Experimental pressure drop data for two-phase flow of refrigerant 22 inside a smooth tube is presented. The experimental runs are carried out both for adiabatic and diabatic flow, that is condensation and vaporisation, at mass velocities ranging from 200 to 750 kg/(m2 s), over the entire vapor quality range. Pressure drop during condensation of a zeotropic refrigerant blend of R125 and R236ea (47/53 % by weight) is also presented. Comparisons with the available models in the literature are reported for R22.
Two-phase pressure losses in smooth tubes
CAVALLINI, ALBERTO;DEL COL, DAVIDE;DORETTI, LUCA;LONGO, GIOVANNI ANTONIO;ROSSETTO, LUISA
1999
Abstract
Experimental pressure drop data for two-phase flow of refrigerant 22 inside a smooth tube is presented. The experimental runs are carried out both for adiabatic and diabatic flow, that is condensation and vaporisation, at mass velocities ranging from 200 to 750 kg/(m2 s), over the entire vapor quality range. Pressure drop during condensation of a zeotropic refrigerant blend of R125 and R236ea (47/53 % by weight) is also presented. Comparisons with the available models in the literature are reported for R22.File in questo prodotto:
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