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Abstract—Over the past couple of years the use of concavities or dimples to enhance the heat transfer
has been reported by several researchers. This work deals with experimental investigation of
the forced convection heat transfer over circular dimpled surfaces. The various heat transfer
parameters considered for study are Nusselt number, heat transfer coefficient, heat transferrate
andReynolds Number. From the obtained results, novel conclusion for thedesign of compactheat
exchangercan be drawn (Katkhaw, 2014).
Index Terms—Forced convection, Dimples, Heat transfer augmentation, Compactheat exchanger
Cite: Faheem Akthar, Abdul Razak R Kaladgi, and Mohammed Samee, "Heat Transfer Augmentation Using Dimples in Forced Convection - An Experimental Approach," International Journal of Mechanical Engineering and Robotics Research, Vol. 4, No. 1, pp. 150-153, January 2015.