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Lefler, W.; Baxter, A.; Mathews, D.
General Atomics Co., San Diego, CA (USA)1987
General Atomics Co., San Diego, CA (USA)1987
AbstractAbstract
[en] The temperature dependence of the reactivity coefficient in a prismatic block Modular High-Temperature Gas-Cooled Reactor (MHTGR) design is examined and found to be large and negative. Temperature coefficient results obtained with the ENDF/B-V data library were almost the same as results obtained with the earlier versions of the ENDF/B data library usually used at GA Technologies Inc. (GA) in spite of a significant eigenvalue increase with the ENDF/B-V data. The effects of fuel burnup and arbitrarily assumed cross section variations were examined and tabulated
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Source
Dec 1987; 26 p; International Atomic Energy Agency's consultant meeting on reactor physics calculations using small computers; Vienna (Austria); 8-11 Dec 1987; CONF-871262--2; Available from NTIS, PC A03 as DE88006656
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Report
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Conference
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AFTER-HEAT, BURNUP, CROSS SECTIONS, FISSION PRODUCTS, FUEL ELEMENTS, HEAT TRANSFER, HTGR TYPE REACTORS, HYDRAULICS, INTERNAL CONVERSION RADIOISOTO, PLUTONIUM 239, PLUTONIUM 240, PLUTONIUM 241, PLUTONIUM 242, PROTACTINIUM, REACTIVITY, REACTIVITY COEFFICIENTS, REACTOR CORES, SENSITIVITY ANALYSIS, SPONTANEOUS FISSION RADIOISOTO, TEMPERATURE DEPENDENCE, THORIUM 232, URANIUM 233, URANIUM 235, URANIUM 238
ACTINIDE NUCLEI, ACTINIDES, ALPHA DECAY RADIOISOTOPES, BETA DECAY RADIOISOTOPES, BETA-MINUS DECAY RADIOISOTOPES, ELEMENTS, ENERGY TRANSFER, EVEN-EVEN NUCLEI, EVEN-ODD NUCLEI, GAS COOLED REACTORS, GRAPHITE MODERATED REACTORS, HEAVY ION DECAY RADIOISOTOPES, HEAVY NUCLEI, ISOMERIC TRANSITION ISOTOPES, ISOTOPES, MATERIALS, METALS, MINUTES LIVING RADIOISOTOPES, NEON 24 DECAY RADIOISOTOPES, NUCLEI, PLUTONIUM ISOTOPES, RADIOACTIVE MATERIALS, RADIOISOTOPES, REACTOR COMPONENTS, REACTORS, THORIUM ISOTOPES, URANIUM ISOTOPES, YEARS LIVING RADIOISOTOPES
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