DNS OF TURBULENT CHANNEL FLOW AT VERY LOW REYNOLDS NUMBERS

Published: Jan 1, 2005
Abstract
Direct numerical simulation (DNS) of a fully developed turbulent channel flow for very low Reynods numbers has been executed with larger computational box-sizes than those of common DNS. The present Reynolds number is decreased down to Reτ = 64, where Reτ is based on the friction velocity and the channel half width δ. For Reτ = 80 with using the largest box of 51.2δ × 2δ × 22.5δ, the periodic weak-turbulence regions are observed. This type of...
Paper Details
Title
DNS OF TURBULENT CHANNEL FLOW AT VERY LOW REYNOLDS NUMBERS
Published Date
Jan 1, 2005
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