用金属泡沫填充锥形储热罐的热特性：通过响应面分析进行优化

IF 4.9 2区工程技术 Q1 ENGINEERING, MECHANICAL

International Journal of Thermal Sciences Pub Date : 2024-10-08 DOI:10.1016/j.ijthermalsci.2024.109450

Yuanji Li , Xinyu Huang , Tao Lai , Youruo Wu , Xiaohu Yang , Bengt Sundén

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引用次数: 0

摘要

蓄热箱的蓄热效率是优化太阳能利用的一个难题。因此，提高蓄热箱的效率已成为研究重点。本研究将优化自然对流的锥形储热罐设计与增强热传导的金属泡沫添加相结合。然而，两种优化方法之间存在一些相互制约的因素。因此，本研究采用了单因素分析耦合响应面优化法对填充金属泡沫的锥形储热罐进行优化。首先，通过单因素分析讨论了各因素的影响和优化区间。然后，通过响应面法分析了三个因素的综合影响。最后，对优化模型的蓄热特性、自然对流特性、熔化率和温度均匀性进行了评估。结果表明，优化后的蓄热箱与三种对比蓄热箱相比，具有更强的自然对流强度和更强的熔化蓄热性能。

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Thermal characteristics of conical heat storage tank filled by metal foam: Optimization by response surface analysis

The heat storage efficiency of heat storage tank is a challenge to optimize the utilization of solar energy. Therefore, improving the efficiency of heat storage tank has become the main research focus. In this study, the conical tank design optimized for natural convection and the metal foam addition enhanced for thermal conduction are combined. However, there are some mutual constraints between two optimization methods. Therefore, the single factor analysis coupled response surface optimization method was used in this study to optimize the conical heat storage tank filled with metal foam. Firstly, the influence and optimization interval of each factor are discussed through single factor analysis. Then, the comprehensive influence of three factors is analyzed by response surface method. Finally, the heat storage characteristics, natural convection characteristics, melting fraction and temperature uniformity of the optimized model were evaluated. The results show that the optimized heat storage tank has stronger natural convection intensity and stronger melting heat storage performance than three comparative heat storage tanks.

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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.