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Measurement of the void fraction of R-134a flowing through a horizontal tube

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dc.contributor.authorSrisomba, R.
dc.contributor.authorMahian, O.
dc.contributor.authorDalkilic, A. S.
dc.contributor.authorWongwises, S.
dc.contributor.institutionauthorDALKILIÇ, Ahmet Selim
dc.date.accessioned2026-06-27T13:31:08Z
dc.date.issued2014
dc.description.abstractThis experiment aims to measure the void fraction of R-134a refrigerant flowing through a horizontal tube, using a quick-closing valve and optical observation techniques. The tube is transparent, circular, 115 mm long with an inside 8 mm thick, and has two actuator ball valves installed at both ends. The experiment was conducted in conditions where vapor quality ranged from 1% to 82%, saturated temperature was from 23 to 30 degrees C, and mass flux was from 644 to 1455 kg/m(2) s. The results of the experiment indicate that raising the saturated temperature decreased the void fraction, whereas increasing mass flux had no significant effect on it. Moreover, results also show three flow regimes: intermittent, wavy, and annular. Each. flow regime led to different predicted void fractions. (C) 2014 Elsevier Ltd. All rights reserved.en
dc.description.sponsorshipThailand Research Fund [DPG5380003]
dc.description.sponsorshipNSTDA
dc.description.sponsorshipNational Research University Project
dc.description.urihttps://doi.org/10.1016/j.icheatmasstransfer.2014.04.004
dc.identifier.doi10.1016/j.icheatmasstransfer.2014.04.004
dc.identifier.eissn1879-0178
dc.identifier.endpage14
dc.identifier.issn0735-1933
dc.identifier.startpage8
dc.identifier.urihttps://hdl.handle.net/20.500.14981/53472
dc.identifier.volume56
dc.identifier.wos000340306200002
dc.language.isoeng
dc.publisherPERGAMON-ELSEVIER SCIENCE LTD
dc.relation.ispartofINTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER
dc.subjectTwo-phase flow
dc.subjectVoid fraction
dc.subjectOptical observation technique
dc.subjectVoid fraction correlation
dc.subjectQuick closing valve method
dc.subjectINTERFACIAL MEASUREMENTS
dc.subjectSTRATIFIED TYPES
dc.subjectPART II
dc.subjectThermodynamics
dc.subjectMechanics
dc.titleMeasurement of the void fraction of R-134a flowing through a horizontal tube
dc.typeArticle
dspace.entity.typePublication
local.import.sourceWOS

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