The heat transfer and pressure drop of three types of shell-and-tube heat exchangers, one with conventional segmental baffles and the other two with continuous helical baffles, were experimentally measured with water flowing in the tube side and oil flowing in the shell side. The genetic algorithm has been used to determine the coefficients of correlations. It is shown that under the identical mass flow, a heat exchanger with continuous helical baffles offers higher heat transfer coefficients and pressure drop than that of a heat exchanger with segmental baffles, while the shell structure of the side-in-side-out model offers better performance than that of the middle-in-middle-out model. The predicted heat transfer rates and friction factors by means of the genetic algorithm provide a closer fit to experimental data than those determined by regression analysis. The predicted corrections of heat transfer and flow performance in the shell sides may be used in engineering applications and comprehensive study. It is recommended that the genetic algorithm can be used to handle more complicated problems and to obtain the optimal correlations.
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e-mail: wangqw@mail.xjtu.edu.cn
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September 2007
This article was originally published in
Journal of Heat Transfer
Technical Papers
Experimental Study and Genetic-Algorithm-Based Correlation on Shell-Side Heat Transfer and Flow Performance of Three Different Types of Shell-and-Tube Heat Exchangers
Qiu-wang Wang,
Qiu-wang Wang
State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering,
e-mail: wangqw@mail.xjtu.edu.cn
Xi’an Jiaotong University
, Xi’an, 710049, China
Search for other works by this author on:
Gong-nan Xie,
Gong-nan Xie
State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering,
Xi’an Jiaotong University
, Xi’an, 710049, China
Search for other works by this author on:
Bo-tao Peng,
Bo-tao Peng
State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering,
Xi’an Jiaotong University
, Xi’an, 710049, China
Search for other works by this author on:
Min Zeng
Min Zeng
State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering,
Xi’an Jiaotong University
, Xi’an, 710049, China
Search for other works by this author on:
Qiu-wang Wang
State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering,
Xi’an Jiaotong University
, Xi’an, 710049, Chinae-mail: wangqw@mail.xjtu.edu.cn
Gong-nan Xie
State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering,
Xi’an Jiaotong University
, Xi’an, 710049, China
Bo-tao Peng
State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering,
Xi’an Jiaotong University
, Xi’an, 710049, China
Min Zeng
State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering,
Xi’an Jiaotong University
, Xi’an, 710049, ChinaJ. Heat Transfer. Sep 2007, 129(9): 1277-1285 (9 pages)
Published Online: December 3, 2006
Article history
Received:
July 8, 2006
Revised:
December 3, 2006
Citation
Wang, Q., Xie, G., Peng, B., and Zeng, M. (December 3, 2006). "Experimental Study and Genetic-Algorithm-Based Correlation on Shell-Side Heat Transfer and Flow Performance of Three Different Types of Shell-and-Tube Heat Exchangers." ASME. J. Heat Transfer. September 2007; 129(9): 1277–1285. https://doi.org/10.1115/1.2739611
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