA Internationally, Australian universities have a reputation for high quality research developed close links with many international institutions, particularly in Asia. ENGINEERING IN SYDNEY

  15. University , Engineering

    E-Print Network [OSTI]

    Zakharov, Leonid E.

    , Princeton Plasma Physics Laboratory Presented at Seminar of Department of Nuclear Engineering Massachusetts{AC020{76{CHO{3073. Leonid E. Zakharov, Department of Nuclear Engineering, MIT , Feb.26, 2001, Cambridge acting on the guide wall. This design concept opens opportunities for nuclear engineers and technologists

  16. Photovoltaic module with adhesion promoter

    DOE Patents [OSTI]

    2013-10-08T23:59:59.000Z

    Photovoltaic modules with adhesion promoters and methods for fabricating photovoltaic modules with adhesion promoters are described. A photovoltaic module includes a solar cell including a first surface and a second surface, the second surface including a plurality of interspaced back-side contacts. A first glass layer is coupled to the first surface by a first encapsulating layer. A second glass layer is coupled to the second surface by a second encapsulating layer. At least a portion of the second encapsulating layer is bonded directly to the plurality of interspaced back-side contacts by an adhesion promoter.

  17. FACULTY OF ENGINEERING FALL Engineering

    E-Print Network [OSTI]

    Barthelat, Francois

    -Engineering Scholar Mathieu Brochu uses the Spark Plasma Sintering Press in his lab to research improved methods

  18. DTU Synthetic Promoter Library Standard

    E-Print Network [OSTI]

    Fortuna, Patrick

    2010-12-04T23:59:59.000Z

    The purpose of this RFC is to outline a method for generating a BioBrick compatible Synthetic Promoter Library (SPL) within bacteria in order to fine-tune the expression of BioBrick parts and devices.

  19. College of Engineering College of Engineering

    E-Print Network [OSTI]

    Collett Jr., Jeffrey L.

    of the undergraduate engineering programs will be able to: · Apply knowledge of mathematics, science, and engineeringCollege of Engineering College of Engineering Office in Engineering Building, Room 202 (970) 491 UNDERGRADUATE MAJORS Biomedical Engineering Chemical and Biological Engineering Civil Engineering Computer

  20. Chemical and Petroleum Engineering Petroleum Engineering Minor

    E-Print Network [OSTI]

    Calgary, University of

    electives in Petroleum Reservoir Engineering and Petroleum Production Engineering Chemical and Petroleum Engineering Petroleum Engineering Minor Students their skills by taking a minor in petroleum engineering. Energy is the largest

  1. College of Engineering ME Mechanical Engineering

    E-Print Network [OSTI]

    MacAdam, Keith

    College of Engineering ME Mechanical Engineering KEY: # = new course * = course changed = course ENGINEERING. (3) This course introduces the Mechanical Engineering profession including the skills and expectations required for success. Engineering applications of calculus are also presented. Prereq or concur

  2. Whitacre College of Engineering Industrial Engineering Department

    E-Print Network [OSTI]

    Gelfond, Michael

    Whitacre College of Engineering Industrial Engineering Department Department Chair and Professor of Industrial Engineering. The Industrial Engineering Department at Texas Tech University has a distinguished industrial engineering education and provide appropriate service to the department, university

  3. civil engineering College of Engineering and Mines

    E-Print Network [OSTI]

    Hartman, Chris

    civil engineering College of Engineering and Mines Department of Civil and Environmental's degree program can include courses in environmental engineering, engineering management and other areas. An advanced degree in environmental engineering administered within the civil en- gineering department

  4. Extracorporeal membrane oxygenation promotes long chain fatty...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    membrane oxygenation promotes long chain fatty acid oxidation in the immature swine heart in vivo. Extracorporeal membrane oxygenation promotes long chain fatty acid oxidation...

  5. Supervisor: Professor Phillip Servio Department of Chemical Engineering

    E-Print Network [OSTI]

    Barthelat, Francois

    Supervisor: Professor Phillip Servio Department of Chemical Engineering PromotionGas Hydrates organisms 20% Fossil Fuels 27% Gas Hydrates 53% Journal of Petroleum Technology Online (2007) ² Certain substances may promote hydrate growth and enable the petroleum to be stored and transported as a solid

  6. Mechanical Engineering Department technical abstracts

    SciTech Connect (OSTI)

    Denney, R.M. (ed.)

    1982-07-01T23:59:59.000Z

    The Mechanical Engineering Department publishes listings of technical abstracts twice a year to inform readers of the broad range of technical activities in the Department, and to promote an exchange of ideas. Details of the work covered by an abstract may be obtained by contacting the author(s). Overall information about current activities of each of the Department's seven divisions precedes the technical abstracts.

  7. Mechanical engineering department technical review

    SciTech Connect (OSTI)

    Carr, R.B. Denney, R.M. (eds.)

    1981-01-01T23:59:59.000Z

    The Mechanical Engineering Department Technical Review is published to: (1) inform the readers of various technical activities within the department, (2) promote exchange of ideas, and (3) give credit to the personnel who are achieving the results. The report is formatted into two parts: technical acievements and publication abstracts. The first is divided into eight sections, one for each division in the department providing the reader with the names of the personnel and the division accomplishing the work.

  8. General Engineer

    Broader source: Energy.gov [DOE]

    THIS POSITION IS BEING ADVERTISED CONCURRENTLY UNDER MERIT PROMOTION PROCEDURES AS ANNOUNCEMENT # DOE-HQ-AU-15-00025-MP. YOU MUST APPLY TO THE VACANCY FOR WHICH YOU WISH TO RECEIVE CONSIDERATION....

  9. college of engineering Undergraduate

    E-Print Network [OSTI]

    Tullos, Desiree

    . Civil & Construction Engineering Dedicated to advancing knowledge in the built environment to bettercollege of engineering FACT SHEET Undergraduate » Bioengineering » chemical engineering » civil engineering » computer Science » construction engineering Management » ecological engineering » electrical

  10. electrical, engineering

    E-Print Network [OSTI]

    Zhang, Junshan

    and energy engineering biofuels waste conversion to energy public health-technology-environment interactions and colleagues worldwide. Contributing writers Joe Kullman Natalie Pierce Photography Jessica Slater © 2012

  11. Petroleum Engineer

    Broader source: Energy.gov [DOE]

    This position is established to provide an expert analyst and technical authority in petroleum engineering to originate, perform, and review new and continuing data acquisition and analysis,...

  12. ISEIndustrial Engineering

    E-Print Network [OSTI]

    Wang, Hai

    planning, software, and data mining techniques. USC's undergraduate ISE curricula pre- pare students and industrial ecology Transportation and logistics Optimization and logistics Collaborative engineering design

  13. Electrical Engineer

    Broader source: Energy.gov [DOE]

    The incumbent in this position will serve as an Electrical Engineer in the Strategy and Program Management organization of Transmission Services. The Strategy and Program Management organization is...

  14. Electronics Engineer

    Broader source: Energy.gov [DOE]

    (See Frequently Asked Questions for more information). Where would I be working? Western Area Power Administration Sierra Nevada Region Information Technology Engineering Systems N2200 114...

  15. EEElectrical Engineering

    E-Print Network [OSTI]

    Wang, Hai

    , computer engineering, circuits and devices, and energy systems and lasers. As fresh- men and sophomores & sensor networks Biological interface circuits and devices Laser interactions with materials Speech

  16. College of Engineering Profile The College of Engineering at Colorado

    E-Print Network [OSTI]

    Programs: Chemical and Biological Engineering Civil Engineering Computer Engineering Electrical Engineering: Atmospheric Science Bioengineering Chemical Engineering Civil Engineering Electrical Engineering MechanicalCollege of Engineering Profile 2007-2008 The College of Engineering at Colorado State has a strong

  17. College of Engineering and Science ENGINEERING

    E-Print Network [OSTI]

    Stuart, Steven J.

    . The Automotive Engineering programs equip students with the basis, depth and domain knowledge needed for master35 College of Engineering and Science COLLEGE OF ENGINEERING AND SCIENCE The College of Engineering and Science offers advanced degrees in Automotive Engineering, Bio- engineering, Biosystems Engineering

  18. College of Engineering and Science ENGINEERING

    E-Print Network [OSTI]

    Stuart, Steven J.

    . The Automotive Engineering programs equip students with the basis, depth and domain knowledge needed for masterCollege of Engineering and Science COLLEGE OF ENGINEERING AND SCIENCE The College of Engineering and Science offers advanced degrees in Automotive Engineering, Bio- engineering, Biosystems Engineering

  19. Master of Engineering (ME), Major: Chemical Engineering

    E-Print Network [OSTI]

    Shihadeh, Alan

    Master of Engineering (ME), Major: Chemical Engineering Apply Now The Chemical Engineering Program to the following degrees: Master of Engineering, major Chemical Engineering The ME program will be open to students with a Bachelor of Engineering (BE) in Chemical Engineering, or other related disciplines

  20. September 10, 2013 What is Seawater Air Conditioning (SWAC)?

    E-Print Network [OSTI]

    customer electrical consumption by up to 40% Aligns with Hawaii Clean Energy Initiatives Substantial water · Letters of Intent for 42% of Waikiki SWAC design load Customers · City, State, & Federal agency conditioning usage #12;Why SWAC in Waikiki? Electrical rates are near the highest in the U.S. Hawaii relies

  1. Direct Expansion Air Conditioning System Selection for Hot & Humid Climates

    E-Print Network [OSTI]

    Browning, B. K.

    2002-01-01T23:59:59.000Z

    Capacity at Part-Load Conditions In 1996, Henderson and Rengarajan4 published a method for modeling the latent capacity degradation of DX equipment with constant blower operation. This latent degradation model provided critical information need... to match the moisture removal capacity of the selected system to the moisture load. However, the model required an iterative solution and knowledge of equipment parameters that were not readily available during design. In 1998, Henderson published a...

  2. air conditioning system: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    may be eliminated. Physical principals governing airflow in fan systems predict available energy savings from using premium air filters. This energy savings may offset the...

  3. air conditioning systems: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    may be eliminated. Physical principals governing airflow in fan systems predict available energy savings from using premium air filters. This energy savings may offset the...

  4. Simulation- Assisted Audit of an Air Conditioned Office Building

    E-Print Network [OSTI]

    Bertagnolio, S.; Lebrun, J.; Hannay, J.; Silva, C. A.

    , an equation-based building-HVAC simulation tool is used to assist the audit. Fuel and electricity consumption are then interpreted and significant energy saving opportunities are identified....

  5. K-7109Agnew Hall M-2204Air Conditioning Plant

    E-Print Network [OSTI]

    Buehrer, R. Michael

    Building] K-4171Burchard Hall L-4176Burruss Hall L-637Campbell Hall - East Wing L-636Campbell Hall - Main Center at Donaldson Brown L-9124Greenhouse Q-10 241Grounds Building (Central Stores) J-4 158Hahn Hall

  6. Direct Digital Control in Air Conditioning Systems for Energy Efficiency

    E-Print Network [OSTI]

    Liu, W.; Ye, A.; Li, D.

    2006-01-01T23:59:59.000Z

    With the rapid development of Intelligent Buildings (IB), the Building Automation System (BAS) has come to control and manage the equipment in the building more and more scientifically, economically and rationally, which can not only raise...

  7. air conditioning: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    of California eScholarship Repository Summary: chamber, passive sampling, passive solar house, measurementhouse, we planed the distribution of fresh air, passivepassive...

  8. air conditioning deactivation: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    of California eScholarship Repository Summary: chamber, passive sampling, passive solar house, measurementhouse, we planed the distribution of fresh air, passivepassive...

  9. HEATING, AIR-CONDITIONING AND REFRIGERATION DISTRIBUTORS INTERNATIONAL...

    Broader source: Energy.gov (indexed) [DOE]

    OE Framework Document and Stakeholder Meeting regarding the Enforcement of the updated Energy Conservation Standards for Air Conditioners, Furnaces and Heat Pumps. DOE EX Parte...

  10. air conditioning plants: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    - TxSpace Summary: The primarysecondary piping systems are often employed in large chiller plant Systems. Normally, the primary flow becomes more than secondary flow, and...

  11. air conditioning fuel: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 440 2. Adsorption versus absorptionAssessment of adsorber bed designs in waste-heat driven...

  12. air conditioning plant: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    - TxSpace Summary: The primarysecondary piping systems are often employed in large chiller plant Systems. Normally, the primary flow becomes more than secondary flow, and...

  13. RHEOLOGICAL STUDY OF AN HYDRATE SLURRY FOR AIR CONDITIONNING APPLICATION

    E-Print Network [OSTI]

    Boyer, Edmond

    [-] INTRODUCTION In the context of the classical refrigerants phase out, phase change materials (PCM) arouse great interests. Indeed, for very low temperature application such as refrigeration, ice-slurries are spread as secondary refrigerants. Concerning hydrates, they have been used as PCM for cold storage for years

  14. Energy Conservation of Air Conditioning Systems in Large Public Buildings

    E-Print Network [OSTI]

    Liu, P.; Li, D.

    2006-01-01T23:59:59.000Z

    cold seasons, the closed middle air layer absorbs the solar energy, and becomes the buffer layer of space between the inside and outside because of the glasshouse effect. In this case, the indoor heat loss can be reduced. While during the hot... and natural climatic microenvironment for the people indoor. Considering the energy conservation and the ecological environmental protection, this system not only satisfies the aesthetic need of the architecture, but also is the need of developing...

  15. Alternative Air Conditioning Technologies: Underfloor Air Distribution (UFAD)

    E-Print Network [OSTI]

    Webster, Tom

    2004-01-01T23:59:59.000Z

    trends in today’s office environment make it increasingly more difficult for conventional centralized HVAC

  16. Direct Digital Control in Air Conditioning Systems for Energy Efficiency 

    E-Print Network [OSTI]

    Liu, W.; Ye, A.; Li, D.

    2006-01-01T23:59:59.000Z

    connected by lines that represent the data flow. The process is depicted with symbols as on electrical schematics and pneumatic control diagrams. Graphical diagrams are created and the detailed data is entered in background menus or screens... and control system Energy management and control system (EMCS) technology has evolved over the past three decades from pneumatic and mechanical devices to direct digital controls (DDC) or computer-based controllers and systems. Today's EMCS systems...

  17. Energy Conservation of Air Conditioning Systems in Large Public Buildings 

    E-Print Network [OSTI]

    Liu, P.; Li, D.

    2006-01-01T23:59:59.000Z

    chart and the pipeline performance chart. Don?t choose the oversize flux and the oversize delivery lift pumps. If the oversize model of the pumps is chosen, most of the valves in the outlet conduit will be semi-open, which can increase...

  18. air conditioning hvac: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    humidity and other environmental parameters for the occupants as well as to save energy. Achieving these objectives requires a suitable control system design. Approach: In...

  19. air conditioning heat: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    solar air collector PV-panel fannon-return valve DHW tank mantle cold waterhot water roof Solar Energy Centre Denmark Danish Technological Institute SEC-R-29 12;Solar air heating...

  20. air conditioning devices: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    air temperatures... conditions. The design of this study was based on the relation- ship of four parameters: air temperature, air velocity, radiant heat, and globe...

  1. air conditioning conference: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    air temperatures... conditions. The design of this study was based on the relation- ship of four parameters: air temperature, air velocity, radiant heat, and globe...

  2. air conditioning problemas: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    air temperatures... conditions. The design of this study was based on the relation- ship of four parameters: air temperature, air velocity, radiant heat, and globe...

  3. air conditioning maintenance: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    the transient evolution of the free surface surrounding the impact region of a low-viscosity laminar liquid jet as it enters a quiescent pool. The close-up images depict the...

  4. Control of Computer Room Air Conditioning using IT Equipment Sensors

    E-Print Network [OSTI]

    Bell, Geoffrey C.

    2010-01-01T23:59:59.000Z

    to control the cooling system in the data center, energyfor input to the data center cooling system devices. Goal 2:for input to the data center cooling system devices. See

  5. Commissioning and Diagnosis of VAV Air-Conditioning Systems

    E-Print Network [OSTI]

    Qin, J.; Wang, S.; Chan, C.; Xiao, F.

    2006-01-01T23:59:59.000Z

    This paper presents a fault detection and diagnosis (FDD) strategy based on system knowledge, qualitative states and object-oriented statistical process control (SPC) models for typical pressure-independent variable air volume (VAV) air...

  6. Control of Computer Room Air Conditioning using IT Equipment Sensors

    E-Print Network [OSTI]

    Bell, Geoffrey C.

    2010-01-01T23:59:59.000Z

    graphics that allowed facility operators to choose which server temperature data points were used for control.graphics that allowed facility operators to choose which server temperature data points were used for control.

  7. Retrofitting Air Conditioning and Duct Systems in Hot, Dry Climates

    SciTech Connect (OSTI)

    Shapiro, C.; Aldrich, R.; Arena, L.

    2012-07-01T23:59:59.000Z

    This technical report describes CARB's work with Clark County Community Resources Division in Las Vegas, Nevada, to optimize procedures for upgrading cooling systems on existing homes in the area to implement health, safety, and energy improvements. Detailed monitoring of five AC systems showed that three of the five systems met or exceeded air flow rate goals.

  8. Importance of Design Conditions for Sizing Air-Conditioning Plant

    E-Print Network [OSTI]

    Shaban, N.; Maheshwari, G. P.; Suri, R. K.

    2000-01-01T23:59:59.000Z

    Design conditions based on the meteorological data collected at two weather stations located less than 10 km away from each other within Kuwait City are presented for dry-bulb temperature (DBT) and web-bulb temperature (WBT) prioritization...

  9. Smart School Symposium Heating Ventilation and Air Conditioning Session

    E-Print Network [OSTI]

    California at Davis, University of

    · The presentation will cover the following topic; Typical school Building Load Profiles Typically HVAC Equipment that we can understand the load profiles as well as all the operating characteristics · For this, ASHRAE and secondary) · Schools have a unique building load profile · They are different than other buildings like

  10. Heating, Ventilation, and Air Conditioning Projects | Department of Energy

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33Frequently20,000 RussianBy: Thomas P. D'Agostino,GlenLearning andDesign inImage of13-Energy

  11. Keeping Cool Without Air Conditioning | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't YourTransport(FactDepartment ofLetter Report: I11IG002RTC3WASTE-TO-ENERGY: WASTEKeeping Cool

  12. Weatherking Heating & Air conditioning | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere IRaghuraji Agro IndustriesTown ofNationwideWTED Jump to:Ohio: Energy ResourcesWeatherford, Texas:

  13. Heating Ventilation and Air Conditioning Efficiency | Department of Energy

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742Energy ChinaofSchaefer To:Department of Energy Completing

  14. HEATING, AIR-CONDITIONING AND REFRIGERATION DISTRIBUTORS INTERNATIONAL

    Office of Environmental Management (EM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 1112011 Strategic2 OPAM Flash2011-12 OPAMGeneralGuiding Documents and Links GuidingTank(HARDI) |

  15. Air Conditioning Heating and Refrigeration Institute Comment | Department

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directed off Energy.gov. Are you0 ARRA Newsletters 20103-03Energy AdvancedJudge | Departmentof Energy

  16. Air Conditioning Heating and Refrigeration Institute Comment | Department

    Office of Environmental Management (EM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 1112011AT&T, Inc.'s Reply Comments AT&T,FACT S HEET FACTAgenda: TheAof Energy Air

  17. Air-Conditioning, Heating, and Refrigeration Institute (AHRI) Regulatory

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33Frequently20,000 RussianBy:Whether you're a16-17, 201529,Vulnerabilities |AgreementBurden RFI |

  18. Air-Conditioning, Heating, and Refrigeration Institute Ex Parte Memo |

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33Frequently20,000 RussianBy:Whether you're a16-17, 201529,Vulnerabilities |AgreementBurden RFI

  19. Heating Ventilation and Air Conditioning Efficiency | Department of Energy

    Office of Environmental Management (EM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122Commercial602 1,39732on Armed Services U.S.Health, Safety, &ofHeating

  20. Saving Money During the Air Conditioning Season | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onYouTube YouTube Note: Since the.pdfBreakingMay 2015 <Department ofDepartment| Department ofSaving Energy

  1. Fetz Plumbing, Heating & Air Conditioning | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual Siteof Energy 2,AUDIT REPORTEnergyFarms A S Jump to: navigation,FAFCOCommitteeFenpower

  2. Quantum Well Thermoelectric Truck Air Conditioning | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn'tOrigin of ContaminationHubs+18, 2012 Qualified Energy ConservationDepartmentQuantum Dot

  3. EnginEEring ZonE "The Engineering Zone

    E-Print Network [OSTI]

    Tobar, Michael

    EnginEEring ZonE "The Engineering Zone will push the limits in collaborative learning and research, and empower people to change the world. "Winthrop Professor John Dell Dean, Faculty of Engineering, Computing and Mathematics #12;2 | nEw CEntury Campaign ­ EnginEEring ZonE #12;nEw CEntury Campaign ­ EnginEEring ZonE | 3

  4. Arctic EnginEEring College of Engineering and Mines

    E-Print Network [OSTI]

    Hartman, Chris

    Arctic EnginEEring College of Engineering and Mines Department of Civil and Environmental Engineering Management. See Environmental Engineering and Environmental Quality Science. See Science Engineering 907-474-7241 http://cem.uaf.edu/cee/ MS Degree Minimum Requirements for Degree: 30 credits

  5. FUEL INTERCHANGEABILITY FOR LEAN PREMIXED COMBUSTION IN GAS TURBINE ENGINES

    SciTech Connect (OSTI)

    Don Ferguson; Geo. A. Richard; Doug Straub

    2008-06-13T23:59:59.000Z

    In response to environmental concerns of NOx emissions, gas turbine manufacturers have developed engines that operate under lean, pre-mixed fuel and air conditions. While this has proven to reduce NOx emissions by lowering peak flame temperatures, it is not without its limitations as engines utilizing this technology are more susceptible to combustion dynamics. Although dependent on a number of mechanisms, changes in fuel composition can alter the dynamic response of a given combustion system. This is of particular interest as increases in demand of domestic natural gas have fueled efforts to utilize alternatives such as coal derived syngas, imported liquefied natural gas and hydrogen or hydrogen augmented fuels. However, prior to changing the fuel supply end-users need to understand how their system will respond. A variety of historical parameters have been utilized to determine fuel interchangeability such as Wobbe and Weaver Indices, however these parameters were never optimized for today’s engines operating under lean pre-mixed combustion. This paper provides a discussion of currently available parameters to describe fuel interchangeability. Through the analysis of the dynamic response of a lab-scale Rijke tube combustor operating on various fuel blends, it is shown that commonly used indices are inadequate for describing combustion specific phenomena.

  6. Date | 1Refrigeration and Air Conditioning EMA Education and Training Date | 2Refrigeration and Air Conditioning EMA Education and Training

    E-Print Network [OSTI]

    Oak Ridge National Laboratory

    Automatic Controls Evaporator Load Superheat MSS Curve MSS curve depends on Load Evaporator Temperature Air, stable superheat over full capacity range ensures best COP under all conditions MSS Curve Superheat Curve

  7. Desiccant Enhanced Evaporative Air-Conditioning (DEVap): Evaluation of a New Concept in Ultra Efficient Air Conditioning

    SciTech Connect (OSTI)

    Kozubal, E.; Woods, J.; Burch, J.; Boranian, A.; Merrigan, T.

    2011-01-01T23:59:59.000Z

    NREL has developed the novel concept of a desiccant enhanced evaporative air conditioner (DEVap) with the objective of combining the benefits of liquid desiccant and evaporative cooling technologies into an innovative 'cooling core.' Liquid desiccant technologies have extraordinary dehumidification potential, but require an efficient cooling sink. DEVap's thermodynamic potential overcomes many shortcomings of standard refrigeration-based direct expansion cooling. DEVap decouples cooling and dehumidification performance, which results in independent temperature and humidity control. The energy input is largely switched away from electricity to low-grade thermal energy that can be sourced from fuels such as natural gas, waste heat, solar, or biofuels.

  8. Biological Engineering Electives Biosystems Engineering

    E-Print Network [OSTI]

    Hill, Jeffrey E.

    Control Theory (3) ECH 4323L Chemical Engineering Lab (1) ECH 4504 Chemical Kinetics & Reactor Design (4) ECH 4524 Heterogeneous Kinetics & Reactor Design (2) EGM 4313 Intermediate Engineering Analysis (4 Principles of Food Processing (4) FOS 4522C Seafood Technology (3) FOS 4722C Quality Control in Foods (3) FOS

  9. College of Engineering EE Electrical Engineering

    E-Print Network [OSTI]

    MacAdam, Keith

    College of Engineering EE Electrical Engineering KEY: # = new course * = course changed = course IN ELECTRICAL AND COMPUTER ENGINEERING. (3,includingtransferfunctions,networkparameters,andadesignprojectinvolvingmoderndesignpractices.Prereq: EE 211. Concur: MA 214. EE 222 ELECTRICAL ENGINEERING LABORATORY I. (2) Laboratory exercises

  10. Engineering Project Management Using The Engineering Cockpit

    E-Print Network [OSTI]

    Engineering Project Management Using The Engineering Cockpit A collaboration platform for project managers and engineers Thomas Moser, Richard Mordinyi, Dietmar Winkler and Stefan Biffl Christian Doppler Laboratory "Software Engineering Integration for Flexible Automation Systems" Vienna University of Technology

  11. Analysis of a hybrid UFAD and radiant hydronic slab HVAC system

    E-Print Network [OSTI]

    Raftery, Paul; Lee, Kwang Ho; Webster, Thomas; Bauman, Fred

    2011-01-01T23:59:59.000Z

    cooling systems,” American Society of Heating, Refrigerating and Air- Conditioning Engineers HVAC & R Research,

  12. Estimating Systems Engineering Reuse

    E-Print Network [OSTI]

    Fortune, Jared

    2009-04-20T23:59:59.000Z

    Systems engineering reuse is the utilization of previously developed systems engineering products or artifacts such as

  13. Mining engineering College of Engineering and Mines

    E-Print Network [OSTI]

    Hartman, Chris

    Mining engineering College of Engineering and Mines Department of Mining and Geological Engineering As the nation's northernmost accredited mining engineering program, our mission is to advance and disseminate. The mining engineering program emphasizes engineering as it ap- plies to the exploration and development

  14. College of Engineering and Science ENGINEERING AND

    E-Print Network [OSTI]

    Bolding, M. Chad

    to ·apply knowledge of math, science, and engineering · identify, formulate, and solve engineering problems87 College of Engineering and Science COLLEGE OF ENGINEERING AND SCIENCE The College of Engineering educational oppor- tunities. The innovative combination of engineering and science disciplines that comprises

  15. College of Engineering and Science ENGINEERING

    E-Print Network [OSTI]

    Bolding, M. Chad

    . The Automotive Engineering programs equip students with the basis, depth and domain knowledge needed for masterCollege of Engineering and Science COLLEGE OF ENGINEERING AND SCIENCE The College of Engineering and Science offers advanced degrees in Automotive Engineering, Bioengineering, Biosystems Engineering

  16. COLLEGE OF ENGINEERING COLLEGE OF ENGINEERING

    E-Print Network [OSTI]

    of new knowledge that colleges of engineering have the greatest global impact. Sandra Woods Woods joinedEnergy COLLEGE OF ENGINEERING #12;COLLEGE OF ENGINEERING 2 COLLEGE OF ENGINEERING Engineers have Colorado State University in 2001 and has served as dean of the College of Engineering since 2005. She

  17. College of Engineering and Science ENGINEERING AND

    E-Print Network [OSTI]

    Stuart, Steven J.

    of producing engineering graduates who are able to: ·apply knowledge of math, science, and engineering91 College of Engineering and Science COLLEGE OF ENGINEERING AND SCIENCE The College of Engineering educational oppor- tunities. The innovative combination of engineering and science disciplines that comprises

  18. Impacts of a Nanosized Ceria Additive on Diesel Engine Emissions of Particulate and Gaseous Pollutants

    E-Print Network [OSTI]

    Garfunkel, Eric

    Impacts of a Nanosized Ceria Additive on Diesel Engine Emissions of Particulate and Gaseous incorporating nanosized ceria have been increasingly used in diesel engines as combustion promoters. However- cylinder, four-cycle diesel engine using fuel mixes containing nanoceria of varying concentrations

  19. MMEECCHHAANNIICCAALL ENGINEERING PROGRAM

    E-Print Network [OSTI]

    Fernandez, Eduardo

    for admission to the Department of Ocean and Mechanical Engineering in the Mechanical Engineering ProgramMMEECCHHAANNIICCAALL ENGINEERING PROGRAM UNDERGRADUATE ADMISSION REQUIREMENTS To be eligible Fundamentals of Engineering* 3 Engineering Graphics* 3 Electives 6 Total: 60 NOTE: Electives may include

  20. COMPUTER ENGINEERING EECS Department

    E-Print Network [OSTI]

    COMPUTER ENGINEERING EECS Department The Electrical Engineering and Computer Science (EECS) Department at WSU offers undergraduate degrees in electrical engineering, computer engineering and computer science. The EECS Department offers Master of Science degrees in computer science, electrical engineering

  1. and Industrial Engineering

    E-Print Network [OSTI]

    Mountziaris, T. J.

    technologicalandlogisticssystemsbygathering, structuring, and managing information. Indus- trial engineers apply their knowledge not only45 Mechanical and Industrial Engineering 220 Engineering Lab Degrees: Bachelor of Science in Mechanical Engineering Bachelor of Science in Industrial Engineering Contact: James R. Rinderle

  2. Electrical and Computer Engineering

    E-Print Network [OSTI]

    Weber, Rodney

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    A high efficiency harmonic engine based on a resonantly reciprocating piston expander that extracts work from heat and pressurizes working fluid in a reciprocating piston compressor. The engine preferably includes harmonic oscillator valves capable of oscillating at a resonant frequency for controlling the flow of working fluid into and out of the expander, and also preferably includes a shunt line connecting an expansion chamber of the expander to a buffer chamber of the expander for minimizing pressure variations in the fluidic circuit of the engine. The engine is especially designed to operate with very high temperature input to the expander and very low temperature input to the compressor, to produce very high thermal conversion efficiency.

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    An engine based on a reciprocating piston engine that extracts work from pressurized working fluid. The engine includes a harmonic oscillator inlet valve capable of oscillating at a resonant frequency for controlling the flow of working fluid into of the engine. In particular, the inlet valve includes an inlet valve head and a spring arranged together as a harmonic oscillator so that the inlet valve head is moveable from an unbiased equilibrium position to a biased closed position occluding an inlet. Upon releasing the inlet valve the inlet valve head undergoes a single oscillation past the equilibrium positio to a maximum open position and returns to a biased return position close to the closed position to choke the flow and produce a pressure drop across the inlet valve causing the inlet valve to close. Protrusions carried either by the inlet valve head or piston head are used to bump open the inlet valve from the closed position and initiate the single oscillation of the inlet valve head, and protrusions carried either by the outlet valve head or piston head are used to close the outlet valve ahead of the bump opening of the inlet valve.

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    Brownfield, L.A.

    1980-12-02T23:59:59.000Z

    The major components of this rotary engine are two equal sized rotary units, the housing containing them along with associated ignition and cooling systems. Each of the rotary units consists of a shaft, gear, two outer compressor wheels, and one center power wheel which has twice the axial thickness as the compressor wheel. All the wheels are cylindrical in shape with a lobe section comprising a 180/sup 0/ arc on the periphery of each wheel which forms an expanding and contracting volumetric chamber by means of leading and trailing lips. The lobes of the first rotary unit are situated 180/sup 0/ opposite the lobes of the second adjacent mating rotary unit, thus lobes can intermesh with its corresponding wheel.

  3. Graduate Studies Geosystems Engineering

    E-Print Network [OSTI]

    Jacobs, Laurence J.

    in geo-based engineering fields. Geosystems engineering, includes geotechnics, geomechanics, geomaterials interaction; geotech- nical processes in energy and mining applications; geomechanics in geological processes Geomechanics · Foundation Systems · Geomechanics Modeling · Geotechnical Earthquake Engineering · Geotechnical

  4. Department of Engineering.

    E-Print Network [OSTI]

    Department of Civil & Structural Engineering. Vibration based Structural Health Monitoring James views of the same spectrum Department of Civil & Structural Engineering. Structural health monitoring of Sheffield, United Kingdom Department of Civil & Structural Engineering. HEALTH and PERFORMANCE are different

  5. Architecture Engineering Construction (AEC)

    E-Print Network [OSTI]

    Weber, David J.

    Architecture Engineering Construction (AEC) Presented to FM Staff February 25, 2009 Updated March 1, 2010 #12;University of Maryland Baltimore Director Architecture, Engineering and Construction Vacant Administration & Finance Kathleen M. Byington #12;Division of Facilities Management Architecture, Engineering

  6. INDUSTRIAL ENGINEER APPRENTICE OPPORTUNITY

    E-Print Network [OSTI]

    Pohl, Karsten

    INDUSTRIAL ENGINEER APPRENTICE OPPORTUNITY SUMMER 2013 Industrial Engineering COOP Student needed-Fri, for summer 2013. Student must be enrolled in BS Engineering program. (Preferably completed 2-3 yrs

  7. Mechanical & Industrial Engineering

    E-Print Network [OSTI]

    Mountziaris, T. J.

    Mechanical & Industrial Engineering 1 Welcome MIE Industrial Advisory Board October 15, 2010 #12;Mechanical & Industrial Engineering 2 MIE Dorothy Adams Undergraduate/Graduate Secretary David Schmidt Associate Professor & Graduate Program Director #12;Mechanical & Industrial Engineering 3 MIE James Rinderle

  8. Computational Chemical Materials Engineering

    E-Print Network [OSTI]

    Home Computational Chemical and Materials Engineering Tahir Cagin Chemical Engineering Department through processing for improving their performance for engineering applications · Use and develop with usable ­ Chemical ­ Electronic ­ Optical ­ Magnetic ­ Transport, thermal and mechanical properties

  9. Mechanical engineering Department Seminar

    E-Print Network [OSTI]

    and the Department of Mechanical Engineering Tufts University Retooling Our Energy Ecosystem: challengesMechanical engineering Department Seminar Robert J. Hannemann The Gordon Institute and Chair of the Tufts Department of Mechanical Engineering. His technical and academic interests

  10. Performance and evaluation of gas-engine-driven split-system cooling equipment at the Willow Grove Naval Air Station

    SciTech Connect (OSTI)

    Armstrong, P.R.; Schmelzer, J.R.

    1997-01-01T23:59:59.000Z

    DOE`s Federal Energy Management Program supports efforts to reduce energy use and associated expenditures within the federal sector; one such effort, the New Technology Demonstration Program (NTDP)(formerly the Test Bed Demonstration program), seeks to evaluate new energy saving US technologies and secure their more timely adoption by the federal government. This report describes the field evaluation conducted to examine the performance of a 15-ton natural-gas-engine- driven, split-system, air-conditioning unit. The unit was installed at a multiple-use building at Willow Grove Naval Air Station, a regular and reserve training facility north of Philadelphia, and its performance was monitored under the NTDP.

  11. Yury Gogotsi Trustee Chair Professor of Materials Science and Engineering

    E-Print Network [OSTI]

    Yury Gogotsi Trustee Chair Professor of Materials Science and Engineering Founder and Director the Ukrainian Academy of Science in 1995. He performed his post- doctoral research in Germany supported for Promotion of Science (JSPS) Fellowships. Professional Affiliations (elected): Fellow of the American

  12. International Symposium on Engineering Neo-Biomimetics II

    E-Print Network [OSTI]

    Harigaya, Kikuo

    and Nature Technology. This symposium has also left not a small after-effect to promote worldwide human for future soft robotics. The importance of database will be highlighted as well as an engine for Biominetics" OP02 11:00 Marian PLOTKIN (Natl. Univ. Singapore, Singapore) "Solar energy harvesting

  13. Study of Cell Material Interactions for Vascular Tissue Engineering Application 

    E-Print Network [OSTI]

    Qu, Xin

    2012-07-16T23:59:59.000Z

    construct to the target tissue. For in situ regeneration, the scaffold alone can be injected directly into the defect to promote local tissue repair with the body?s own cells (9). In addition to the therapeutic application, tissue engineering can also... ............................................... 20 2.2.9 Endpoint Construct Analyses .......................................... 21 2.2.10 Statistical Analyses ....................................................... 24 2.3 Results...

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    E-Print Network [OSTI]

    Research Center. Currently he is an Assistant Prof. in the Aerospace and Ocean Engineering DepartmentMechanical engineering Department Seminar Cornel Sultan Virginia Tech Design for Control

  15. Facility Area Engineer

    Broader source: Energy.gov [DOE]

    A successful candidate in this position will provide cross-cutting engineering oversight of the contractor's engineering programs, processes, and products through design procurement, construction,...

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    Broader source: Energy.gov (indexed) [DOE]

    Engine Apoorv Agarwal Ford Motor Company Paul Whitaker AVL Powertrain Engineering Inc Project ID: ft12agarwal March 20, 2009 This presentation does not contain any proprietary,...

  17. GEOMECHANICS RESEARCH Civil EngineeringCivil Engineering

    E-Print Network [OSTI]

    Levinson, David M.

    GEOMECHANICS RESEARCH Civil EngineeringCivil Engineering The Department ofThe Department of 2002 #12;Geomechanics at the University of Minnesota has its roots in the mining engineering and rock into the unified geomechanics program that exists today. Several significant contributions to the geomechanics

  18. How Concurrent Engineering Reconfigures Process Engineering Activity.

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    - 1 - CHAPTER 9 How Concurrent Engineering Reconfigures Process Engineering Activity. The case Within Department The implementation of concurrent approaches in projects is of relevance to companies). But several authors refer to the difficulties encountered in its deployment: "US engineers tended to quickly

  19. CollegeofEngineering College of Engineering

    E-Print Network [OSTI]

    Illinois at Chicago, University of

    and Engineering Offices (SEO) (312) 996-3463 http://www.engr.uic.edu or http@uic.edu Director of Engineering Admissions and Records, James Muench, jmuench@uic.edu Student Services: 123 SEO Academic Advising: 123 SEO (for appointments) Departments: Bioengineering (BIOE), Chemical Engineering (CHE

  20. PREVENTING ABSENTEEISM AND PROMOTING RESILIENCE AMONG HEALTH CARE WORKERS IN

    E-Print Network [OSTI]

    PREVENTING ABSENTEEISM AND PROMOTING RESILIENCE AMONG HEALTH CARE WORKERS IN BIOLOGICAL Preventing Absenteeism and Promoting Resilience among Health Care Workers in Biological Emergencies A and Promoting Resilience among Health Care Workers in Biological Emergencies A. Lesperance J. Miller1 1