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Journal of Zhejiang University SCIENCE A 2009 Vol.10 No.5 P.691~696

10.1631/jzus.A0820540


Measurement of boiling heat transfer coefficient in liquid nitrogen bath by inverse heat conduction method


Author(s):  Tao JIN, Jian-ping HONG, Hao ZHENG, Ke TANG, Zhi-hua GAN

Affiliation(s):  Institute of Refrigeration and Cryogenics, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   jintao@zju.edu.cn, gan_zhihua@zju.edu.cn

Key Words:  Inverse heat conduction method (IHCM), Liquid nitrogen bath, Boiling heat transfer coefficient


Tao JIN, Jian-ping HONG, Hao ZHENG, Ke TANG, Zhi-hua GAN. Measurement of boiling heat transfer coefficient in liquid nitrogen bath by inverse heat conduction method[J]. Journal of Zhejiang University Science A, 2009, 10(5): 691~696.

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author="Tao JIN, Jian-ping HONG, Hao ZHENG, Ke TANG, Zhi-hua GAN",
journal="Journal of Zhejiang University Science A",
volume="10",
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pages="691~696",
year="2009",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A0820540"
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%T Measurement of boiling heat transfer coefficient in liquid nitrogen bath by inverse heat conduction method
%A Tao JIN
%A Jian-ping HONG
%A Hao ZHENG
%A Ke TANG
%A Zhi-hua GAN
%J Journal of Zhejiang University SCIENCE A
%V 10
%N 5
%P 691~696
%@ 1673-565X
%D 2009
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A0820540

TY - JOUR
T1 - Measurement of boiling heat transfer coefficient in liquid nitrogen bath by inverse heat conduction method
A1 - Tao JIN
A1 - Jian-ping HONG
A1 - Hao ZHENG
A1 - Ke TANG
A1 - Zhi-hua GAN
J0 - Journal of Zhejiang University Science A
VL - 10
IS - 5
SP - 691
EP - 696
%@ 1673-565X
Y1 - 2009
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A0820540


Abstract: 
inverse heat conduction method (IHCM) is one of the most effective approaches to obtaining the boiling heat transfer coefficient from measured results. This paper focuses on its application in cryogenic boiling heat transfer. Experiments were conducted on the heat transfer of a stainless steel block in a liquid nitrogen bath, with the assumption of a 1D conduction condition to realize fast acquisition of the temperature of the test points inside the block. With the inverse-heat conduction theory and the explicit finite difference model, a solving program was developed to calculate the heat flux and the boiling heat transfer coefficient of a stainless steel block in liquid nitrogen bath based on the temperature acquisition data. Considering the oscillating data and some unsmooth transition points in the inverse-heat-conduction calculation result of the heat-transfer coefficient, a two-step data-fitting procedure was proposed to obtain the expression for the boiling heat transfer coefficients. The coefficient was then verified for accuracy by a comparison between the simulation results using this expression and the verifying experimental results of a stainless steel block. The maximum error with a revised segment fitting is around 6%, which verifies the feasibility of using IHCM to measure the boiling heat transfer coefficient in liquid nitrogen bath.

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Reference

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[2] Barron, R.F., 1999. Cryogenic Heat Transfer. Taylor and Francis, Philadelphia.

[3] Blackwell, B.F., 1981. Efficient technique for the numerical solution of the one-dimensional inverse problem of heat conduction. Numerical Heat Transfer Part A: Applications, 4(2):229-238.

[4] Beck, J.V., Blackwell, B., St. Clair, C.R., 1985. Inverse Heat Conduction—Ill Posed Problem. Wiley, New York.

[5] Gu, J.F., Pan, J.S., Hu, M.J., 1998. Inverse heat conduction analysis of synthetical surface heat transfer coefficient during quenching process. Journal of Shanghai Jiao Tong University, 32(2):19-22 (in Chinese).

[6] Hong, J.P., 2008. Study on Boiling Heat Transfer Coefficient in Liquid Nitrogen Bath by Inverse Heat Conduction Method. MS Thesis, Zhejiang University, Hangzhou, China (in Chinese).

[7] Jackson, J., Liao, J., Klausner, J.F., Mei, R., 2005. Transient Heat Transfer During Cryogenic Chilldown. Proceedings of HT-2005 (ASME Summer Heat Transfer Conference), San Francisco, California, USA, 2:253-260.

[8] Morton, K.W., Mayers, D.F., 2005. Numerical Solution of Partial Differential Equations, an Introduction. Cambridge University Press, London.

[9] Ozisik, M.N., Orlande, H.R.B., 2000. Inverse Heat Transfer Fundamentals and Application. Taylor & Francis, New York.

[10] Westwater, J.W., Hwalek, J.J., Iriving, M.E., 1986. Suggested standard method for obtaining boiling curves by quenching. Industrial & Engineering Chemistry Fundamentals, 25(4):685-692.

[11] Zhirafar, S., Rezaeian, A., Pugha, M., 2007. Effect of cryogenic treatment on the mechanical properties of 4340 steel. Journal of Materials Processing Technology, 186(1-3):298-303.

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