Subcooled pool boiling heat transfer in fractal nanofluids：A novel analytical model

doi:10.1088/1674-1056/23/2/026601

中国物理B ›› 2014, Vol. 23 ›› Issue (2): 26601-026601.doi: 10.1088/1674-1056/23/2/026601

• CONDENSED MATTER: STRUCTURAL, MECHANICAL, AND THERMAL PROPERTIES • 上一篇下一篇

Subcooled pool boiling heat transfer in fractal nanofluids：A novel analytical model

肖波齐^{a b c}, 杨毅^d, 许晓赋^a

a School of Mechanical and Electrical Engineering, Sanming University, Sanming 365004, China;
b Sanming Engineering Research Center of Mechanical CAD, Sanming 365000, China;
c Institute of Textiles and Clothing, Hong Kong Polytechnic University, Kowloon, Hong Kong, China;
d Department of Civil and Environmental Engineering, Hong Kong Polytechnic University, Kowloon, Hong Kong, China

收稿日期:2013-05-20 修回日期:2013-07-03 出版日期:2013-12-12 发布日期:2013-12-12
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No. 11102100), the Natural Science Foundation of Fujian Province, China (Grant No. 2012J01017), and the Scientific Research Special Foundation for Provincial University of Education Department of Fujian Province, China (Grant No. JK2011056).

Subcooled pool boiling heat transfer in fractal nanofluids：A novel analytical model

Xiao Bo-Qi (肖波齐)^{a b c}, Yang Yi (杨毅)^d, Xu Xiao-Fu (许晓赋)^a

a School of Mechanical and Electrical Engineering, Sanming University, Sanming 365004, China;
b Sanming Engineering Research Center of Mechanical CAD, Sanming 365000, China;
c Institute of Textiles and Clothing, Hong Kong Polytechnic University, Kowloon, Hong Kong, China;
d Department of Civil and Environmental Engineering, Hong Kong Polytechnic University, Kowloon, Hong Kong, China

Received:2013-05-20 Revised:2013-07-03 Online:2013-12-12 Published:2013-12-12
Contact: Xiao Bo-Qi E-mail:mr.boqi-xiao@connect.polyu.hk
About author:66.25.+g; 05.45.Df; 44.05.+e
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No. 11102100), the Natural Science Foundation of Fujian Province, China (Grant No. 2012J01017), and the Scientific Research Special Foundation for Provincial University of Education Department of Fujian Province, China (Grant No. JK2011056).

摘要/Abstract

摘要： A novel analytical model to determine the heat flux of subcooled pool boiling in fractal nanofluids is developed. The model considers the fractal character of nanofluids in terms of the fractal dimension of nanoparticles and the fractal dimension of active cavities on the heated surfaces; it also takes into account the effect of the Brownian motion of nanoparticles, which has no empirical constant but has parameters with physical meanings. The proposed model is expressed as a function of the subcooling of fluids and the wall superheat. The fractal analytical model is verified by a reasonable agreement with the experimental data and the results obtained from existing models.

关键词: subcooled pool boiling, Brownian motion, fractal nanofluids

Abstract: A novel analytical model to determine the heat flux of subcooled pool boiling in fractal nanofluids is developed. The model considers the fractal character of nanofluids in terms of the fractal dimension of nanoparticles and the fractal dimension of active cavities on the heated surfaces; it also takes into account the effect of the Brownian motion of nanoparticles, which has no empirical constant but has parameters with physical meanings. The proposed model is expressed as a function of the subcooling of fluids and the wall superheat. The fractal analytical model is verified by a reasonable agreement with the experimental data and the results obtained from existing models.

Key words: subcooled pool boiling, Brownian motion, fractal nanofluids

中图分类号: (Thermal conduction in nonmetallic liquids)

66.25.+g

05.45.Df (Fractals) 44.05.+e (Analytical and numerical techniques)

肖波齐, 杨毅, 许晓赋. Subcooled pool boiling heat transfer in fractal nanofluids：A novel analytical model[J]. 中国物理B, 2014, 23(2): 26601-026601.

Xiao Bo-Qi (肖波齐), Yang Yi (杨毅), Xu Xiao-Fu (许晓赋). Subcooled pool boiling heat transfer in fractal nanofluids：A novel analytical model[J]. Chin. Phys. B, 2014, 23(2): 26601-026601.

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Subcooled pool boiling heat transfer in fractal nanofluids：A novel analytical model

Subcooled pool boiling heat transfer in fractal nanofluids：A novel analytical model

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