Effect of various rib arrangements on heat transfer in a semicylinder channel with effusion flow

Qing Yang Zhao, Heeyoon Chung, Eui Yeop Jung, Hyung Hee Cho

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The flow and heat transfer characteristics of various rib configurations on a concave channel surface with effusion holes were investigated. A semicylindrical channel with three rows of effusion holes was used to simplify the blade leading edge and eight kinds of ribs were attached on the internal concave surface for comparison. Continuous and broken ribs were both applied at 90°, as were upstream-pointed V-shaped and downstream-pointed V-shaped ribs. The Reynolds-averaged Navier–Stokes equation was solved using commercial software. The result included the divided-area-averaged and local Nusselt number distribution; the overall average Nusselt number on the concave surface is also discussed.

Original languageEnglish
Pages (from-to)547-559
Number of pages13
JournalNumerical Heat Transfer; Part A: Applications
Volume71
Issue number5
DOIs
Publication statusPublished - 2017 Mar 4

Fingerprint

Heat Transfer
Arrangement
heat transfer
Nusselt number
Heat transfer
Reynolds Equation
leading edges
blades
Blade
upstream
Navier-Stokes Equations
Simplify
computer programs
Internal
Configuration
Software
configurations

All Science Journal Classification (ASJC) codes

  • Numerical Analysis
  • Condensed Matter Physics

Cite this

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abstract = "The flow and heat transfer characteristics of various rib configurations on a concave channel surface with effusion holes were investigated. A semicylindrical channel with three rows of effusion holes was used to simplify the blade leading edge and eight kinds of ribs were attached on the internal concave surface for comparison. Continuous and broken ribs were both applied at 90°, as were upstream-pointed V-shaped and downstream-pointed V-shaped ribs. The Reynolds-averaged Navier–Stokes equation was solved using commercial software. The result included the divided-area-averaged and local Nusselt number distribution; the overall average Nusselt number on the concave surface is also discussed.",
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Effect of various rib arrangements on heat transfer in a semicylinder channel with effusion flow. / Zhao, Qing Yang; Chung, Heeyoon; Jung, Eui Yeop; Cho, Hyung Hee.

In: Numerical Heat Transfer; Part A: Applications, Vol. 71, No. 5, 04.03.2017, p. 547-559.

Research output: Contribution to journalArticle

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