Turbulence simulations of flow past a circular cylinder based on a nonlinear partially averaged Navier-Stokes (PANS) method

被引：5
|
作者：
Bie, Haiyan [1 ]
Liu, Jintao [2 ]
Hao, Zongrui [3 ]
Wu, Yulin [4 ]
机构：
[1] Ocean Univ China, Coll Chem & Chem Engn, Qingdao 266100, Peoples R China
[2] Beijing Inst Control Engn, Beijing 100190, Peoples R China
[3] Shandong Acad Sci, Inst Oceanog Instrument, Qingdao 266001, Peoples R China
[4] Tsinghua Univ, Dept Thermal Engn, Beijing 100084, Peoples R China
来源：
MODERN PHYSICS LETTERS B | 2015年 / 29卷 / 25期
基金：
中国国家自然科学基金;
关键词：
Nonlinear PANS method; circular cylinder; velocity distribution; unsolved eddy viscosity; LARGE-EDDY SIMULATION; MODEL;
D O I：
10.1142/S0217984915501432
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A nonlinear partially averaged Navier-Stokes (PANS) method based on RNG k-epsilon turbulence model is evaluated by a moderately high Reynolds number turbulence flow past a circular cylinder. The ratios of unresolved-to-total kinetic energy (f(k)) and unresolved-tototal dissipation (f(epsilon)) for PANS method are sensitive to the simulation result. Simulation results based on different fk are compared with the experimental data. The quantities including mean streamline velocity, mean normal velocity, streamlines, etc. are analyzed. The computational result is reasonable when fk is less than 0.6. The PANS method can be used in the simulation of high Reynolds number turbulence flow.
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收藏
页数：13
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