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ANSTO Publications Online >
ANSTO Publications >
Scientific and Technical Reports >
Please use this identifier to cite or link to this item:
http://apo.ansto.gov.au/dspace/handle/10238/549
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| Title: | Comparison of calculations of a reflected reactor with diffusion, sn and monte carlo codes. |
| Authors: | McGregor, BJ |
| Issue Date: | Jan-1975 |
| Publisher: | Australian Nuclear Science and Technology Organisation |
| Abstract: | A diffusion theory code, POW, was compared with a Monte Carlo transport theory code, KENO, for the calculation of a small C/235U cylindrical core with a graphite reflector. The calculated multiplication factors were in good agreement but differences were noted in region-averaged group fluxes. A one-dimensional spherical geometry was devised to approximate cylindrical geometry. Differences similar to those already observed were noted when the region-averaged fluxes from a diffusion theory (POW) calculation were compared with an SN transport theory (ANAUSN) calculation for the spherical model. Calculations made with SN and Monte Carlo transport codes were in good agreement. It was concluded that observed flux differences were attributable to the POW code, and were not inconsistent with inherent diffusion theory approximations. |
| URI: | http://apo.ansto.gov.au/dspace/handle/10238/549 |
| ISBN: | 0642996733 |
| Appears in Collections: | Scientific and Technical Reports |
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