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Citation:
　Yong Zhao,Tianlin Wang and Zhi Zong.Numerical Investigation on Two-dimensional Boundary Layer Flow with Transition[J].Journal of Marine Science and Application,2014,(4):388-393.[doi:10.1007/s11804-014-1269-3]
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Numerical Investigation on Two-dimensional Boundary Layer Flow with Transition

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Title:
Numerical Investigation on Two-dimensional Boundary Layer Flow with Transition
Author(s):
Yong Zhao;  Tianlin Wang and Zhi Zong
Affilations:
Author(s):
Yong Zhao;  Tianlin Wang and Zhi Zong
1. Transportation Equipment and Ocean Engineering College, Dalian Maritime University, Dalian 116026, China2. State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116024, China3. School of Naval Architecture, Dalian University of Technology, Dalian 116024, China
Keywords:
transitional boundary layer flow;  Reynolds averaged numerical simulation (RANS);  turbulence models;  low Reynolds correction;  Reynolds stress;  eddy viscosity
分类号:
-
DOI:
10.1007/s11804-014-1269-3
Abstract:
As a basic problem in many engineering applications, transition from laminar to turbulence still remains a difficult problem in computational fluid dynamics (CFD). A numerical study of one transitional flow in two-dimensional is conducted by Reynolds averaged numerical simulation (RANS) in this paper. Turbulence model plays a significant role in the complex flows’ simulation, and four advanced turbulence models are evaluated. Numerical solution of frictional resistance coefficient is compared with the measured one in the transitional zone, which indicates that Wilcox (2006) k-ω model with correction is the best candidate. Comparisons of numerical and analytical solutions for dimensionless velocity show that averaged streamwise dimensionless velocity profiles correct the shape rapidly in transitional region. Furthermore, turbulence quantities such as turbulence kinetic energy, eddy viscosity, and Reynolds stress are also studied, which are helpful to learn the transition’s behavior.

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Memo

Memo:
Supported by the National Natural Science Foundation of China (Nos. 51309040, 51379025), and the Fundamental Research Funds for the Central Universities (Nos. 3132014224, 3132014318).
Last Update: 2014-12-09