Direct numerical simulation (DNS) of a fully developed turbulent channel flow for various Reynolds numbers has been carried out to investigate the Reynolds number dependence. The Reynolds number is set to be 395, and 640, where is the Reynolds number based on the friction velocity and the channel half width. The computation has been executed with the use of the finite difference method. Various turbulence statistics such as turbulence intensities, vorticity fluctuations, Reynolds stresses, their budget terms, two-point correlation coefficients, and energy spectra are obtained and discussed. The present results are compared with the ones of the DNSs for the turbulent boundary layer and the plane turbulent Poiseuille flow and the experiments for the channel flow. The closure models are also tested using the present results for the dissipation rate of the Reynolds normal stresses. In addition, the instantaneous flow field is visualized in order to examine the Reynolds number dependence for the quasi-coherent structures such as the vortices and streaks.
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June 2001
Technical Papers
Direct Numerical Simulation of a Fully Developed Turbulent Channel Flow With Respect to the Reynolds Number Dependence
Hiroyuki Abe,
Hiroyuki Abe
Department of Mechanical Engineering, Science University of Tokyo, Noda-shi, Chiba, 278-8510, Japan
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Hiroshi Kawamura,
Hiroshi Kawamura
Department of Mechanical Engineering, Science University of Tokyo, Noda-shi, Chiba, 278-8510, Japan
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Yuichi Matsuo
Yuichi Matsuo
National Aerospace Laboratory, Chofu-shi, Tokyo, 182-8522, Japan
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Hiroyuki Abe
Department of Mechanical Engineering, Science University of Tokyo, Noda-shi, Chiba, 278-8510, Japan
Hiroshi Kawamura
Department of Mechanical Engineering, Science University of Tokyo, Noda-shi, Chiba, 278-8510, Japan
Yuichi Matsuo
National Aerospace Laboratory, Chofu-shi, Tokyo, 182-8522, Japan
Contributed by the Fluids Engineering Division for publication in the JOURNAL OF FLUIDS ENGINEERING. Manuscript received by the Fluids Engineering Division June 19, 2000; revised manuscript received February 16, 2001. Associate Editor: G. Karniadakis.
J. Fluids Eng. Jun 2001, 123(2): 382-393 (12 pages)
Published Online: February 16, 2001
Article history
Received:
June 19, 2000
Revised:
February 16, 2001
Citation
Abe , H., Kawamura, H., and Matsuo, Y. (February 16, 2001). "Direct Numerical Simulation of a Fully Developed Turbulent Channel Flow With Respect to the Reynolds Number Dependence ." ASME. J. Fluids Eng. June 2001; 123(2): 382–393. https://doi.org/10.1115/1.1366680
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