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Observations Regarding Fixed Decay Constants On The Reactivity Prediction For The Fast Fission Of U 235
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Book Synopsis Observations Regarding Fixed Decay Constants on the Reactivity Prediction for the Fast Fission of U-235 by :
Download or read book Observations Regarding Fixed Decay Constants on the Reactivity Prediction for the Fast Fission of U-235 written by and published by . This book was released on 1997 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: Delayed neutron precursors have traditionally been represented by six groups. The group yields and decay constants are obtained from nonlinear fits to delayed neutron emission rates obtained experimentally. Each fit to the data produces different set of group decay constants based on the statistical precision of the instruments used and on the time domain used. As a result, standard data libraries contain different sets of group decay constants for each fissionable nuclide based on the nonlinear least squares fit. The group decay constants for thermal and fast fission of the same fissile nuclide are also different. The advantages of using a single set of decay constants for all isotopes facilitate the analysis to cores that have different type of fissionable materials. This and other advantages have been discussed by several authors. Cahalan and Ott, 1973 developed six group formulations with fixed decay constants for fast fission of 8 different nuclide. A simpler transformation is used in this work to demonstrate that fixed decay constant formulations can easily be developed and differences in reactivity introduced by the transformation are very small. The seven decay constants used for this demonstration are not optimal or recommended in any sense. The selection of a fixed set of decay constants that could be used for all fissionable nuclides and neutron energies appears feasible and is under study, but it is well beyond the scope of this abstract.
Book Synopsis Proceedings of the International Conference on the Physics of Nuclear Science and Technology by :
Download or read book Proceedings of the International Conference on the Physics of Nuclear Science and Technology written by and published by . This book was released on 1998 with total page 852 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Transactions of the American Nuclear Society by : American Nuclear Society
Download or read book Transactions of the American Nuclear Society written by American Nuclear Society and published by . This book was released on 1998 with total page 760 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book TID. written by and published by . This book was released on 1961 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Criticality written by R. L. Scott and published by . This book was released on 1961 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1966 with total page 1092 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Army, Navy, Air Force Journal & Register by :
Download or read book Army, Navy, Air Force Journal & Register written by and published by . This book was released on 1945 with total page 832 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bulletin of the Atomic Scientists by :
Download or read book Bulletin of the Atomic Scientists written by and published by . This book was released on 1971-09 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Bulletin of the Atomic Scientists is the premier public resource on scientific and technological developments that impact global security. Founded by Manhattan Project Scientists, the Bulletin's iconic "Doomsday Clock" stimulates solutions for a safer world.
Book Synopsis Radioisotopes and the Age of the Earth by : Larry Vardiman
Download or read book Radioisotopes and the Age of the Earth written by Larry Vardiman and published by . This book was released on 2000 with total page 856 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents part two of the research results of an eight-year project titled Radioisotopes and the Age of the Earth (RATE). A previous volume presenting part one of the research was published in 2000, titled Radioisotopes and the age of the Earth : a young-earth creationist research initiative. RATE Project sponsors included Institute for Creation Research and Creation Research Society, with start-up support from Answers in Genesis Ministries. Researchers included seven scientists and one biblical Hebrew scholar: Dr. Steven A. Austin, Dr. Andrew Snelling, Dr. John Baumgardner, Dr. Eugene F. Chaffin, Dr. Donald B. DeYoung, Dr. Russell Humphreys, Dr. Larry Vardiman and Dr. Steven W. Boyd.
Book Synopsis Proceedings of the ... International Conference on Radioactive Waste Management and Environmental Remediation by :
Download or read book Proceedings of the ... International Conference on Radioactive Waste Management and Environmental Remediation written by and published by . This book was released on 1995 with total page 920 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1970 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Army and Navy Journal written by and published by . This book was released on 1945 with total page 1000 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Improving Fuel Cycle Design and Safety Characteristics of a Gas Cooled Fast Reactor by : Willem Frederik Geert van Rooijen
Download or read book Improving Fuel Cycle Design and Safety Characteristics of a Gas Cooled Fast Reactor written by Willem Frederik Geert van Rooijen and published by IOS Press. This book was released on 2006 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Generation IV Forum is an international nuclear energy research initiative aimed at developing the fourth generation of nuclear reactors, envisaged to enter service halfway the 21st century. One of the Generation IV reactor systems is the Gas Cooled Fast Reactor (GCFR), the subject of study in this thesis. The Generation IV reactor concepts should improve all aspects of nuclear power generation. Within Generation IV, the GCFR concept specifically targets sustainability of nuclear power generation. The Gas Cooled Fast Reactor core power density is high in comparison to other gas cooled reactor concepts. Like all nuclear reactors, the GCFR produces decay heat after shut down, which has to be transported out of the reactor under all circumstances. The layout of the primary system therefore focuses on using natural convection Decay Heat Removal (DHR) where possible, with a large coolant fraction in the core to reduce friction losses.
Book Synopsis Accelerator-Driven System at Kyoto University Critical Assembly by : Cheol Ho Pyeon
Download or read book Accelerator-Driven System at Kyoto University Critical Assembly written by Cheol Ho Pyeon and published by Springer. This book was released on 2021-03-20 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access book is a unique compilation of experimental benchmark analyses of the accelerator-driven system (ADS) at the Kyoto University Critical Assembly (KUCA) on the most recent advances in the development of computational methods. It is devoted especially to nuclear engineers and scientists. Readers will find a detailed description of advanced measurement techniques and calculation methodologies for the ADS with 14 MeV neutrons and high-energy neutrons (with combined use of 100 MeV protons and Pb-Bi target) at KUCA. Additionally, experimental results of nuclear transmutation of minor actinides by ADS and at a critical state are included. Readers also have access to benchmarks of specific ADS experiments with raw data in the Appendix. The book is a valuable resource for the ADS experiments at KUCA which are globally recognized as both static and kinetic studies from the point of view of fundamental research.
Book Synopsis Bulletin of the Atomic Scientists by :
Download or read book Bulletin of the Atomic Scientists written by and published by . This book was released on 1975-09 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Bulletin of the Atomic Scientists is the premier public resource on scientific and technological developments that impact global security. Founded by Manhattan Project Scientists, the Bulletin's iconic "Doomsday Clock" stimulates solutions for a safer world.
Book Synopsis Bulletin of the Atomic Scientists by :
Download or read book Bulletin of the Atomic Scientists written by and published by . This book was released on 1971-09 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Bulletin of the Atomic Scientists is the premier public resource on scientific and technological developments that impact global security. Founded by Manhattan Project Scientists, the Bulletin's iconic "Doomsday Clock" stimulates solutions for a safer world.
Book Synopsis Status of Fast Reactor Research and Technology Development by : International Atomic Energy Agency
Download or read book Status of Fast Reactor Research and Technology Development written by International Atomic Energy Agency and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Based on a recommendation from the Technical Working Group on Fast Reactors, this publication is a regular update of previous publications on fast reactor technology. The publication provides comprehensive and detailed information on the technology of fast neutron reactors. The focus is on practical issues that are useful to engineers, scientists, managers, university students and professors. The main issues of discussion are experience in design, construction, operation and decommissioning, various areas of research and development, engineering, safety and national strategies, and public acceptance of fast reactors. In the summary the reader will find national strategies, international initiatives on innovative (i.e. Generation IV) systems and an assessment of public acceptance as related to fast reactors."--Résumé de l'éditeur.
