Comparison Study between ADS Granular and Monolith Targets using Monte Carlo Method

CHEN Jianqi; ZHANG Yaling; ZHANG Xunchao; YAN Xuesong; LI Jianyang; YANG Lei

doi:10.11804/NuclPhysRev.33.03.330

Using the Fluka Monte Carlo code,the comparison study between granular target and monolith target in neutron and proton leakages,neutron and proton fluxes,energy deposition density and residual radioactivity as well as gamma dose rates were presented.Results shows that the neutron flux and energy deposition in tungsten spheres target are more homogeneous along the axial direction than monolith target.What's more,the granular target has a more lateral neutron yield and a relatively small amount of neutrons in the backward direction.In addition,the total radioactivity is found to be comparatively lower in granular target,although for some nuclei,the value of their activities are similar for both targets.So the above features make the granular target more suitable as a ADS target.

Comparison Study between ADS Granular and Monolith Targets using Monte Carlo Method

1. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;

2. University of Chinese Academy of Sciences, Beijing 100049, China

Funds: Strategic Priority Research Program of Chinese Academy of Sciences (XDA03030100); National Natural Science Foundation of China(91026005)

Received Date: 2015-10-18

Rev Recd Date: 2015-11-10

Publish Date: 2016-09-20

Key words:

Abstract: Using the Fluka Monte Carlo code,the comparison study between granular target and monolith target in neutron and proton leakages,neutron and proton fluxes,energy deposition density and residual radioactivity as well as gamma dose rates were presented.Results shows that the neutron flux and energy deposition in tungsten spheres target are more homogeneous along the axial direction than monolith target.What's more,the granular target has a more lateral neutron yield and a relatively small amount of neutrons in the backward direction.In addition,the total radioactivity is found to be comparatively lower in granular target,although for some nuclei,the value of their activities are similar for both targets.So the above features make the granular target more suitable as a ADS target.

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Reference (24)

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Comparison Study between ADS Granular and Monolith Targets using Monte Carlo Method

doi: 10.11804/NuclPhysRev.33.03.330

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