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首页> 外文期刊>International Journal of Heat Exchangers >Effects of corrugation angle on heat transfer and pressure drop in a cross-corrugated polymer film compact heat exchanger (PFCHE)
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Effects of corrugation angle on heat transfer and pressure drop in a cross-corrugated polymer film compact heat exchanger (PFCHE)

机译：波纹角对交叉波纹聚合物薄膜紧凑型热交换器（PFCHE）中的传热和压降的影响

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摘要

In this paper, the heat transfer and pressure drop characteristics of a cross-corrugated polymer film compact heat exchanger (PFCHE) having different corrugation angles is investigated. The effects of three corrugation angles (30°, 60° and 90°) have been studied using an air/air system with a Reynolds number range between 500-2500. The cross-corrugated heat exchanger was developed using thin (100 ?m) poly ether ether ketone (PEEK) films which have an excellent thermal, chemical and mechanical stability. Heat transfer and friction factor correlations along with an investigation of the pumping power characteristics are included. The motivation behind this study is to determine the optimum angle for the PFCHE, whereby the best overall thermal and hydraulic performance could be achieved. The results obtained are expected to contribute towards the development of spiral polymer film compact heat exchangers for gas/liquid applications where low pressure drop for the gas side is essential whilst maintaining high surface area densities. The Process Intensification and Innovation Centre (PHC) at University of Newcastle Upon Tyne has developed such type of heat exchangers for applications in chemical process industry, domestic heating, aviation and transport fuel cell technology.
机译：本文研究了具有不同波纹角的交叉波纹聚合物薄膜致密热交换器（PFCHE）的传热和压降特性。已经使用雷诺数范围在500-2500之间的空气/空气系统研究了三个波纹角（30°，60°和90°）的影响。交叉波纹热交换器是使用具有优异的热，化学和机械稳定性的薄（100μm）聚醚醚酮（PEEK）薄膜开发的。包括传热和摩擦系数的关系以及对泵浦功率特性的研究。这项研究的目的是确定PFCHE的最佳角度，从而可以实现最佳的整体热力和液压性能。预期获得的结果将有助于开发用于气/液应用的螺旋聚合物薄膜紧凑型热交换器，其中对于气体侧而言，低压降是必不可少的，同时又要保持较高的表面积密度。泰恩河畔纽卡斯尔大学的过程强化和创新中心（PHC）开发了这种类型的热交换器，用于化学过程工业，家用供暖，航空和运输燃料电池技术。

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