Radiation Physics and Engineering
A peer-reviewed journal published by K. N. Toosi University of Technology

Shielding design considering commercial parts for LEO mission satellite using SPENVIS software

Document Type : Research Article

Authors

Zahra Bokaei 1
Hamideh Daneshvar 2
Seyed Amir Hossein Feghhi 3
Ali Asghar Shokri 4

1 Payame Noor University, Tehran, Iran

2 Radiation Application Research School, Nuclear Science and Technology Research Institute, ‎Tehran‎, ‎Iran

3 Department of Radiation Application, Shahid Beheshti University, Tehran, Iran

4 Department of Theoretical and Nanophysics, Alzahra University, Tehran, Iran

https://doi.org/10.22034/rpe.2024.467476.1208
Abstract
The space radiation environment includes trapped protons and electrons, solar protons, galactic cosmic radiation, and neutrons, which can lead to electronic satellite malfunctions. Radiation damage has destructive effects on the electronic components of satellites. As a result of economic reasons and the presence of various limitations, the utilization of commercial components has become common in short-term and low-altitude missions. The most efficient method of protection against radiation is the use of shields. The purpose of this study is to investigate the optimal shielding in a 3-year mission in LEO orbit by considering the radiation resistance of commercial parts using SPENVIS software, SHIELDOSE code, and MULASSIS software. The result of SHIELDOSE, MULASSIS calculations is that the amount of thickness of different materials for the radiation tolerance of commercial parts does not vary significantly in condensation thickness. Furthermore, there is no need for complex protection and you can utilize the usual protections. A comparison of the calculations obtained from MULASSIS and SHILEDOSE to deliver the dose into the silicon target indicates that the values are very similar and if there is a limitation in each of the capabilities of either MULASSIS and SHILEDOSE, another can be utilized as a substitute software.

Highlights

  • Effects of radiation damage on satellite parts and subsystems in the presence of various types of radiation in space.
  • Use of commercial parts in satellites, taking into account economic considerations.
  • Reducing the effects of radiation damage through radiation shielding.
  • Using SPENVIS, SHIELDOSE, and MULASSIS software for shielding design in LEO orbit mission.
  • Almost the same result simulation using all three software, SPENVIS, SHIELDOSE and MULASSIS

Keywords

Space radiation
Radiation damage
Commercial components
Shielding
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Radiation Physics and Engineering
Volume 5, Issue 4
Autumn 2024
Pages 21-26

  • Receive Date 12 July 2024
  • Revise Date 06 August 2024
  • Accept Date 20 August 2024

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