大型空间环模器热沉热设计研究

摘要

分析了大型空间环模器热沉壁面温度分布的主要影响因素，利用热沉管网动态仿真软件(HSDS)研究了不同热沉片结构对支管流量分配的影响，针对我国某大型空间环模器热沉在热设计方面存在的主要问题提出了简单可行的改进方案.最后，给出了借助所开发的HSDS仿真软件进行热沉热设计的一般步骤.%The main factors influencing heat sink wall temperature distribution of large space simulators are analyzed. Fin-tube flow rate allocation of heat sinks with different structures are studied with heat sink dynamic simulation software HSDS. Simple and feasible improvements as for thermal design are made to promote the performance of the heat sinks in a large space simulator. Finally, the typical procedure to perform quantitative thermal design of heat sink with HSDS is provided.