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ホーム アーカイブ 役員 今後の会合 American Society of Thermal and Fluids Engineering

PARAMETER STUDY ON LONGITUDINAL HEAT CONDUCTION IN A CROSS-WAVY PRIMARY SURFACE HEAT EXCHANGER

Saranmanduh Borjigin
Key Laboratory of Thermo-Fluid Science and Engineering, MOE, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, P.R. China

Yuan-yuan Peng
Key Laboratory of Thermo-Fluid Science and Engineering, MOE, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, P.R. China

Ting Ma
Key Laboratory of Thermo-Fluid Science and Engineering, MOE, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China

Yitung Chen
Nevada Center for Advanced Computational Methods, University of Nevada Las Vegas, University of Reno, Las Vegas, NV, U.S.A.

Min Zeng
Key Laboratory of Thermo-Fluid Science and Engineering, Ministry of Education, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, 710049, China

Qiu-Wang Wang
Key Laboratory of Thermo-Fluid Science and Engineering, Ministry of Education, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, P.R. China

DOI: 10.1615/TFESC1.cmd.012658
pages 433-445


キーワード: primary surface heat exchanger, cross-wavy, longitudinal heat conduction, heat transfer model, geometric parameter

要約

In this paper, heat transfer models with and without longitudinal heat conduction (LHC) are applied to investigate the effects of longitudinal heat conduction in a cross-wavy (CW) primary surface heat exchanger. Numerical simulation results show that the contribution of longitudinal heat conduction increases with the decrease of the ratio of longitudinal Biot number to transverse Biot number. Differences between heat flux distribution of heat transfer models with and without longitudinal heat conduction reflect the strength of longitudinal heat conduction. The contribution of longitudinal heat conduction increases with the increase of the strength of longitudinal heat conduction and decreases with the increase of the negative heat flux area in heat transfer model with longitudinal heat conduction.

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