Optimization of structural parameters of airfoil-fin printed circuit heat exchanger for power and thermal management system of hypersonic vehicles

IF 5.1 3区工程技术 Q2 ENERGY & FUELS

Thermal Science and Engineering Progress Pub Date : 2024-09-01 DOI:10.1016/j.tsep.2024.102877

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Abstract

A supercritical carbon dioxide (sCO₂) to aviation kerosene fuel heat exchanger is an important part of the power and thermal management system (PTMS) of hypersonic vehicles. This study developed a numerical model for a sCO₂-fuel airfoil-fin printed circuit heat exchanger (AF-PCHE) used in the PTMS. Moreover, four parameters were optimized with the comprehensive performance coefficient (JF) as an optimization objective, including airfoil horizontal spacing (L_h), airfoil vertical spacing (L_v), the height of cold-side channel (H_c,rp3), and the height of hot-side channel (H_c,CO2). The results indicated that the most significant parameter affecting the JF was the H_c,CO2, followed by the H_c,rp3. The optimized structural parameters were L_h = 12.6 mm, L_v = 5.26 mm, H_c,rp3 = 1.05 mm, and H_c,CO2 = 1.36 mm. The significance order of the single-factor effects of the JF was H_c,CO2 > L_v > H_c,rp3 > L_h. The JF of the optimized design was increased by 24 % compared to the original design of the AF-PCHE.

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用于高超音速飞行器动力和热管理系统的翼翅印刷电路热交换器的结构参数优化

超临界二氧化碳（sCO2）-航空煤油燃料热交换器是高超音速飞行器动力和热管理系统（PTMS）的重要组成部分。本研究为高超音速飞行器动力和热管理系统（PTMS）中使用的 sCO2-燃料翼翅印刷电路热交换器（AF-PCHE）开发了一个数值模型。此外，以综合性能系数（JF）为优化目标，对四个参数进行了优化，包括翼面水平间距（Lh）、翼面垂直间距（Lv）、冷侧通道高度（Hc,rp3）和热侧通道高度（Hc,CO2）。结果表明，对 JF 影响最大的参数是 Hc,CO2，其次是 Hc,rp3。优化后的结构参数为：Lh = 12.6 mm，Lv = 5.26 mm，Hc,rp3 = 1.05 mm，Hc,CO2 = 1.36 mm。JF 单因素效应的显著性顺序为 Hc,CO2 > Lv > Hc,rp3 > Lh。与 AF-PCHE 的原始设计相比，优化设计的 JF 增加了 24%。

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来源期刊

Thermal Science and Engineering Progress Chemical Engineering-Fluid Flow and Transfer Processes

CiteScore

7.20

自引率

10.40%

发文量

327

审稿时长

41 days

期刊介绍： Thermal Science and Engineering Progress (TSEP) publishes original, high-quality research articles that span activities ranging from fundamental scientific research and discussion of the more controversial thermodynamic theories, to developments in thermal engineering that are in many instances examples of the way scientists and engineers are addressing the challenges facing a growing population – smart cities and global warming – maximising thermodynamic efficiencies and minimising all heat losses. It is intended that these will be of current relevance and interest to industry, academia and other practitioners. It is evident that many specialised journals in thermal and, to some extent, in fluid disciplines tend to focus on topics that can be classified as fundamental in nature, or are ‘applied’ and near-market. Thermal Science and Engineering Progress will bridge the gap between these two areas, allowing authors to make an easy choice, should they or a journal editor feel that their papers are ‘out of scope’ when considering other journals. The range of topics covered by Thermal Science and Engineering Progress addresses the rapid rate of development being made in thermal transfer processes as they affect traditional fields, and important growth in the topical research areas of aerospace, thermal biological and medical systems, electronics and nano-technologies, renewable energy systems, food production (including agriculture), and the need to minimise man-made thermal impacts on climate change. Review articles on appropriate topics for TSEP are encouraged, although until TSEP is fully established, these will be limited in number. Before submitting such articles, please contact one of the Editors, or a member of the Editorial Advisory Board with an outline of your proposal and your expertise in the area of your review.