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Mixed convection boundary-layer flow over a wedgeembedded in a stable stratified medium
Xu Hang 1 *,Fan Tao 1,Ioan Pop 2
1.School of Naval Architecture, Ocean and Civil Engineering, Shanghai JiaoTong University, ShangHai 200240 China
2.Faculty of Mathematics, University of Cluj, R-3400 Cluj,CP253, Romania
*Correspondence author
#Submitted by
Subject:
Funding: Natural Science Foundation of China（No.10972136）, Higher Education Foundation of China（No.20090073120014）
Opened online:21 June 2012
Accepted by: none
Citation: Xu Hang ,Fan Tao ,Ioan Pop.Mixed convection boundary-layer flow over a wedgeembedded in a stable stratified medium[OL]. [21 June 2012] http://en.paper.edu.cn/en_releasepaper/content/4482357
 
 
The steady mixed convection boundary-layer flow adjacent to a symmetrical wedge in a stablestratified medium is investigated. An similarity solution if found to be in existence with the assumptions that the surface and the ambient temperature are proportional to x 2m-1 from the leading edge of the surface. A further analysis shows that the similarity method is only valid for m=1/2. Besides, analytical approximationswith high accuracy are given and then match by the numerical techniques. Further, it is found that the homotopy-pade approximations are independent on the auxiliary parameters in HAM theory. Besides, the effects of important physical parameters such as λ, Pr and S on the flow are investigated. It is foundthat the thermal stratification delays the fluid motion in the boundary-layer.
Keywords:boundary-layer; Mixed convection; wedge; stratified medium
 
 
 

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