Numerical study of the effects of rotation on heat transfer in channels with and without ribs

Joon Sang Lee, Ning Meng, Richard H. Pletcher, Yang Liu

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Large eddy simulation of rotating channel and ribbed channel flows with and without heat transfer is reported. The rotation axis is parallel to the spanwise direction of the parallel plate channel. An implicit finite-volume scheme was used to solve the preconditioned time-dependent filtered Navier-Stokes equations using a dynamic subgrid-scale model to account for the subgrid-scale effects. The distribution of mean velocity and mean temperature were influenced by system rotation, transforming from a symmetric profile into a non-symmetric profile. The shift of peak values was toward the stable side of the channel. Near the stable (leading) side, the turbulent intensities and heat transfer were suppressed, but turbulence was enhanced with increasing shear stress and turbulent kinetic energy near the unstable (trailing) side.

Original languageEnglish
Pages (from-to)4673-4684
Number of pages12
JournalInternational Journal of Heat and Mass Transfer
Volume47
Issue number22
DOIs
Publication statusPublished - 2004 Oct 1

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heat transfer
Heat transfer
Large eddy simulation
Channel flow
Kinetic energy
Navier Stokes equations
Shear stress
scale effect
Turbulence
scale models
large eddy simulation
channel flow
profiles
parallel plates
dynamic models
Navier-Stokes equation
shear stress
kinetic energy
turbulence
shift

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanical Engineering
  • Fluid Flow and Transfer Processes

Cite this

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title = "Numerical study of the effects of rotation on heat transfer in channels with and without ribs",
abstract = "Large eddy simulation of rotating channel and ribbed channel flows with and without heat transfer is reported. The rotation axis is parallel to the spanwise direction of the parallel plate channel. An implicit finite-volume scheme was used to solve the preconditioned time-dependent filtered Navier-Stokes equations using a dynamic subgrid-scale model to account for the subgrid-scale effects. The distribution of mean velocity and mean temperature were influenced by system rotation, transforming from a symmetric profile into a non-symmetric profile. The shift of peak values was toward the stable side of the channel. Near the stable (leading) side, the turbulent intensities and heat transfer were suppressed, but turbulence was enhanced with increasing shear stress and turbulent kinetic energy near the unstable (trailing) side.",
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Numerical study of the effects of rotation on heat transfer in channels with and without ribs. / Lee, Joon Sang; Meng, Ning; Pletcher, Richard H.; Liu, Yang.

In: International Journal of Heat and Mass Transfer, Vol. 47, No. 22, 01.10.2004, p. 4673-4684.

Research output: Contribution to journalArticle

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T1 - Numerical study of the effects of rotation on heat transfer in channels with and without ribs

AU - Lee, Joon Sang

AU - Meng, Ning

AU - Pletcher, Richard H.

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AB - Large eddy simulation of rotating channel and ribbed channel flows with and without heat transfer is reported. The rotation axis is parallel to the spanwise direction of the parallel plate channel. An implicit finite-volume scheme was used to solve the preconditioned time-dependent filtered Navier-Stokes equations using a dynamic subgrid-scale model to account for the subgrid-scale effects. The distribution of mean velocity and mean temperature were influenced by system rotation, transforming from a symmetric profile into a non-symmetric profile. The shift of peak values was toward the stable side of the channel. Near the stable (leading) side, the turbulent intensities and heat transfer were suppressed, but turbulence was enhanced with increasing shear stress and turbulent kinetic energy near the unstable (trailing) side.

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