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Boiling Water Reactor In Core Fuel Management Through Parallel Simulated Annealing In Formosa B
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Book Synopsis Boiling Water Reactor In-core Fuel Management Through Parallel Simulated Annealing in FORMOSA-B by : Ross Daniel Hays
Download or read book Boiling Water Reactor In-core Fuel Management Through Parallel Simulated Annealing in FORMOSA-B written by Ross Daniel Hays and published by . This book was released on 2009 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: Keywords: boiling water reactor, BWR, optimization, fuel management, nuclear, simulated annealing, parallel computing.
Book Synopsis Boiling Water Reactor In-Core Fuel Management Through Parallel Simulated Annealing in FORMOSA-B. by :
Download or read book Boiling Water Reactor In-Core Fuel Management Through Parallel Simulated Annealing in FORMOSA-B. written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A commercial nuclear power plant with a boiling water reactor will utilize between 368 and 800+ individual fuel assemblies to generate steam for 18 to 24 months between refueling outages. The composition and reactivity of each fuel assembly will vary due to variations in initial enrichment, burnable poison loading and irradiation conditions in the core. These variations pose a challenge to the engineers who must design subsequent reloads because only one quarter to one half of the fuel will be replaced at a time. One of the challenges is to determine the optimum layout of the fuel within the core in order to get the highest value from the fuel without violating any safety or operational limits. The FORMOSA-B program was developed to automatically find a family of optimum loading patterns by combining a robust, accurate 3-D core simulator with a simulated annealing loading pattern search. Other features have been added to allow the program to rapidly compute shutdown margins and optimize control rod programming through the application of heuristic rules. One drawback of the FORMOSA-B program is that long run-times, sometimes exceeding a week, are required to generate and evaluate the large numbers of solutions required by the simulated annealing algorithm. The rising popularity and availability of parallel computing and computational clusters provides a possible solution to the problem of long run-times. To this end, a parallel simulated annealing capability has been developed for the FORMOSA-B program. The parallel simulated annealing driver utilizes standardized Message Passing Interface routines to divide the individual Markov search chains of the simulated annealing algorithm among a large number of processors. By evaluating multiple loading patterns concurrently, run times are significantly reduced. In testing with a 368-assembly BWR/4 model, parallel speedup factors exceeding 32 were observed with 48 processors. Parallel efficiencies are calculated to be in the.
Book Synopsis Multi-cycle Boiling Water Reactor Fuel Cycle Optimization by : Keith Everette Ottinger
Download or read book Multi-cycle Boiling Water Reactor Fuel Cycle Optimization written by Keith Everette Ottinger and published by . This book was released on 2014 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: A multi-cycle nuclear fuel cycle optimization code, BWROPT (Boiling Water Reactor OPTimization), has been developed. BWROPT uses the Parallel Simulated Annealing (PSA) algorithm to solve the coupled out-of-core and in-core optimization problems. There are two depletion methods used for the in-core optimization: the Haling depletion and a Control Rod Pattern (CRP) search. The result of this optimization is the optimum new fuel inventory and the core loading pattern for the first cycle considered in the optimization. Several changes were made to the optimization algorithm with respect to other nuclear fuel cycle optimization codes that use PSA. Instead of using constant sampling probabilities for the solution perturbation types throughout the optimization, as is usually done, the sampling probabilities can be varied to get a better solution and/or decrease runtime. Also, the new fuel types available for use can be sorted into an array based on any parameter so that each parameter can be incremented or decremented. In addition several evaluations were performed to test the CRP search option. Using the variable sampling probabilities was found to produce slightly better results in less time than the standard method of having constant sampling probabilities. Performing ordered and random sampling of the new fuel types using the new fuel type array was found to yield slightly better solutions on average than random sampling alone, but with a somewhat higher runtime. Using variable length Markov chains for optimizations in which a CRP search is performed for the first cycle and the Haling depletion is used for the remaining cycles was found to increase CPU utilization by 33%. Starting the CRP search with the CRP determined for the previous solution was found to be better than starting the CRP search with all of the rods fully withdrawn. Using the CRP search in an optimization was slow and produced inferior results compared to using the Haling depletion, indicating the need for more work in this area.
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 2001 with total page 952 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis In-core Nuclear Fuel Management Optimization Utilizing Simulated Annealing by : David Joseph Kropaczek
Download or read book In-core Nuclear Fuel Management Optimization Utilizing Simulated Annealing written by David Joseph Kropaczek and published by . This book was released on 1990 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis In-core Fuel Management for Boiling Water Reactors by : Shih Hsi Yeh
Download or read book In-core Fuel Management for Boiling Water Reactors written by Shih Hsi Yeh and published by . This book was released on 1980 with total page 766 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scoping Study on Boiling Water Reactor In-core Nuclear Fuel Management Optimization by : Suxu Sun
Download or read book Scoping Study on Boiling Water Reactor In-core Nuclear Fuel Management Optimization written by Suxu Sun and published by . This book was released on 1993 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 2004 IEEE Nuclear Science Symposium Conference Record by :
Download or read book 2004 IEEE Nuclear Science Symposium Conference Record written by and published by . This book was released on 2004 with total page 772 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Optimal Core Control for Pressurized Water Reactors Utilizing Simulated Annealing by : Jianqing Ye
Download or read book Optimal Core Control for Pressurized Water Reactors Utilizing Simulated Annealing written by Jianqing Ye and published by . This book was released on 1995 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Conference Record written by and published by . This book was released on 2004 with total page 780 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Chemical Abstracts written by and published by . This book was released on 2002 with total page 2710 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Applied Science & Technology Index by :
Download or read book Applied Science & Technology Index written by and published by . This book was released on 2000 with total page 1688 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Nuclear Engineering by : Dan Gabriel Cacuci
Download or read book Handbook of Nuclear Engineering written by Dan Gabriel Cacuci and published by Springer Science & Business Media. This book was released on 2010-09-14 with total page 3701 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is an authoritative compilation of information regarding methods and data used in all phases of nuclear engineering. Addressing nuclear engineers and scientists at all levels, this book provides a condensed reference on nuclear engineering since 1958.
Download or read book Extrusion written by Harold F. Giles Jr and published by William Andrew. This book was released on 2013-09-21 with total page 638 pages. Available in PDF, EPUB and Kindle. Book excerpt: The second edition of Extrusion is designed to aid operators, engineers, and managers in extrusion processing in quickly answering practical day-to-day questions. The first part of the book provides the fundamental principles, for operators and engineers, of polymeric materials extrusion processing in single and twin screw extruders. The next section covers advanced topics including troubleshooting, auxiliary equipment, and coextrusion for operators, engineers, and managers. The final part provides applications case studies in key areas for engineers such as compounding, blown film, extrusion blow molding, coating, foam, and reprocessing. This practical guide to extrusion brings together both equipment and materials processing aspects. It covers basic and advanced topics, for reference and training, in thermoplastics processing in the extruder. Detailed reference data are provided on such important operating conditions as temperatures, start-up procedures, shear rates, pressure drops, and safety. A practical guide to the selection, design and optimization of extrusion processes and equipment Designed to improve production efficiency and product quality Focuses on practical fault analysis and troubleshooting techniques
Book Synopsis A Dictionary of Mining, Mineral, and Related Terms by : United States. Bureau of Mines
Download or read book A Dictionary of Mining, Mineral, and Related Terms written by United States. Bureau of Mines and published by . This book was released on 1968 with total page 1284 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes about 55,000 individual mining and mineral industry term entries with about 150,000 definitions under these terms.
Book Synopsis Handbook of Polyolefins by : Cornelia Vasile
Download or read book Handbook of Polyolefins written by Cornelia Vasile and published by CRC Press. This book was released on 2000-06-21 with total page 1040 pages. Available in PDF, EPUB and Kindle. Book excerpt: A handbook on polyolefins. This second edition includes new material on the structure, morphology and properties of polyolefin (PO) synthesis. It focuses on synthetic advances, the use of additives, special coverage of PO blends, composites and fibres, and surface treatments. It also addresses the problem of interfacial and superficial phenomena.
Book Synopsis Dictionary of Microbiology & Molecular Biology by : Paul Singleton
Download or read book Dictionary of Microbiology & Molecular Biology written by Paul Singleton and published by . This book was released on 2007-11-12 with total page 908 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Third, Revised Edition of a unique, encyclopaedic reference work covers the whole field of pure and applied microbiology and microbial molecular biology, from A to Zythia.
