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dc.contributor.authorFU, WSen_US
dc.contributor.authorTSENG, CCen_US
dc.date.accessioned2014-12-08T15:04:07Z-
dc.date.available2014-12-08T15:04:07Z-
dc.date.issued1994-02-01en_US
dc.identifier.issn0017-9310en_US
dc.identifier.urihttp://hdl.handle.net/11536/2624-
dc.description.abstractA numerical study of flow field and heat transfer in a heated circular tube with an inner tube inserted has been investigated. Due to the insertion of the inner tube, part of the fluid is deviated from the original path to the heated tube which results in the increase of heat transfer rate from the heated wall. The Projection method is adopted to predict the flow field and three different types of inner tube, (1) straight tube, (2) contraction-enlargement tube and (3) enlargement-contraction tube, are considered. The calculations are performed for Reynolds numbers of 100, 500, 1000, and Prandtl numbers of 0.1, 0.7, 7 and 10. The results show that, except at very low Peclet number, the heat transfer rate of the heated tube increases when an inner tube is inserted. About 50% increase in heat transfer rate can be achieved under the condition of constant pumping power evaluation and twice the heat transfer rate than for the empty tube can be achieved under the condition of constant flow rate evaluation.en_US
dc.language.isoen_USen_US
dc.titleENHANCEMENT OF HEAT-TRANSFER FOR A TUBE WITH AN INNER TUBE INSERTIONen_US
dc.typeArticleen_US
dc.identifier.journalINTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFERen_US
dc.citation.volume37en_US
dc.citation.issue3en_US
dc.citation.spage499en_US
dc.citation.epage509en_US
dc.contributor.department交大名義發表zh_TW
dc.contributor.department機械工程學系zh_TW
dc.contributor.departmentNational Chiao Tung Universityen_US
dc.contributor.departmentDepartment of Mechanical Engineeringen_US
dc.identifier.wosnumberWOS:A1994MZ25800016-
dc.citation.woscount9-
Appears in Collections:Articles