Journal of the Korean Physical Society

, Volume 75, Issue 9, pp 666–671 | Cite as

Comparison of the Radiation Shielding Properties of Wall Materials for the Manned Spacecraft for Future China Space Exploration Missions

  • Zhengxin Wu
  • Yugang Ma
  • Jinbin Lu
  • Huibin SunEmail author
  • Guoqing LiuEmail author
  • Haige Zhao
  • Yin Wang
  • Yanqi Hu


The radiation environment in space poses significant challenges to human health, and it is a major concern in long duration, manned space missions. Outside Earth’s protective magnetosphere, astronauts are exposed to higher levels of galactic cosmic rays (GCRs), whose physical characteristics are distinct from those of terrestrial sources of radiation, such as X-rays and gamma-rays. GCRs include high-energy heavy ions, many of which have ranges that exceed the depth of shielding and can be launched in realistic scenarios. Protecting the astronauts from these particles has been a key issue in manned space missions. Therefore, a need exists for reliable simulations of these harmful effects for risk assessment and shielding optimization in manned space missions. The aim of this work was to investigate shielding materials that can be used in deep space and planetary exploration. In this work, we used the Geant4 radiation transport code, originally developed by the International Geant4 Collaboration, and we compared the radiation shielding effectivenesses of polyethylene, aluminum, water, and carbon fiber targets hit by 1GeV/nucleon 56Fe (considered as a representative of high-energy GCR). In addition, the total absorbed doses at the water phantom behind these targets were calculated using the Geant4 simulation code. The calculated results were analyzed, compared, and discussed. The results show that polyethylene is the best space radiation shielding material for a given areal density, followed by water, carbon fiber, and then aluminum.


Spacecraft Dose Geant4 Heavy ions 


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This work was supported by the National Key Scientific Instrument and Equipment Development Projects of China (2017YFF0106501), the National Natural Science Foundation of China (Grant 11575118), the manned Space Research Project of China (010501), the Natural Science Foundation of Guangdong Province (No. 2016A0 30313037), and the Shenzhen Science and Technology Innovation Project (No. JCYJ20170818100556755).


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Copyright information

© The Korean Physical Society 2019

Authors and Affiliations

  1. 1.College of PhysicsJilin UniversityJilin, ChangchunChina
  2. 2.Institute of Nuclear TechnologyShenzheng UniversityGuangdong, ShenzhengChina
  3. 3.Institut de Physique Nucl´eaireUniversity Paris-SudOrsayFrance
  4. 4.Beijing Institute of Spacecraft System EngineeringBeijingChina

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