多孔介质中流动换热特性的研究进展

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基金项目:

国家自然科学基金(No.50476049)的资助

Research Progress on Flow and Heat Transfer in Porous Media

National Key Laboratory of Bubble Physics & Natural Circulation, Nuclear Power Institute of China, Chengdu, 610041, China

摘要: 多孔介质中的流动与传热涉及许多工程应用,已经成为当前工程热物理学科最为活跃的前沿研究领域之一。本文综述了国内外在多孔介质流动与传热研究领域的现状,总结了多孔介质中流型转变的判别标准、阻力预测模型、多孔结构强化传热机理以及考虑固定相与流动相存在热交换时的局部非热平衡理论,提出了以我国反应堆热工水力为工程背景的多孔介质流动换热基础研究新方向。
- 多孔介质 /
- 流动 /
- 传热
Abstract: Flow and heat transfer in porous,which is one of the most interested issues in the engineering thermo-physics,is frequently encountered in many fields of science and engineering.In this paper,research progress on the criterion for different flow regimes,correlation for the prediction of flow press drop,heat transfer enhancement and the thermal equilibrium assumption between solid matrix and fluid in porous media with internal heat source is reviewed.Based on the characteristics of flow and heat transfer in porous media,the potential applications in thermal hydraulic of nuclear reactor in China are suggested.
- Porous media /
- Flow /
- Heat transfer