Please use this identifier to cite or link to this item: https://apo.ansto.gov.au/dspace/handle/10238/541
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dc.contributor.authorMcGregor, BJen_AU
dc.contributor.authorHarrington, BVen_AU
dc.date.accessioned2007-11-22T04:24:24Zen_AU
dc.date.accessioned2010-04-30T04:36:17Z-
dc.date.available2007-11-22T04:24:24Zen_AU
dc.date.available2010-04-30T04:36:17Z-
dc.date.issued1974-12en_AU
dc.identifier.citationMcGregor, B., & Harrington, B. (1974). Comparison of calculations made with three time-dependent neutron codes TDA, MORSE and POW. (AAEC/E336). Lucas Heights, NSW: Australian Atomic Energy Commission.-
dc.identifier.govdoc551-
dc.identifier.isbn0642996598en_AU
dc.identifier.otherAAEC-E-336en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/541en_AU
dc.description.abstractThree computer codes were compared to determine their usefulness in analysing a pulsed neutron experiment. The codes were a Monte Carlo code (MORSE) a diffusion kinetics code (POW) and a time dependent SN code (TDA). A series of test problems were devised to progressively model the experiment. All problems assumed a spherical system with an isotropic source. The first problem had its source in the first energy group for the first nanosecond. The second problem had its source distributed in time but not distributed in energy. The third problem had a source distributed in energy and time. POW and MORSE were shown to be in good agreement, with significant differences occurring only at times when the system did not correspond with the approximations made in POW. The AAEC version of the TDA code did not handle a time-dependent source. There was also a tendency for the results beyond 50 ns to be higher than those for the other two codes for the problems having a source constant over one time interval.en_AU
dc.language.isoen_auen_AU
dc.publisherAustralian Atomic Energy Commissionen_AU
dc.subjectComparative evaluations-
dc.subjectM codes-
dc.subjectComputer calculations-
dc.subjectP codes-
dc.subjectNeutron flux-
dc.subjectNeutrons-
dc.titleComparison of calculations made with three time-dependent neutron codes TDA, MORSE and POW.en_AU
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