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Investigations on mixture preparation for two phase adiabatic pressure drop of R134a flowing in 5 mm diameter channel

Investigations on mixture preparation for two phase adiabatic pressure drop of R134a flowing in 5... AbstractThe article presents detailed two-phase adiabatic pressure drops data for refrigerant R134a. Study cases have been set for a mass flux varying from 200 to 400 kg/m2s, at the saturation temperature of 19.4 °C. Obtained experimental data was compared with the available correlations from the literature for the frictional pressure drop during adiabatic flow. Influence of mixture preparation on pressure drop was investigated, for varying inlet subcooling temperature in the heated section. The flow patterns have also been obtained by means of a high-speed camera placed in the visualization section and compared with literature observations. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Thermodynamics de Gruyter

Investigations on mixture preparation for two phase adiabatic pressure drop of R134a flowing in 5 mm diameter channel

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Publisher
de Gruyter
Copyright
© 2017 Polish Academy of Sciences
ISSN
2083-6023
eISSN
2083-6023
DOI
10.1515/aoter-2017-0018
Publisher site
See Article on Publisher Site

Abstract

AbstractThe article presents detailed two-phase adiabatic pressure drops data for refrigerant R134a. Study cases have been set for a mass flux varying from 200 to 400 kg/m2s, at the saturation temperature of 19.4 °C. Obtained experimental data was compared with the available correlations from the literature for the frictional pressure drop during adiabatic flow. Influence of mixture preparation on pressure drop was investigated, for varying inlet subcooling temperature in the heated section. The flow patterns have also been obtained by means of a high-speed camera placed in the visualization section and compared with literature observations.

Journal

Archives of Thermodynamicsde Gruyter

Published: Sep 1, 2017

References