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Eighth International Symposium on Turbulence and Shear Flow Phenomena
August, 28-30, 2013, Poitiers, Futuroscope, France

DOI: 10.1615/TSFP8

EFFECTS OF WALL CURVATURE ON TURBULENT HEAT TRANSFER IN CURVED PIPE FLOW

pages 1-6
DOI: 10.1615/TSFP8.830
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摘要

Direct numerical simulation (DNS) of fully-developed turbulent curved pipe flow has been performed to investigate the effects of wall curvature on turbulent flow and heat transfer. We consider a fully developed turbulent curved pipe flow with axially uniform wall heat flux. The Reynolds number under consideration is Reτ=210 based on the mean friction velocity and the pipe radius, and the Prandtl number is 0.71. The mean velocity profiles and turbulent intensities obtained from the present DNS are in good agreement with the previous numerical and experimental results currently available. The mean quantities and various turbulence statistics are presented for flow and temperature fields.

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