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EXPERIMENTAL INVESTIGATION OF HEAT TRANSFER AND PRESSURE DROP OVER RECTANGULAR PROFILE FINS PLACED IN A SQUARE CHANNEL

DOI: 10.1615/ICHMT.2014.IntSympConvHeatMassTransf.160
pages 225-235

Ece Ayli
TOBB University of Economics and Technology, Ankara, Turkey

Firat Kiyici
TOBB University of Economics and Technology, Ankara, Turkey

Ozgur BAYER
Middle East Technical University

Selin Aradag
TOBB University of Economics and Technology, Department of Mechanical Engineering, Sogutozu cad No: 43, 06560 Ankara / Turkey

Аннотация

In this study, with the help of a fan, fully developed turbulent flow conditions are experimentally obtained to investigate the heat transfer and pressure drop characteristics of rectangular fins. Fins with different geometries are placed to the bottom surface of a square shaped channel. Finned test pieces are heated by constant heat flux and other parts are kept as well insulated. The effect of fin height to the heat transfer coefficient is investigated by performing experiments. Temperature distributions, heat transfer coefficient and velocity distributions for different fin height cases are examined.

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