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dc.contributor.authorWang, Chi-Chuanen_US
dc.contributor.authorChen, Kuan-Yuen_US
dc.contributor.authorLiaw, Jane-Sunnen_US
dc.contributor.authorTseng, Chih-Yungen_US
dc.date.accessioned2014-12-08T15:24:03Z-
dc.date.available2014-12-08T15:24:03Z-
dc.date.issued2012-09-01en_US
dc.identifier.issn0017-9310en_US
dc.identifier.urihttp://hdl.handle.net/11536/16717-
dc.description.abstract"This study proposes a novel ""partial bypass"" concept which facilitates the heat transfer augmentation without the pumping power penalty. The basic idea is to introduce bypass cold stream which bypasses the front part of the heat exchanger and mixes with the hot stream across the front part of the heat exchanger, and the mixed stream flows through the rear part of the heat exchanger. Through this concept, heat transfer performance at the front part is slightly reduced but the rear part is substantially increased. The concept can be implemented with either maintaining the same total flowrate, heat transfer rate but accompanies with a much lower pressure drop or it can be applied with the same pumping power but accompanies with a much higher heat transfer rate. It is found that the ""partial bypass"" concept is especially fruitful for a heat exchanger with a comparatively large number of transfer unit (NTU). The concept is especially helpful in the design of a deep tube bank operated at lower frontal velocity. For validating the proposed concept, the calculation is also compared with the experimental measurements, and good agreement amid the calculations and measurements are reported. (C) 2012 Elsevier Ltd. All rights reserved."en_US
dc.language.isoen_USen_US
dc.title"A novel ""partial bypass"" concept to augment the performance of air-cooled heat exchangers"en_US
dc.typeArticleen_US
dc.identifier.journalINTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFERen_US
dc.citation.volume55en_US
dc.citation.issue19-20en_US
dc.citation.spageen_US
dc.citation.epage5367en_US
dc.contributor.department機械工程學系zh_TW
dc.contributor.departmentDepartment of Mechanical Engineeringen_US
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