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Anomalous electron density events in the quiet summer ionosphere at solar minimum over Millstone region ionosphere over Millstone Hill with calculations from the IZMIRAN model for solar minimum layer. This phenomenon occurs frequently in the quiet ionosphere at solar minimum during summer
A 2-D random walk model, developed by Dimou (1989) as part of this research project, was used to simulate entrainment at the Millstone Nuclear Power Station of winter flounder larvae hatched within Niantic River.
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 CenterFranconia, Virginia: Energy Resources Jump to:46 -Energieprojekte GmbH JumpSprings, Vermont:isMillersport,Mills
MILLSTONE QUARRIES IN THE SOUTH OF THE IBERIAN PENINSULA: from Protohistory to Modern Times tel-00985009 the request, because of the Law forbids the import of this article due to the many millstone quarries in di 17 1. Introduction 19 1.1 Millstone quarries everywhere 19 1.2. Study area 23 1.3. Previous research
, Trevor Ippolito, Vincent James Ireson, Thomas C. Jacob, Gregory Benjamin Jang, Dong Min Johnson, Casey A. Delacruz, Samuel Devine, Nathan D. Ding, Nan Douglas, Amy C. Driscoll, Samuel Robert Duarte Millstone, Daniel Brucker Mukusheva, Aigerim Myers, Thomas Hamilton Nerenberg, Samuel L. Neuenfeldt
A comparison of electron densities calculated from the Utah State University First-Principals Ionospheric Model with simultaneous observations taken at Sondrestrom, Millstone, and Arecibo incoherent-scatter radars was undertaken to better understanding the response of the ionosphere at these longitudinally similar yet latitudinally separated locations. The comparison included over 50 days distributed over 3 1/2 years roughly symmetrical about the last solar-minimum in 1986. The overall trend of the comparison was that to first-order the model reproduces electron densities responding to diurnal, seasonal, geomagnetic, and solar-cycle variations for all three radars. However, some model-observation discrepancies were found. These include, failure of the model to correctly produce an evening peak at Millstone, fall-spring equinox differences at Sondrestrom, tidal structure at Arecibo, and daytime NmF2 values at Arecibo.
New England is in the third summer of a protracted electricity supply shortage that began with the shutdown of a substantial quantity of nuclear generating capacity, particularly the 2,630 megawatts (MW) from the three Millstone units located in Connecticut and owned and operated by Northeast Utilities. This report was prepared in response to a request from Senator Christopher Dodd and Senator Joseph Lieberman, both of Connecticut, that the Department of Energy provide an update of its June 1997 report, New England Electricity Supply Outlook, Summer 1997--and Beyond, which examines measures that might be taken to ease the supply shortage, particularly measured to relieve transmission constraints that restrict the import of electricity into Connecticut. In the interval since the 1997 report, three changes have occurred in the region`s overall electric supply context that are particularly significant: the Millstone 3 nuclear unit (1,150 MW) has been put back into service at full capacity; electricity demand is higher, due primarily to regional economic growth. The region`s projected 1998 peak demand is 22,100 MW, 1,531 MW higher than the region`s 1997 peak; and many new additions to the region`s generating capacity have been announced, with projected completion dates varying between 1999 and 2002. If all of the announced projects were completed--which appears unlikely--the total additions would exceed 25,000 MW. A small number of new transmission projects have also been announced.
Incoherent scatter radar observations from Millstone Hill, Saint Santin, and Arecibo are used to illustrate changes of the topside ionosphere during a geomagnetic storm. These observations consist of electron density, electron and ion temperatures, and ion velocity components parallel and perpendicular to the magnetic field. These parameters can further describe changes in ion composition, electric fields, and neutral winds. Attention is given to a specific storm during the Equinox Transition Study (ETS) of September 1984. In order to isolate the storm effects in the topside ionosphere, a comparison will be made between a disturbed and quiet day. A novel result from this study is the finding of correlated oscillations between parallel and perpendicular ion velocity components which are apparently storm induced. Previously, these oscillations have been observed primarily at night, but now it's noticed that during storm conditions there are prominent oscillations during the day.
Research efforts have been underway in the American Society of Mechanical Engineers (ASME) and industry to define appropriate methods for the application of risk-based technology in the development of inservice inspection (ISI) programs for piping systems in nuclear power plants. This paper discusses a pilot application of these methods to the inservice inspection of piping systems of Northeast Utilities Millstone Unit 3 nuclear power station. This demonstration study, which has been sponsored by the Westinghouse Owners Group (WOG), applies probabilistic safety assessment (PSA) models that have already been developed to meet regulatory requirements for an individual plant examination (IPE). The approach calculates the relative importance for each component within the systems of interest. This risk-importance is based on the frequency of core damage resulting from the structural failure of the component. The process inductively determines the effects that such failures have on the desired operational characteristics of the system being analyzed. Structural reliability/risk assessment (SRRA) models based on probabilistic structural mechanics methods are used to estimate failure probabilities for important components. Locations within a system with varying failure probabilities can be defined to focus ISI resources. This paper will discuss the above process and results to show that application of risk-based methods in the development of ISI programs can potentially result in significant savings while maintaining a high level of safety.
Closky, N.B.; Balkey, K.R. [Westinghouse Electric Corp., Pittsburgh, PA (United States); Oswald, E.; West, R. [Northeast Utilities, Hartford, CT (United States)
This synopsis has been written to describe a perspective on the development and application of ASME Section XI Code changes for risk-based inspection of piping. The content is specifically related to the use of risk-based technology for Inservice Inspection (ISI) of piping and efforts made to support the ASME Research/Westinghouse Owners Group/Millstone Unit 3 approach for use of this technology. The opinions contained herein may or may not reflect those of the ASME Codes and Standards Committees responsible for these activities. In order to take such a detailed technical subject and put it into an understandable format, the author has chosen to provide an analogy to simplify what is actually taking place. Risk-based technology in the ISI of piping can be likened to the process of making and using specifically ground prescription glasses to allow for better vision. It provides a process to develop and use these uniquely ground glasses that will dynamically focus on all the locations and obstacles within a plant`s piping systems that could cause that plant to trip and fall; more importantly it identifies the locations where the fall could possibly hurt someone else. In this way, Nuclear Safety is being addressed.
The results of this study, performed by Pacific Northwest Laboratory (PNL) and sponsored by the US Department of Energy (DOE), respond to the nuclear industry's recommendation that a report be prepared that collects and describes the licensing issues (and their resolutions) that confront a new applicant requesting approval from the US Nuclear Regulatory Commission (NRC) for dry storage of spent fuel or for large-scale storage of consolidated spent fuel rods in pools. The issues are identified in comments, questions, and requests from the NRC during its review of applicants' submittals. Included in the report are discussions of (1) the 18 topical reports on cask and module designs for dry storage fuel that have been submitted to the NRC, (2) the three license applications for dry storage of spent fuel at independent spent fuel storage installations (ISFSIs) that have been submitted to the NRC, and (3) the three applications (one of which was later withdrawn) for large-scale storage of consolidated fuel rods in existing spent fuel storage pools at reactors that were submitted tot he NRC. For each of the applications submitted, examples of some of the issues (and suggestions for their resolutions) are described. The issues and their resolutions are also covered in detail in an example in each of the three subject areas: (1) the application for the CASTOR V/21 dry spent fuel storage cask, (2) the application for the ISFSI for dry storage of spent fuel at Surry, and (3) the application for full-scale wet storage of consolidated spent fuel at Millstone-2. The conclusions in the report include examples of major issues that applicants have encountered. Recommendations for future applicants to follow are listed. 401 refs., 26 tabs.
The American Physical Society's part of its centennial celebration in March of 1999 decided to develop a timeline wall chart on the history of 20th century physics. This resulted in eleven consecutive posters, which when mounted side by side, create a 23-foot mural. The timeline exhibits and describes the millstones of physics in images and words. The timeline functions as a chronology, a work of art, a permanent open textbook, and a gigantic photo album covering a hundred years in the life of the community of physicists and the existence of the American Physical Society. Each of the eleven posters begins with a brief essay that places a major scientific achievement of the decade in its historical context. Large portraits of the essays' subjects include youthful photographs of Marie Curie, Albert Einstein, and Richard Feynman among others, to help put a face on science. Below the essays, a total of over 130 individual discoveries and inventions, explained in dated text boxes with accompanying images, form the backbone of the timeline. For ease of comprehension, this wealth of material is organized into five color-coded story lines the stretch horizontally across the hundred years of the 20th century. The five story lines are: Cosmic Scale, relate the story of astrophysics and cosmology; Human Scale, refers to the physics of the more familiar distances from the global to the microscopic; Atomic Scale, focuses on the submicroscopic world of atoms, nuclei and quarks; Living World, chronicles the interaction of physics with biology and medicine; Technology, traces the applications of physic to everyday living. Woven into the bottom border of the timeline are period images of significant works of art, architecture, and technological artifacts such as telephones, automobiles, aircraft, computers, and appliances. The last poster, covering the years since 1995, differs from the others. Its essay concerns the prospect for physics into the next century, and is illustrated with pictures of promising award winning high school students who, it is hoped, will be the leading researchers of physics in the decades ahead. Appropriately the last entries in the timeline are not achievements but open questions to be answered in the future.