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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Foundation item: Supported by the National Natural Science Foundation of China (Nos. 51309040, 51379025), and the Fundamental Research Funds for the Central Universities (Nos. 3132014224, 3132014318).
Yong Zhao is a lecturer at Transportation Equipment and Ocean Engineering College, Dalian Maritime University. His research interests include ship hydrodynamics, turbulence models and numerical simulation based on wavelet method.
Tianlin Wang is a prefessor at Transportation Equipment and Ocean Engineering College, Dalian Maritime University. His research interests include hydrodynamics on underwater glider and computational fluid dynamics.
Zhi Zong is presently a professor and dean at School of Naval Architecture, Dalian University of Technology. He has been the principal investigator of a large variety of funded research work regarding the design and optimization of conventional and unconventional vessels. His research interests include hydrodynamics, underwater explosion and numerical methods in CFD, etc. His activities are documented by an extensive publication record of scientific papers, books, technical reports, and papers at international conferences (over 200 publications and two English monographs). He is the editorial advisory board member of several academic journals, including Journal of Hydrodynamics, Journal of Marine Science and Application and so on.
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Zhao, Y., Wang, T. & Zong, Z. Numerical investigation on two-dimensional boundary layer flow with transition. J. Marine. Sci. Appl. 13, 388–393 (2014). https://doi.org/10.1007/s11804-014-1269-3
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DOI: https://doi.org/10.1007/s11804-014-1269-3