z型碳化硅印刷电路板换热器的设计与制造

IF 4.4 3区工程技术 Q2 CHEMISTRY, PHYSICAL

Journal of Supercritical Fluids Pub Date : 2025-06-30 DOI:10.1016/j.supflu.2025.106709

Tao Zhu , Ming Xiang , Lihua Zhang , Shuanglong Zhang , Zhaoting Sun , Jinlong Zhang , Huadong Xing , Dedong Hu

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引用次数: 0

摘要

为解决超临界二氧化碳（scCO2）发电系统中印刷电路板换热器（PCHE）的腐蚀问题，以沟道弯曲角、沟道直径、沟道厚度和沟道间距为影响因素，以范宁摩擦系数f和努selt数Nu为响应值，采用响应面法（RSM）对z形碳化硅（SiC）印刷电路板换热器（PCHE）的结构参数进行了模拟和优化。结果表明：沟道弯曲角度为24.0°、沟道直径为2.0 mm、沟道厚度为4.0 mm、沟道间距为0.5 mm为z形SiC PCHE的最佳参数，可成功制备出承受30 MPa压力的z形SiC PCHE。该研究提高了pch在scCO 2发电系统中的运行安全性。

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Design and manufacturing of Z-shaped silicon carbide printed circuit board heat exchanger

To solve the corrosion problems faced by printed circuit board heat exchanger (PCHE) in supercritical carbon dioxide (scCO₂) power generation system, the structural parameters of Z-shaped Silicon carbide (SiC) PCHE were simulated and optimized in this study by response surface methodology (RSM) with the channel bending angle, channel diameter, channel thickness, and channel spacing as influencing factors, and the Fanning friction factor f and Nusselt number Nu as response values. The results show that the optimal parameters for Z-shaped SiC PCHE are channel bending angle of 24.0°, channel diameter of 2.0 mm, channel thickness of 4.0 mm, and channel spacing of 0.5 mm, and a Z-shaped SiC PCHE capable of withstanding up to 30 MPa has been successfully developed. This study enhances the operational safety of PCHEs in scCO₂ power generation system.

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来源期刊

Journal of Supercritical Fluids 工程技术-工程：化工

CiteScore

7.60

自引率

10.30%

发文量

236

审稿时长

56 days

期刊介绍： The Journal of Supercritical Fluids is an international journal devoted to the fundamental and applied aspects of supercritical fluids and processes. Its aim is to provide a focused platform for academic and industrial researchers to report their findings and to have ready access to the advances in this rapidly growing field. Its coverage is multidisciplinary and includes both basic and applied topics. Thermodynamics and phase equilibria, reaction kinetics and rate processes, thermal and transport properties, and all topics related to processing such as separations (extraction, fractionation, purification, chromatography) nucleation and impregnation are within the scope. Accounts of specific engineering applications such as those encountered in food, fuel, natural products, minerals, pharmaceuticals and polymer industries are included. Topics related to high pressure equipment design, analytical techniques, sensors, and process control methodologies are also within the scope of the journal.