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Simulation of combined conductive, convective and radiative heat transfer in moving irregular porous fins by spectral element method
文献类型:期刊
作者:Ma, Jing[1]  Sun, Yasong[2]  Li, Benwen[3]  
机构:[1]Key Laboratory of Shaanxi Province for Development and Application of New Transportation Energy, School of Automobile, Chang'an University, Xi'an, 710064, China
[2]Key Laboratory of Internal Aerodynamics in Aero-Engine, School of Power and Energy, Northwestern Polytechnical University, Xi'an, 710072, China
[3]Institute of Thermal Engineering, School of Energy and Power Engineering, Dalian University of Technology, Dalian, 116024, China
通讯作者:Ma, J (reprint author), Changan Univ, Sch Automobile, Key Lab Shaanxi Prov Dev & Applicat New Transport, Xian 710064, Peoples R China.; Sun, YS (reprint author), Northwestern Polytech Univ, Sch Power & Energy, Key Lab Internal Aerodynam Aeroengine, Xian 710072, Peoples R China.
年:2017
期刊名称:INTERNATIONAL JOURNAL OF THERMAL SCIENCES影响因子和分区
卷:118
页码范围:475-487
增刊:正刊
学科:工程学
收录情况:SCI(E)(000403855000035)  EI(20172103687562)  
所属部门:动力与能源学院
重要成果类型:重要期刊
被引频次:13
人气指数:3210
浏览次数:3207
基金:Natural Science Foundation of China [51406014]; Fundamental Research Funds for the Central Universities [310822151021]
关键词:Spectral element method; Irregular porous fin; Non-uniform heat generation; Temperature dependent thermal properties
摘要:
A spectral element method (SEM) is developed to solve coupled conductive, convective and radiative heat transfer in moving porous fins of trapezoidal, convex parabolic and concave parabolic profiles. In these irregular porous fins, non-uniform heat generation, heat transfer coefficient and surface emissivity vary with temperature. In the SEM model, the solution domain is decomposed into non-overlapping elements by mesh tools of finite element method, and Chebyshev polynomials are used to establi ...More
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