Eventos Anais de eventos
COBEM 2019
25th International Congress of Mechanical Engineering
MEASUREMENTS AND ANALYSES OF COLBURN FACTOR IN FIN AND FLAT TUBE COMPACT HEAT EXCHANGERS
Submission Author:
Cristiano Tibiriçá , SP
Co-Authors:
Cristiano Tibiriçá
Presenter: Cristiano Tibiriçá
doi://10.26678/ABCM.COBEM2019.COB2019-1160
Abstract
A fin and tube compact heat exchanger composed of microchannels flat tubes were tested in a wind tunnel for the measurement of Colburn factor in order to evaluate the prediction error of literature correlations. The experiments were conducted at ambient air pressure of 93 kPa and relative humidity of 60%, with air velocity between 1 to 4 m/s. The compact hat exchanger had a frontal area of 0.245 x 0.175 m2 and total heat transfer surface area of 1.5 m2. The deviation between experimental data and correlations predicted values were found to be in the range of 2 to 30%.
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