Volume 35 Issue 5
Sep.  2015
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LIU Shi, ZHANG Guoyu, SUN Gaofei, WANG Lingyun, GAO Yujuni. Design Of Optical And Mechanical Structure For Lunar Simulator Based On Variable Shape And Adjustable Radiance[J]. Journal of Space Science, 2015, 35(5): 647-652. doi: 10.11728/cjss2015.05.647
Citation: LIU Shi, ZHANG Guoyu, SUN Gaofei, WANG Lingyun, GAO Yujuni. Design Of Optical And Mechanical Structure For Lunar Simulator Based On Variable Shape And Adjustable Radiance[J]. Journal of Space Science, 2015, 35(5): 647-652. doi: 10.11728/cjss2015.05.647

Design Of Optical And Mechanical Structure For Lunar Simulator Based On Variable Shape And Adjustable Radiance

doi: 10.11728/cjss2015.05.647
Funds:  Supported by National Public Welfare Industry (GYHY200706003, GYHY201006043).
More Information
  • Corresponding author: LIU Shi,E-mail:2811792642@qq.com
  • Received Date: 2015-02-03
  • Rev Recd Date: 2015-03-03
  • Publish Date: 2015-09-15
  • To simulate the different lunar phases and ensure continuous adjustability of the radiant brightness, a new broad spectrum light and frosted glass were applied and designed in the optical system for lunar simulator with the shapes and radiance being able to be adjusted. According to the engineering demand and index requirements of the optical system, three major design aspects are addressed, including the high reliability and maintainability for broad-spectrum light, heat dissipation in lunar simulator for long working hours, and bearing of the main frame under different working conditions. By designing a reasonable machine structure, and through the structure itself with the matrix arrangement of 48 axial flow fans, an effectively cooling air duct is established. Deformation and temperature were calculated by the finite element software ANSYS. The results showed that the displacement deformation reached 0.33mm and stress deformation reached 0.02MPa at the temperature of 20℃; when the main frame was in the temperature field between 20℃ and 65℃, the maximum displacement deformation reached 13.30mm and maximum stress deformation is 97.90MPa, and the amount of this deformation is very small in considering of the mechanical structure dimensions and weight of the lunar simulator.

     

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