高温小型回热器传热和阻力性能研究Heat-transfer and resistance performance of miniature recuperator
包春凤,周帼彦,涂善东,罗豪鑫
摘要(Abstract)：
应用先整体后局部的建模方法,对高温小型回热器传热和阻力性能进行了数值模拟分析,进而基于修正等雷诺数法对回热器进行了传热性能测试,验证了该数值模拟方法的可行性与准确性,并拟合得到了其传热和阻力准则关系式。在此基础上,进一步探讨了微重力及几何结构参数对传热和阻力性能的影响。研究结果表明:微重力工况对回热器换热阻力性能影响可以忽略;回热器设计过程中需着重考虑高宽比和长径比的影响,而占空比影响较小。
关键词(KeyWords)： 回热器;传热性能;阻力性能;修正等雷诺数法;数值模拟
基金项目(Foundation): 中央高校基本科研业务费专项资金资助项目(WG121402)
作者(Author): 包春凤,周帼彦,涂善东,罗豪鑫
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