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Alternative Sizing Methodology for Compact Heat Exchangers of the Spiral Type

机译:螺旋型紧凑型换热器的替代选型方法

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摘要

A rapid sizing methodology for compact heat exchangers of the spiral plate type is presented. The methodology allows for the determination of the exchanger geometry such that full pressure drop utilization is achieved on both streams. This is done by considering plate width and plate spacing as continuous variables. The resulting values are the basis for selecting the final exchanger dimensions according to standard dimensions. The design approach makes use of empirical correlations for the calculation of heat transfer coefficient and friction factor based on average curvature. The approach is demonstrated using two case studies.
机译:提出了一种用于螺旋板式紧凑型热交换器的快速定径方法。该方法允许确定交换器的几何形状,从而在两条流上都实现了全压降利用率。通过将板宽度和板间距视为连续变量来完成此操作。所得值是根据标准尺寸选择最终交换器尺寸的基础。该设计方法利用经验相关性基于平均曲率计算传热系数和摩擦系数。通过两个案例研究证明了该方法。

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