Volume 27 Issue 3
May  2007
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Article Contents
LI Yunze, NING Xianwen, WANG Xiaoming, SHI Xiaobo, ZHUANG Damin, WANG Jun. Analysis and Modeling for the in-Orbit Dynamics of Nano-Satellite's Thermal System[J]. Journal of Space Science, 2007, 27(3): 233-238. doi: 10.11728/cjss2007.03.233
Citation: LI Yunze, NING Xianwen, WANG Xiaoming, SHI Xiaobo, ZHUANG Damin, WANG Jun. Analysis and Modeling for the in-Orbit Dynamics of Nano-Satellite's Thermal System[J]. Journal of Space Science, 2007, 27(3): 233-238. doi: 10.11728/cjss2007.03.233

Analysis and Modeling for the in-Orbit Dynamics of Nano-Satellite's Thermal System

doi: 10.11728/cjss2007.03.233
  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2007-05-15
  • Nano-satellite's thermal system is fundamental for its passive thermal control. The analysis and modeling of its in-orbit dynamical performance are necessary for nano-satellite's thermal control scheme design and evaluation. A three-dimension nonlinear dynamical model of satellite's temperature change was built up by dividing the typical passive thermal control system of nano- satellite into three representative functional node, the in-orbit temperature changes of satellite surface and indoor environment can be calculated conveniently from this model. A set of equations for the in-orbit calculations of nano-satellite's external space heat flow and flight position were also introduced. These equations are based on nano-satellite's body-reference frame and share same solving algorithm with the three-dimension nonlinear dynamical model. These provide a new transient analytical model and simplified in-orbit calculating method for the developing of advanced nano-satellite thermal control and thermal management technologies. The in-orbit dynamical performance of a sunsynchronous orbit nano-satellite thermal system had been calculated as an example. The results and its discussion were described at end of this article.

     

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