This paper presents a double-tube once-through steam generator (DOTSG) consisting of the outer straight tube and the inner helical tube. The tube length and pressure drop of are important parameters in optimal design of DOTSG. For optimal design of such a system, it was modeled to estimate its tube length and pressure drop. Pitch of inner helical tube, flow distribution ratio of the primary fluid, and tube assemblage are considered as design parameters. Then fast and elitist nondominated sorting genetic algorithm-II (NSGA-II) method was applied to find the optimum values of design parameters. In the presented optimal design approach, the tube length and the total pressure drop are two objective functions. The results of optimal designs were a set of multiple optimum solutions, called “Pareto optimal solutions.” The sensitivity analysis of change in optimum tube length and pressure drop with change in design parameters of the DOTSG is also performed and the results are reported.
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Heat Exchangers
Multi-Objective Optimization of Double-Tube Once-Through Steam Generator
Xinyu Wei,
e-mail: xyu.wei@yahoo.com
Xinyu Wei
Department of Nuclear Science and Technology, Xi’an Jiaotong University, Xi’an
, Shaanxi 710049, P. R. China
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Chunhui Dai,
Chunhui Dai
Department of Nuclear Science and Technology, Xi’an Jiaotong University, Xi’an
, Shaanxi 710049, P. R. China
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Yun Tai,
Yun Tai
Department of Nuclear Science and Technology, Xi’an Jiaotong University, Xi’an
, Shaanxi 710049, P. R. China
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Fuyu Zhao
e-mail: fyzhao@mail.xjtu.edu.cn
Fuyu Zhao
Department of Nuclear Science and Technology, Xi’an Jiaotong University, Xi’an
, Shaanxi 710049, P. R. China
Search for other works by this author on:
Xinyu Wei
Department of Nuclear Science and Technology, Xi’an Jiaotong University, Xi’an
, Shaanxi 710049, P. R. China
e-mail: xyu.wei@yahoo.com
Chunhui Dai
Department of Nuclear Science and Technology, Xi’an Jiaotong University, Xi’an
, Shaanxi 710049, P. R. China
Yun Tai
Department of Nuclear Science and Technology, Xi’an Jiaotong University, Xi’an
, Shaanxi 710049, P. R. China
Fuyu Zhao
Department of Nuclear Science and Technology, Xi’an Jiaotong University, Xi’an
, Shaanxi 710049, P. R. China
e-mail: fyzhao@mail.xjtu.edu.cn
J. Heat Transfer. Jul 2012, 134(7): 071801 (8 pages)
Published Online: May 24, 2012
Article history
Received:
August 7, 2011
Revised:
November 22, 2011
Online:
May 24, 2012
Published:
May 24, 2012
Citation
Wei, X., Dai, C., Tai, Y., and Zhao, F. (May 24, 2012). "Multi-Objective Optimization of Double-Tube Once-Through Steam Generator." ASME. J. Heat Transfer. July 2012; 134(7): 071801. https://doi.org/10.1115/1.4006102
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