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基于地面实验的蒙皮换热器高空换热性能分析

, PP. 474-477

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Abstract:

面向未来我国大功率机载电子设备冷却需求,需要发展新型机载冷却方式,减少对传统环控制冷系统的依赖,为此研究了一种气/气蒙皮换热器用于电子设备热管理.该蒙皮换热器是一种无能耗被动换热方式,在不增加飞机代偿损失的情况下实现大功率电子设备热管理.为了考核所设计的蒙皮换热器机载飞机环境换热性能,设计加工了实验样件,在地面开展了换热性能实验研究工作,获得热边流动传热准则和对流换热系数.在此基础上推演出高空巡航状态下的蒙皮换热器换热性能,获得传热最不利安装位置和改进位置时的传热性能.研究工作预期为未来我国基于蒙皮换热器的飞机综合热管理提供设计及机载应用技术支持.

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