Volume 34 Issue 2
Mar.  2014
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Article Navigation >  Chinese Journal of Space Science  > 2014  >  34(2): 180-185
Hu Jianhang, Feng Ying, Han Jianwei, Cai Minghui, Yang Tao. Simulation and validation of composite shielding for total ionizing dose[J]. Chinese Journal of Space Science, 2014, 34(2): 180-185. doi: 10.11728/cjss2014.02.180
Citation: Hu Jianhang, Feng Ying, Han Jianwei, Cai Minghui, Yang Tao. Simulation and validation of composite shielding for total ionizing dose[J]. Chinese Journal of Space Science, 2014, 34(2): 180-185. doi: 10.11728/cjss2014.02.180
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Simulation and validation of composite shielding for total ionizing dose

doi: 10.11728/cjss2014.02.180 cstr: 32142.14.cjss2014.02.180
  • 1.

    Center for Space Science and Applied Research, Chinese Academy of Sciences, Beijing 100190

  • 2.

    University of Chinese Academy of Sciences, Beijing 100049

  • 3.

    Beijing Electronic Engineering General Research Institute, Beijing 100854

  • Received Date: 2013-04-15
  • Rev Recd Date: 2013-08-13
  • Publish Date: 2014-03-15
    Abstract
  • Total ionizing dose effects caused by space radiation environment will be hazards for satellite electronic devices, and radiation shielding with appropriate materials is needed. Different shielding schemes for electron have been simulated with Monte-Carlo method. Three different shielding options, i.e., pure aluminum, pure tantalum and double-layer structure constituted by these two materials, have been compared. The results indicated that, when the shielding thickness is large enough, composite shielding for electron is better than single material shielding. And through experiments using the 90Sr-90Y source for irradiation test, pure material shielding and composite shielding are compared. The results were consistent with those of the simulation. The research conclusions can provide valuable references to optimization design for radiation shielding.

     

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