Neutron flux calculation for central channel in first cycle of SPRR-300

Yang Wankui; Zeng Herong; Leng Jun; Liu Yaoguang

doi:10.3788/HPLPB20122412.3001

Volume 24 Issue 12

Nov. 2012

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Article Navigation > High Power Laser and Particle Beams > 2012 > 24(12): 3001-3005

Liu Meifang, Liu Yiyang, Shi Ruiting, et al. Effect of oil phase and water phase on wall thickness of polymer microspheres prepared by agitation method[J]. High Power Laser and Particle Beams, 2013, 25: 1370-1374. doi: 10.3788/HPLPB20132506.1370

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Yang Wankui, Zeng Herong, Leng Jun, et al. Neutron flux calculation for central channel in first cycle of SPRR-300[J]. High Power Laser and Particle Beams, 2012, 24: 3001-3005. doi: 10.3788/HPLPB20122412.3001

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Neutron flux calculation for central channel in first cycle of SPRR-300

doi: 10.3788/HPLPB20122412.3001

1.
Institute of Nuclear Physics and Chemistry,CAEP,P.O.Box 919-211,Mianyang 621900,China

Received Date: 2012-06-26
Rev Recd Date: 2012-08-04
Publish Date: 2012-11-05

Abstract

Abstract

The physical model of the 300# swimming pool research reactor(SPRR-300) based on the Monte Carlo code MCNP has been verified. Sophisticated modeling is conducted. An effective multiplication factor value of 1.002 29 is obtained, existing a relative error of 0.229% compared with the critical value. Meanwhile, a problem comes out that the interrupt and continue-run with parallel version of MCNP doesnt work. The problem is solved through trail and error process. A reasonable application of flux tally average over a cell and flux tally at a point is suggested, namely the former is prior to the latter to tally in big volume. Comparison between calculation results and experimental data shows that the thermal neutron flux has a deviation of 4.6% at a power level of 3 MW. That is to say, the calculated value and the experimental value agree well with each other, and the neutron flux result is dependable.
- neutron reactor,
- criticality calculation,
- MCNP code,
- parallel calculation,
- continue-run

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