Research progress on heat transfer enhancement and surface drag reduction techniques based on bionics

被引：0
作者：
Li J. [1 ]
Zhu Z. [1 ]
Zhai H. [1 ]
Wang J. [1 ]
机构：
[1] College of Mechanical and Electronic Engineering, Nanjing Forestry University, Nanjing
来源：
Huagong Jinzhan/Chemical Industry and Engineering Progress | 2021年 / 40卷 / 05期
关键词：
Bionic; Drag reduction; Heat transfer; Microchannels; Optimal design;
D O I：
10.16085/j.issn.1000-6613.2020-1140
中图分类号：
学科分类号：
摘要：
The structure optimization of heat exchanger is of great significance for improving the equipment efficiency and alleviating the problem of energy shortage and waste heat in chemical machinery, electric power engineering, aerospace engineering and other industrial fields. In recent years, based on the surface morphology of organisms and their functions, the application of bionics theory to develop heat transfer enhancement and drag reduction techniques has been outstanding. In this paper, the research progresses on strengthening single-phase, phase change heat transfer and groove, dimple, convex, superhydrophobic surface drag reduction technologies with bionic structure as the reference for optimal design were mainly summarized. Heat transfer enhancement and flow drag reduction mechanisms of various biomimetic structures were analyzed and concluded. Combined with the development trend of efficient heat transfer at micro-scale, it was pointed out that the research on biomimetic structures at micro-scale was still in the stage of simplified shape imitation. The direction of structural optimization was not clear. The influence of structural parameters and the heat transfer enhancement and flow drag reduction mechanisms have not been agreed. Based on the micro-scale convective heat transfer with high resistance, the necessity of coupling bionic structure design for high efficient and drag-reducing and comprehensive performance researches were proposed, which provides beneficial guidance and development direction for the optimization design of microchannel. © 2021, Chemical Industry Press Co., Ltd. All right reserved.
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页码：2375 / 2388
页数：13
相关论文
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