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EXPERIMENTAL VERIFICATION OF LIQUID HOLD-UP PREDICTIONS IN SMALL REFRIGERATION HEAT EXCHANGERS.
Author(s) : KUIJPERS L., JANSSEN M., WIT J. de
Summary
MEASUREMENTS OF THE MEAN VOID FRACTION (LIQUID HOLD-UP) OF SMALL EVAPORATING AND CONDENSING HEAT EXCHANGERS AR THE RESULTS ARE INFLUENCED BY THE EFFECT OF THE REFRIGERANT ABSORPTION INTO THE LUBRICANT, AS WELL AS BY ASSUMPTIONS CONCERNING SUBCOOLING IN THE CONDENSER. CALCULATED RESULTS OF 4 DIFFERENT KINDS OFCORRELATIONS WERE COMPARED WITH THESE DATA ASSUMING CONSTANT HEAT FLUX OVER THE PIPE IN AXIAL DIRECTION. BEST AGREEMENT IS OBTAINED BY USING TWO MASS-FLUX-DENSITY-DEPENDENT CORRELATION FUNCTIONS.
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Details
- Original title: EXPERIMENTAL VERIFICATION OF LIQUID HOLD-UP PREDICTIONS IN SMALL REFRIGERATION HEAT EXCHANGERS.
- Record ID : 1988-0975
- Languages: English
- Source: Development in refrigeration, refrigeration for development. Proceedings of the XVIIth international Congress of Refrigeration.
- Publication date: 1987/08/24
- Document available for consultation in the library of the IIR headquarters only.
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Indexing
- Themes: Evaporators, condensers and other heat exchangers
- Keywords: Two-phase flow; Calculation; Measurement; Oil; Evaporator; Flow; Condenser; Heat exchanger
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