紧凑型热交换器概念设计的通用方法

Petter Miltén, Isak Jonsson, Anders Lundbladh, C. Xisto
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引用次数: 0

摘要

本文介绍了一种用于通用热交换器设计和评估的新方法,使设计过程摆脱了预定义几何形状的束缚。该方法旨在促进早期阶段的概念探索,使设计者能够做出明智的决定。论文探讨了传热和流体摩擦原理,以设定拉黑提出的估算空气热性能的关键参数。本文反对采用单一指标,提出了一种用于评估集成通用热交换器的定制成本函数。案例研究将该方法应用于特定的飞机发动机方案,使用成本函数评估基于压力损失和传热表面重量的中间冷却器设计。考虑到鳍片面积、紧凑性和流量分布等因素,该研究确定了适合进一步开发的热交换器系列。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Generalized Method for the Conceptual Design of Compact Heat Exchangers
The paper introduces a novel method for generalized heat exchanger design and evaluation, freeing the process from predefined geometries. It aims to facilitate early-stage conceptual exploration, allowing the designer to make informed decisions. The paper explores heat transfer and fluid friction principles in order to set key parameters for estimating aerothermal performance, introduced by LaHaye. Arguing against a single metric, the paper proposes a custom cost function for evaluating the integrated generalized heat exchanger. A case study applies the method to a particular aircraft engine scenario, using cost functions to evaluate intercooler designs based on pressure loss and heat transfer surface weight. The study determines suitable heat exchanger families for further development, considering factors like finned area, compactness and flow distribution.
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