NUMERICAL STUDY OF FIN-TUBE TYPE HEAT EXCHANGER WITH DELTA WINGLETS | Zendy

Abhik Majumder | Zendy; Divyprakash C. Pal | Zendy

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NUMERICAL STUDY OF FIN-TUBE TYPE HEAT EXCHANGER WITH DELTA WINGLETS

Author(s) -

Abhik Majumder,

Divyprakash C. Pal

Publication year - 2016

Publication title -

frontiers in heat and mass transfer

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.404

H-Index - 18

ISSN - 2151-8629

DOI - 10.5098/hmt.7.1

Subject(s) - wingtip device , thermal fluids , heat exchanger , fin , tube (container) , heat transfer , materials science , mechanical engineering , engineering , mechanics , aerospace engineering , thermal resistance , physics , aerodynamics

In this present work heat transfer characteristics, thermal performance and pressure drop are studied numerically for a finned-tube bank heat exchanger with Delta Winglet Vortex Generator (DWVG) on the fin at different angle of attack (α). The thermo-fluid is studied by varying α at 15 o , 25 o , 30 o and 35 o . The base length (lDW) of the winglet also varied from 20mm to 35mm. The heat transfer coefficient and pressure drop increased in all the cases with increase in Reynolds number. However, significant increase in heat transfer of about 23.92% was observed for α at 35 o when compared with plain

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