NDLI: Enhancement of forced convection heat transfer from fin arrays with circular perforation

Content Provider	IEEE Xplore Digital Library
Author	Dhanawade, K.H. Dhanawade, H.S.
Copyright Year	2010
Description	Author affiliation: Indria Gandhi College of Engg., Navi Mumbai, India (Dhanawade, H.S.) \|\| Lokamanya Tilak College of Engg., Navi Mumbai, India (Dhanawade, K.H.)
Abstract	Rapid heat removal from heated surfaces and reducing material weight and cost become a major task for design of heat exchanger equipments like Cooling of I C engines. Development of super heat exchangers requires fabrication of efficient techniques to exchange great amount of heat between surface such as extended surface and ambient fluid. The present paper reports, an experimental study to investigate the heat transfer enhancement in rectangular fin arrays with circular perforation equipped on horizontal flat surface in horizontal rectangular duct. The data used in performance analyses were obtained experimentally by varying flow, different heat inputs and geometrical conditions. The experiment covered Reynolds number range from 3000–6000, based on the flow average inlet velocity and hydraulic diameter. Clearance ratio (C/H) 0.45, inter-fin spacing ratio (S/H) 0.22, duct width 150mm, height 100mm and fin size of both solid and perforated (weight reduction) were 100mm × 55mm × 3mm. For various heat inputs and flow rates values of Reynolds and Nusselt number were obtained. The results of perforated fin arrays have been compared with its external dimensionally equivalent solid fin arrays. It shows that enhancement in heat transfer of perforated fin arrays than solid fin arrays.
Starting Page	192
Ending Page	196
File Size	87464
Page Count	5
File Format	PDF
ISBN	9781424490813
e-ISBN	9781424490837
DOI	10.1109/FAME.2010.5714845
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-11-25
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Forced convection Ducts Fluid flow Heat exchangers Rectangular duct Temperature measurement Heat transfer enhancement Heating Heat engines Solids Perforated fins Solid fins Heat transfer
Content Type	Text
Resource Type	Article

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