Chinese Physics C > 2013, Vol. 37 > Issue(5): 056202 DOI: 10.1088/1674-1137/37/5/056202

Measurement of tritium production rate distribution fora fusion-fission hybrid conceptual reactor

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Abstract：
A fusion-fission hybrid conceptual reactor is established. It consists of a DT neutron source and a spherical shell of depleted uranium and hydrogen lithium. The tritium production rate (TPR) distribution in the conceptual reactor was measured by DT neutrons using two sets of lithium glass detectors with different thicknesses in the hole in the vertical direction with respect to the D ⁺beam of the Cockcroft-Walton neutron generator in direct current mode. The measured TPR distribution is compared with the calculated results obtained by the three-dimensional Monte Carlo code MCNP5 and the ENDF/B-Ⅵ data file. The discrepancy between the measured and calculated values can be attributed to the neutron data library of the hydrogen lithium lack S( α,β) thermal scattering model, so we show that a special database of low-energy and thermal neutrons should be established in the physics design of fusion-fission hybrid reactors.

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WANG Xin-Hua, GUO Hai-Ping, MOU Yun-Feng, ZHENG Pu, LIU Rong, YANG Xiao-Fei and YANG Jian. Measurement of tritium production rate distribution fora fusion-fission hybrid conceptual reactor[J]. Chinese Physics C, 2013, 37(5): 056202. doi: 10.1088/1674-1137/37/5/056202

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Received: 2012-07-26
Revised: 1900-01-01

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通讯作者:陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Measurement of tritium production rate distribution fora fusion-fission hybrid conceptual reactor

Corresponding author:WANG Xin-Hua,

Received Date:2012-07-26

Accepted Date:1900-01-01

Available Online:2013-05-05

Abstract:A fusion-fission hybrid conceptual reactor is established. It consists of a DT neutron source and a spherical shell of depleted uranium and hydrogen lithium. The tritium production rate (TPR) distribution in the conceptual reactor was measured by DT neutrons using two sets of lithium glass detectors with different thicknesses in the hole in the vertical direction with respect to the D⁺beam of the Cockcroft-Walton neutron generator in direct current mode. The measured TPR distribution is compared with the calculated results obtained by the three-dimensional Monte Carlo code MCNP5 and the ENDF/B-Ⅵ data file. The discrepancy between the measured and calculated values can be attributed to the neutron data library of the hydrogen lithium lackS(α,β) thermal scattering model, so we show that a special database of low-energy and thermal neutrons should be established in the physics design of fusion-fission hybrid reactors.

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Measurement of tritium production rate distribution fora fusion-fission hybrid conceptual reactor

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