Forced convection from a horizontal ribbed rectangular base-plate penetrated by arrays of holes

Chun Wah Leung; Tat Leung Chan; S. D. Probert; H. J. Kang

doi:10.1016/S0306-2619(98)00046-4

Forced convection from a horizontal ribbed rectangular base-plate penetrated by arrays of holes

Chun Wah Leung, Tat Leung Chan, S. D. Probert, H. J. Kang

Research output: Journal article publication › Journal article › Academic research › peer-review

17 Citations (Scopus)

Abstract

A method was proposed to augment the forced convection to ambient air from a horizontal rectangular plate with its upper surface mounted with uniformly spaced and heated transverse rectangular ribs. The steady-state effects of varying the penetration ratio (β), diameter of the hole (d), ratio of channel's height to rib's common height (H/B), and Reynolds number (Rec), of the air-flow on the rate of forced convection from the rectangular plate, were investigated for both laminar and turbulent flows over the ribs. Heat transfer measurements were obtained for the ranges: 500≤Rec≤19,000; 4≤H/B≤10≤0.20.

Original language	English
Pages (from-to)	81-95
Number of pages	15
Journal	Applied Energy
Volume	62
Issue number	2
DOIs	https://doi.org/10.1016/S0306-2619(98)00046-4
Publication status	Published - 1 Jan 1999

ASJC Scopus subject areas

Civil and Structural Engineering
General Energy

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10.1016/S0306-2619(98)00046-4

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AB - A method was proposed to augment the forced convection to ambient air from a horizontal rectangular plate with its upper surface mounted with uniformly spaced and heated transverse rectangular ribs. The steady-state effects of varying the penetration ratio (β), diameter of the hole (d), ratio of channel's height to rib's common height (H/B), and Reynolds number (Rec), of the air-flow on the rate of forced convection from the rectangular plate, were investigated for both laminar and turbulent flows over the ribs. Heat transfer measurements were obtained for the ranges: 500≤Rec≤19,000; 4≤H/B≤10≤0.20.

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Forced convection from a horizontal ribbed rectangular base-plate penetrated by arrays of holes

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