Analysis of turbulent heat transfer and fluid flow in channels with various ribbed internal surfaces |
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| Authors: | Smith Eiamsa-ard Wayo Changcharoen |
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| Affiliation: | Smith Eiamsa-ard* and Wayo Changcharoen Department of Mechanical Engineering,Faculty of Engineering Mahanakorn University of Technology,Bangkok 10530,Thailand Smith Eiamsa-ard:Associate Professor |
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| Abstract: | This paper presents results of a numerical investigation of heat transfer and flow pattern characteristics of a channel with repeated ribs on one broad wall. Numerical computations are performed for seven ribs placed on the bottom wall of a channel for Reynolds numbers ranging from 10,000 to 30,000. The newly modified ribs (the ones with convex pointing upstream/downstream rib, wedge pointing upstream/downstream rib, concave pointing upstream/downstream rib and also concave-concave rib as well as convex-con... |
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| Keywords: | Rib Turbulent flow Heat transfer Reattachment zone Flow separation |
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