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The effect of the geometric parameters of a perforated plate on its heat transfer characteristics

โœ Scribed by Guo Tingwei; Zhu Tingying; Hu Jichuan; Gong Linghui

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
394 KB
Volume
36
Category
Article
ISSN
0011-2275

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โœฆ Synopsis

Experiments were performed on the effect of the geometric size change of holes in a perforated plate on its heat transfer characteristics, and the total average heat transfer coefficients of the working surfaces are given for different hole length-to-diameter ratios. In the experiments two parameters were varied: the hole length-to-diameter ratio and the per-hole Reynolds number. The experimental results are sorted according to the relation Nu =f (Re). The range of Reynolds numbers is 100 < Re < 1000.

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## Abstract We are interested in the study of a thin plate, periodicially perforated by cylindrical holes, the axes of which are perpendicular to the plane of the plate. A horizontal section of the plate specifies its geometry, and shows a periodicity in the order of ฯต. The thickness of the plate i