Performance evaluation of plate heat exchangers with chevron-type corrugation pattern for the superfluid helium cryogenic system

IF 6.4 2区工程技术 Q1 THERMODYNAMICS

Case Studies in Thermal Engineering Pub Date : 2025-05-17 DOI:10.1016/j.csite.2025.106359

Liming Zhu , Dajun Fan , Peng Zhang , Jun Wen , Yongping Hu , Xianjin Wang , Yugang Zhao , Yuxuan Wang , Junhui Zhang , Xiaofei Niu

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Abstract

The 2 K heat exchanger is a critical component of the superfluid helium cryogenic system. In this paper, to further reduce the volume and manufacturing cost, a plate heat exchanger (PHE) with herringbone corrugation was innovatively used as a 2 K heat exchanger. The CFD numerical method was used to simulate the single flow channel of the PHE with chevron-type corrugation pattern. It got correlations of Colburn factor j, Fanning friction factor f with Reynolds number in the core part and empirical correlations of pressure drop in the fluid distribution parts. A PHE prototype was designed based on the distributed parameter differential method and correlations. Meanwhile, the 2 K cryogenic test was carried out on the PHE prototype using supercritical helium and liquid helium respectively. The results show that the calculated values are in good agreement with experimental ones. The PHE design method is simple and accurate based on distributed parameter method and CFD in this study. And brazed PHEs can be used in the liquid helium temperature range.

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超流氦低温系统中波纹型板式换热器的性能评价

2k热交换器是超流氦低温系统的重要组成部分。为了进一步减小体积和降低制造成本，本文创新性地采用人字形波纹板换热器作为2 K换热器。采用CFD数值模拟方法，对具有波纹型波纹纹的板式换热器的单流道进行了数值模拟。得到了核心部分Colburn因子j、Fanning摩擦因子f与雷诺数的相关关系，以及流体分布部分压降的经验相关关系。基于分布参数微分法和相关性，设计了PHE原型。同时，分别用超临界氦和液氦对PHE原型机进行了2 K低温试验。结果表明，计算值与实验值吻合较好。本研究基于分布参数法和CFD的PHE设计方法简单、准确。并且钎焊后的PHEs可以在液氦温度范围内使用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Case Studies in Thermal Engineering Chemical Engineering-Fluid Flow and Transfer Processes

CiteScore

8.60

自引率

11.80%

发文量

812

审稿时长

76 days

期刊介绍： Case Studies in Thermal Engineering provides a forum for the rapid publication of short, structured Case Studies in Thermal Engineering and related Short Communications. It provides an essential compendium of case studies for researchers and practitioners in the field of thermal engineering and others who are interested in aspects of thermal engineering cases that could affect other engineering processes. The journal not only publishes new and novel case studies, but also provides a forum for the publication of high quality descriptions of classic thermal engineering problems. The scope of the journal includes case studies of thermal engineering problems in components, devices and systems using existing experimental and numerical techniques in the areas of mechanical, aerospace, chemical, medical, thermal management for electronics, heat exchangers, regeneration, solar thermal energy, thermal storage, building energy conservation, and power generation. Case studies of thermal problems in other areas will also be considered.