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首页> 外文期刊>Journal of Aerospace Sciences and Technologies >THERMAL ANALYSIS OF A MICRO-SATELLITE IN A LOW EARTH ORBIT
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THERMAL ANALYSIS OF A MICRO-SATELLITE IN A LOW EARTH ORBIT

机译:低地球轨道微卫星的热分析

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摘要

The thermal design of a micro-satellite is presented in the paper. The theoretical studies are carried out to describe briefly the relationship among various design orbital parameters and are depicted graphically. Solar heating on a micro-satellite is considered as a thin walled circular cylinder rotating with uniform speed about its geometric axis is analyzed for a situation in which heat transfer by convection and heat exchange within the cylinder is negligible. The nonlinear ordinary differential equations for the thin walled cylinder are solved using fourth order Runge-Kutta method to compute temperature distribution. The results of the analysis are presented at various revolution per minute RPM of the micro-satellite. Radiation heat transfer inside the package is analyzed with networking method.
机译:本文介绍了微卫星的热设计。进行理论研究以简要描述各种设计轨道参数之间的关系,并以图形方式描绘。微卫星上的太阳能加热被认为是一种薄壁圆柱体,它绕其几何轴以均匀的速度旋转,以分析其中圆柱体内通过对流和热交换进行的热传递可忽略不计的情况。利用四阶Runge-Kutta方法求解薄壁圆柱的非线性常微分方程,计算温度分布。分析结果以微卫星每分钟RPM的不同转速显示。利用网络方法分析了包装内部的辐射热传递。

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    R. C. Mehta;

  • 作者单位

    Department of Aeronautical Engineering Noorul Islam Centre for Higher Education Kumaracoil-629180 India;

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