Study on Thermo-Hydraulic Performance and Correlation Development of The Interrupted Flying-Wing Fins

IF 2.8 4区工程技术 Q2 ENGINEERING, MECHANICAL

Journal of Heat Transfer-transactions of The Asme Pub Date : 2023-11-02 DOI:10.1115/1.4063964

Xin Qi, Ling Wang, Teng Qing, Peng Yang, ying-wen Liu

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Abstract

Abstract This paper focuses on investigating and analyzing the effects of geometric parameters on the performance of interrupted flying-wing fins (IFWF). The incorporation of interruptions in the flying-wing fins (FWF) effectively enhances heat transfer efficiency, and increases flow resistance. Moreover, when the number of interruptions exceeds 3, the comprehensive performance of the heat exchanger is diminished. Numerical simulations are employed to thoroughly investigate the effects of geometric parameters individually, within the Reynolds number range of 600-1600, and correlations for the j and f-factor of the interrupted flying-wing fins (IFWF) are proposed using the responses surface method. The parametric study of the contribution ratio on the j-factor, f-factor, and JF-factor is obtained by the Taguchi method, including 18 cases with different combinations of key parameters. At a Reynolds number of 1000, it becomes evident that parameter A exerts the most substantial influence on the j-factor, f-factor, and JF-factor. Consequently, in the design of IFWF, prioritizing amplitude A is imperative.

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断续式飞翼翅片热液性能研究及相关发展

摘要本文主要研究和分析了几何参数对间断飞翼翼性能的影响。在飞翼翼(FWF)中加入中断有效地提高了传热效率，并增加了流动阻力。而且，当中断次数超过3次时，换热器的综合性能下降。在600 ~ 1600雷诺数范围内，采用数值模拟方法深入研究了各几何参数的影响，并利用响应面法提出了中断飞翼(IFWF) j因子和f因子的相关性。采用田口法得到了18个关键参数不同组合情况下j因子、f因子、jf因子贡献率的参数化研究。在雷诺数为1000时，参数a对j因子、f因子和jf因子的影响最为显著。因此，在IFWF的设计中，优先考虑振幅A是必要的。

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

Journal of Heat Transfer-transactions of The Asme 工程技术-工程：机械

自引率

0.00%

发文量

182

审稿时长

4.7 months

期刊介绍： Topical areas including, but not limited to: Biological heat and mass transfer; Combustion and reactive flows; Conduction; Electronic and photonic cooling; Evaporation, boiling, and condensation; Experimental techniques; Forced convection; Heat exchanger fundamentals; Heat transfer enhancement; Combined heat and mass transfer; Heat transfer in manufacturing; Jets, wakes, and impingement cooling; Melting and solidification; Microscale and nanoscale heat and mass transfer; Natural and mixed convection; Porous media; Radiative heat transfer; Thermal systems; Two-phase flow and heat transfer. Such topical areas may be seen in: Aerospace; The environment; Gas turbines; Biotechnology; Electronic and photonic processes and equipment; Energy systems, Fire and combustion, heat pipes, manufacturing and materials processing, low temperature and arctic region heat transfer; Refrigeration and air conditioning; Homeland security systems; Multi-phase processes; Microscale and nanoscale devices and processes.