MO-WOA-GRA-TOPSIS集成框架用于航空航天波纹冷却系统中超临界正癸烷的热流体动力学优化

IF 5 2区工程技术 Q1 ENGINEERING, MECHANICAL

International Journal of Thermal Sciences Pub Date : 2025-05-20 DOI:10.1016/j.ijthermalsci.2025.110002

Zhijie Chen , Huaizhi Han , Da He , Jiali Yang , Xuanyang Zou

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引用次数: 0

摘要

本研究提出了一种新的MO-WOA-GRA-TOPSIS集成框架，用于航空航天波纹冷却系统中超临界正癸烷的多目标热流体动力学优化。系统分析了五个关键设计参数（波纹节距、高度、圆角半径、压力和质量流量），以平衡传热效率、流动阻力和热稳定性。建立了努塞尔数（Nu）、摩擦系数(f)和平均温度波动系数（ΔC）的二次响应面模型。灰色关联分析发现，无量纲波纹高度（R/D）是影响Nu（26.73%）和f（24.62%）的主要因素，而质量流量（qm）主要影响ΔC（21.88%）。该框架在收敛速度和Pareto锋均匀性方面优于传统NSGA-II。帕雷托最优解决方案实现了46.2%的Nu增强和19.7%的f降低，同时将ΔC控制在0.5以内，展示了下一代航空发动机冷却系统的卓越热管理。

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MO-WOA-GRA-TOPSIS integrated framework for thermo-hydrodynamic optimization of supercritical n-decane in aerospace corrugated cooling systems

This study proposes a novel MO-WOA-GRA-TOPSIS integrated framework for multi-objective thermo-hydrodynamic optimization of supercritical n-decane in aerospace corrugated cooling systems. Five critical design parameters (corrugation pitch, height, fillet radius, pressure, and mass flow rate) were systematically analyzed to balance heat transfer efficiency, flow resistance, and thermal stability. Quadratic response surface models were developed for Nusselt number (Nu), friction factor (f), and average temperature fluctuation coefficient (ΔC). Grey relational analysis identified dimensionless corrugation height (R/D) as the dominant factor for Nu (26.73 %) and f (24.62 %), while mass flow rate (q_m) primarily influenced ΔC (21.88 %). The proposed framework outperformed conventional NSGA-II in convergence speed and Pareto front uniformity. Pareto-optimal solutions achieved 46.2 % Nu enhancement and 19.7 % f reduction while maintaining ΔC within 0.5, demonstrating superior thermal management for next-generation aero-engine cooling systems.

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来源期刊

International Journal of Thermal Sciences 工程技术-工程：机械

CiteScore

8.10

自引率

11.10%

发文量

531

审稿时长

55 days

期刊介绍： The International Journal of Thermal Sciences is a journal devoted to the publication of fundamental studies on the physics of transfer processes in general, with an emphasis on thermal aspects and also applied research on various processes, energy systems and the environment. Articles are published in English and French, and are subject to peer review. The fundamental subjects considered within the scope of the journal are: * Heat and relevant mass transfer at all scales (nano, micro and macro) and in all types of material (heterogeneous, composites, biological,...) and fluid flow * Forced, natural or mixed convection in reactive or non-reactive media * Single or multi–phase fluid flow with or without phase change * Near–and far–field radiative heat transfer * Combined modes of heat transfer in complex systems (for example, plasmas, biological, geological,...) * Multiscale modelling The applied research topics include: * Heat exchangers, heat pipes, cooling processes * Transport phenomena taking place in industrial processes (chemical, food and agricultural, metallurgical, space and aeronautical, automobile industries) * Nano–and micro–technology for energy, space, biosystems and devices * Heat transport analysis in advanced systems * Impact of energy–related processes on environment, and emerging energy systems The study of thermophysical properties of materials and fluids, thermal measurement techniques, inverse methods, and the developments of experimental methods are within the scope of the International Journal of Thermal Sciences which also covers the modelling, and numerical methods applied to thermal transfer.