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Data reduction for air-side performance of fin-and-tube heat exchangers

机译:翅片管热交换器空气侧性能数据减少

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摘要

The present study focuses on the data reduction method to obtain the air-side performance of fin-and-tube heat exchangers. The data reduction methodology for air-side heat transfer coefficients in the literature is not based on a consistent approach. This paper recommends standard procedures for dry surface heat transfer in finned-tube heat exchangers having water on the tube-side. Inconsistencies addressed include the epsilon-NTU relationships, calculation of the tube-side heat transfer coefficient, calculation of lin efficiency, and whether entrance and exit loss should be included in the reduction of friction factors. Use of the recommended standardized methodology will provide more meaningful data for use in the development of correlations, or for performance comparison purposes. (C) 2000 Elsevier Science inc. All rights reserved. [References: 23]
机译:本研究集中在数据简化方法上,以获取翅片管式热交换器的空气侧性能。文献中有关空气侧传热系数的数据缩减方法并不是基于一致的方法。本文建议在管侧装有水的翅片管换热器中进行干表面传热的标准程序。解决的不一致性包括ε-NTU关系,管侧传热系数的计算,线性效率的计算以及在摩擦系数的减小中是否应包括入口和出口损失。使用推荐的标准化方法将提供更多有意义的数据,以用于相关性开发或性能比较目的。 (C)2000爱思唯尔科学公司版权所有。 [参考:23]

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