流体机械

2003, (05) 61-64+57

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液氮发动机主换热器的防霜技术研究
Development of Frost Free Heat Exchanger for Liquid Nitrogen Engine

舒水明,凌贺飞,桑兰芬
Shu Shuiming Ling Hefei Sang Lanfen

摘要(Abstract):

介绍了一种液氮发动机主换热器的防霜技术 ,建立了防霜换热器的数学模型。运用该模型 ,模拟了一种液氮发动机主换热器的动态温度分布。结果表明 ,该方法能有效防止主换热器结霜
The basic designing principle and simulating method of the frost free heat exchanger for liquid nitrogen engine are introduced and the new mathematical model of the heat exchanger is presented. According to the model, the temperature distribution of the frost free heat exchange is simulated. The results show that the principle and method used is practical.

关键词(KeyWords): 无霜换热器;发动机;低温;数学模型;模拟
frost free heat exchanger; engine; low temperature; mathematic model;simulation

Abstract:

Keywords:

基金项目(Foundation): 湖北省自然科学基金资助项目

作者(Author): 舒水明,凌贺飞,桑兰芬
Shu Shuiming Ling Hefei Sang Lanfen

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