Uniformity principle of temperature difference field in heat transfer optimization

doi:10.1088/1674-1056/28/6/064402

中国物理B ›› 2019, Vol. 28 ›› Issue (6): 64402-064402.doi: 10.1088/1674-1056/28/6/064402

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

Uniformity principle of temperature difference field in heat transfer optimization

Xue-Tao Cheng(程雪涛), Xin-Gang Liang(梁新刚)

1 Department of Science and Technology of Anhui Province, Hefei 230091, China;
2 Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China

收稿日期:2019-01-22 修回日期:2019-03-25 出版日期:2019-06-05 发布日期:2019-06-05
通讯作者: Xin-Gang Liang E-mail:liangxg@mail.tsinghua.edu.cn
基金资助:
Project supported by the Science Fund for Creative Research Groups of National Natural Science Foundation of China (Grant No. 51621062).

Uniformity principle of temperature difference field in heat transfer optimization

Xue-Tao Cheng(程雪涛)¹, Xin-Gang Liang(梁新刚)²

1 Department of Science and Technology of Anhui Province, Hefei 230091, China;
2 Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China

Received:2019-01-22 Revised:2019-03-25 Online:2019-06-05 Published:2019-06-05
Contact: Xin-Gang Liang E-mail:liangxg@mail.tsinghua.edu.cn
Supported by:
Project supported by the Science Fund for Creative Research Groups of National Natural Science Foundation of China (Grant No. 51621062).

摘要/Abstract

摘要：

The uniformity principle of temperature difference field is very useful in heat exchanger analyses and optimizations. In this paper, we analyze some other heat transfer optimization problems in the thermal management system of spacecrafts, including the cooling of thermal components, the one-stream series-wound heat exchanger network, the volume-to-point heat conduction problem, and the radiative heat transfer optimization problem, and have found that the uniformity principle of temperature difference field also holds. When the design objectives under the given constraints are achieved, the distributions of the temperature difference fields are uniform. The principle reflects the characteristic of the distribution of potential in the heat transfer optimization problems. It is also shown that the principle is consistent with the entransy theory. Therefore, although the principle is intuitive and phenomenological, the entransy theory can be the physical basis of the principle.

关键词: heat transfer optimization, uniformity principle of temperature difference field, equipartition of potential, entransy theory

Abstract:

Key words: heat transfer optimization, uniformity principle of temperature difference field, equipartition of potential, entransy theory

中图分类号: (Analytical and numerical techniques)

44.05.+e

44.90.+c (Other topics in heat transfer) 05.70.-a (Thermodynamics)

程雪涛, 梁新刚. Uniformity principle of temperature difference field in heat transfer optimization[J]. 中国物理B, 2019, 28(6): 64402-064402.

Xue-Tao Cheng(程雪涛), Xin-Gang Liang(梁新刚). Uniformity principle of temperature difference field in heat transfer optimization[J]. Chin. Phys. B, 2019, 28(6): 64402-064402.

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Uniformity principle of temperature difference field in heat transfer optimization

Uniformity principle of temperature difference field in heat transfer optimization

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