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THMT-18. Turbulence Heat and Mass Transfer 9 Proceedings of the Ninth International Symposium On Turbulence Heat and Mass Transfer
July, 10-13, 2018, Rio de Janeiro, Brazil

DOI: 10.1615/THMT-18


ISBN Print: 978-1-56700-468-7

ISBN Online: 978-1-56700-467-0

ISSN Print: 2377-2816

A simultaneous spectral/spatial analysis of turbulent kinetic energy in turbulent channel flow: the effect of the Reynolds number

pages 315-324
DOI: 10.1615/THMT-18.290
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摘要

In the present work, a numerical study on the production and dissipation terms of the budget of turbulent kinetic energy is performed for a channel flow, focusing on the influence of the Reynolds number. Several energy fluxes are analyzed for wall bounded turbulence due to both spectral and spatial energy variations by using direct numerical simulations of a fully developed turbulent channel flow at Reτ = 180 and Reτ = 1000.

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