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Large Eddy Simulation of Turbulent Pipe Flow  

고상철 (전주대학교 기계공학과)
Publication Information
Journal of Advanced Marine Engineering and Technology / v.27, no.3, 2003 , pp. 437-446 More about this Journal
Abstract
A large eddy simulation (LES) is performed for turbulent pipe flow. The simulation code is constructed by using a general coordinate system based on the physical contravariant velocity components. The effects of grid fineness which can be well prediction of turbulent behavior in near wall region is investigated. The subgrid scale turbulent models are applied and validated emphasis is placed on the flow details of turbulent pipe flow The calculated Reynolds number is 360 based on the wall shear velocity and the inlet pipe diameter. The predicted turbulent statistics are evaluated by comparing with the DNS data of turbulent pipe flow Performed by Eggels et al. The agreement of LES with DNS data is shown to be satisfactory. The proper grid fineness of the well prediction of turbulent pipe flow is suggested and the turbulent behavior is analyzed by depict the contour plot of fluctuating velocity components.
Keywords
LES(Large Eddy Simulation); Physical Contravariant Velocity Component; Generalized Coordinate; Turbulent Model;
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Times Cited By KSCI : 1  (Citation Analysis)
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