(火积)的宏观物理意义及其应用

赵甜; 陈群

doi:10.7498/aps.62.234401

摘要

提高传热过程的性能是解决能源问题的重要途径之一. 本文通过与力学中相关概念进行对比，分析了传热过程性能优化的新物理量——(火积)的宏观物理意义. 通过(火积)与物体对外传热能力、(火积)定义的传热过程效率以及(火积)与热量传递驱动力的关系三方面分析，发现(火积)具有的宏观物理意义是物体包含的热量在温度场中所具有的势能. 并且，通过对流换热的(火积)理论优化介绍了(火积)理论在工程实际中的应用.

关键词:

It is an important approach to solve energy problem by improving performance of heat transfer process. The macro physical meaning of new physical quantity for heat transfer process optimization “entransy” is analyzed by comparing it with interrelated concepts in mechanics. From three aspects: the connection of entransy and the external heat transfer ability, efficiency of heat transfer process defined by entransy, and the relation of heat transfer driving force with entransy, the macro physical meaning of entransy is derived, which is the potential energy of heat in the temperature field. Moreover, the application of entransy theory in engineering is introduced through entransy theory optimization in convective heat transfer.

Keywords:

作者及机构信息

赵甜,
陈群

1.
清华大学工程力学系, 热科学与动力工程教育部重点实验室, 北京 100084

基金项目: 国家自然科学基金（批准号：51006060）和全国优秀博士学位论文作者专项基金（批准号：201150）资助的课题.

Authors and contacts

Zhao Tian,
Chen Qun

1.
Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China

Funds: Project supported by the National Natural Science Foundation of China (Grant No. 51006060), the Foundation for the Author of National Excellent Doctoral Dissertation of China (FANEDD) (Grant No. 201150).

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[19]	Yuan F, Chen Q 2011 Energy 36 5476
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[32]	Chen Q, Xu Y C 2012 Int. J. Heat Mass Transf. 55 5148
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施引文献

[1]	Xiao L 2008 China-US Energy Cooperation Prospects and Strategies: Improve energy security and environmental protection (Beijing: World Knowledge Press) p16 (in Chinese) [肖炼 2008 中美能源合作前景及对策: 改善能源安全和环境保护 (北京: 世界知识出版社) 第16页]
[2]	Bergles A E 1988 J. Heat Transf.-Trans. ASME. 110 1082
[3]	Webb R L, Bergles A E 1983 Mech. Eng. 115 60
[4]	Webb R L 1994 Principles of Enhanced Heat Transfer (New York: John Wiley & Sons) pp12–30
[5]	Guo Z Y, Li Z X, Zhou S Q, Xiong D X 1996 Sci. China-Technol. Sci. 39 68
[6]	Zhou S Q 1995 Ph. D. Dissertation (Beijing: Tsinghua University) (in Chinese) [周森泉 1995 博士学位论文 (北京: 清华大学)]
[7]	Guo Z Y, Li D Y, Wang B X 1998 Int. J. Heat Mass Transf. 41 2221
[8]	Guo Z Y 2001 Chin. Sci Bull. 46 596
[9]	Bejan A 1979 J. Heat Transf. Trans. ASME. 101 718
[10]	Shah R K, Skiepko K 2004 J. Heat Transf. Trans. ASME. 126 994
[11]	Guo Z Y, Zhu H Y, Liang X G 2007 Int. J. Heat Mass Transf. 50 2545
[12]	Guo Z Y, Liang X G, Zhu H Y 2006 Prog. Nat. Sci. 16 1288 (in Chinese) [过增元, 梁新刚, 朱宏晔 2006 自然科学进展 16 1288]
[13]	Chen Q, Zhu H Y, Pan N, Guo Z Y 2011 Proc. R. Soc. A-Math. Phys. Eng. Sci. 467 1012
[14]	Li Q Y, Chen Q 2011 Chin. Sci. Bull. 56 2819 (in Chinese) [李秦宜, 陈群 2011 科学通报 56 2819]
[15]	Chen Q, Wang M R, Pan N, Guo Z Y 2009 Int. J. Nonlinear Sci. Numer. Simul. 10 57
[16]	Chen X G 2004 Ph. D. Dissertation (Beijing: Tsinghua University) (in Chinese) [程新广 2004 博士学位论文 (北京: 清华大学)]
[17]	Feng H J, Chen L G, Xie Z H, Sun F R 2013 Acta Phys. Sin. 62 134703 (in Chinese) [冯辉君, 陈林根, 谢志辉, 孙丰瑞 2013 物理学报 62 134703]
[18]	Chen L G, Feng H J, Xie Z H, Sun F R 2013 Acta Phys. Sin. 62 134401 (in Chinese) [陈林根, 冯辉君, 谢志辉, 孙丰瑞 2013 物理学报 62 134401]
[19]	Yuan F, Chen Q 2011 Energy 36 5476
[20]	Chen Q, Wang M R, Pan N, Guo Z Y 2009 Energy 34 1199
[21]	Chen Q, Ren J X 2008 Chin. Sci. Bull. 53 3753
[22]	Chen Q 2008 Ph. D. Dissertation (Beijing: Tsinghua University) (in Chinese) [陈群 2008 博士学位论文 (北京: 清华大学)]
[23]	Cheng X T, Zhang Q Z, Xu X H, Liang X G 2013 Chin. Phys. B 22 020503
[24]	Chen Q, Ren J X, Meng J A 2007 Int. J. Heat Mass Transf. 50 5334
[25]	Meng J A, Liang X G, Li Z X 2005 Int. J. Heat Mass Transf. 48 3331
[26]	Li X F, Guo J F, Xu M T, Cheng L 2011 Chin. Sci. Bull. 56 2174
[27]	Chen Q, Wu J, Wang M R, Pan N, Guo Z Y 2011 Chin. Sci. Bull. 56 79 (in Chinese) [陈群, 吴晶, 王沫然, 潘宁, 过增元 2011 科学通报 56 79]
[28]	Liu X B 2009 Ph. D. Dissertation (Beijing: Tsinghua University) (in Chinese) [柳雄斌 2009 博士学位论文 (北京: 清华大学)]
[29]	Liu X B, Guo Z Y 2009 Acta Phys. Sin. 58 4766 (in Chinese) [柳雄斌, 过增元 2009 物理学报 58 4766]
[30]	Xu Y C, Chen Q 2012 Energy Build. 48 50
[31]	Chen Q, Xu Y C 2012 Energy 37 571
[32]	Chen Q, Xu Y C 2012 Int. J. Heat Mass Transf. 55 5148
[33]	Liu X B, Wang M R, Meng J A, Guo Z Y 2010 Int. J. Nonlinear Sci. Numer. Simul. 11 113
[34]	Fourier J 1955 The Analytical Theory of Heat (New York: Courier Dover Publications) p2, 23
[35]	Rankine W 1853 Philosophical Magazine 5 106
[36]	Li Z X, Guo Z Y 2010 Field Synergy Theory of Convective Heat Transfer (Beijing: Science Press) pp98–127 (in Chinese) [李志信, 过增元 2010 对流传热优化的场协同理论 (北京: 科学出版社) 第98–127页]

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