卫星用两种单相流体回路方案对比研究

单相流体回路系统是航天器主动热控技术中的一种重要方式。文章概述了流体回路的工作原理及理论基础，总结了单相流体回路的设计思路，结合某卫星型号，设计了两种流体回路方案，在SINDA／FLUINT中建立数值仿真模型进行分析计算，并比较了两种方案的应用性能。结果显示，将单相流体回路系统应用于卫星，可取得较好的控温效果。

Comparison between Two Schemes of Single-phase Fluid Loop System for Satellite

Single-phase fluid loop system is one of the most important method for active thermal control technique on spacecraft. The fundamental and process of designing single-phase fluid loop are summarized. Two schemes of fluid loop for satellite are designed, and their performances are evaluated and compared through numerical simulation in SINDA/FLUINT. It proves that using fluid loop system for satellite thermal control is effective.