The results are presented as the variation of the Colburn factor and the friction factor with the Reynolds number based on the fin collar outside diameter (Re D c ). Ambient air is used as a working fluid in the air side while hot water is used for the tube side.
The heat exchangers are made from aluminium plate finned, copper tube. A total of 10 samples of fin and tube heat exchanger with a tube outside diameter of 9.53mm, transverse tube pitch of 25.4mm and longitudinal tube pitch of 19.05mm, having various fin pitches, number of tube rows and fin thicknesses, are tested in a well insulated open wind tunnel. International Nuclear Information System (INIS)Īn experimental study is conducted to investigate the effects of a fin pitch and number of tube rows on the air side performance of fin and tube heat exchangers having herringbone wavy fin configuration at various fin thicknesses. Effect of fin pitch and number of tube rows on the air side performance of herringbone wavy fin and tube heat exchangers
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