关键词: 换热器, 温度变化关系式, 修正, 耐辐射电机 聚酰亚胺 绝缘纸 润滑脂

Abstract: Based on calculated logarithmic mean temperature in no phase change parallel flow type heat exchanger and counter flow type heat exchanger, the temperature change correlations of the flow and tube wall in no phase change parallel heat exchanger are calculated. The design parameters, the physical property data and the process parameters data are concentrated into one equation by those correlations. And the internal relations between these data are responded with these relative formula. Since several assumptions are supposed during the deduction of the correlation, the correlations are analyzed and the amending and modifying methods of them are discussed to be used in practical applications.

Key words: Amend, Heat exchanger, Temperature change correlations