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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/100/2739

Title: Relative thermo-hydraulic performance of ducts of square and circular cross sections with twisted tape inserts
Authors: RAY, S
DATE, AW
Keywords: heat-exchanger design
surfaces
tubes
Issue Date: 1998
Publisher: TAYLOR & FRANCIS LTD
Citation: HEAT TRANSFER 1998, VOL 5: GENERAL PAPERS,315-320
Abstract: The relative thermo-hydraulic performance of square and circular ducts with twisted tape inserts is studied in this paper. The results show that the square tubes perform better than the circular ducts for fluids with higher Prandtl number, irrespective of the operating Reynolds number and twist ratio. Significantly better performance is observed even for air under certain conditions. The performance parameters generally show an optimal operating condition. The Reynolds number, corresponding to which the optima occurs, increases with the increase in twist ratio, but, decreases with the increase in Prandtl number.
URI: http://dspace.library.iitb.ac.in/xmlui/handle/10054/16258
http://hdl.handle.net/100/2739
Appears in Collections:Proceedings papers

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