Two-phase pressure drop of refrigerants during flow boiling in small channels : an experimental investigation and correlation development.
Conference
·
OSTI ID:12396
Two-phase flow pressure drop measurements were made during a phase-change heat transfer process with three refrigerants (R-134a, R-12, and R-113) at six different pressures ranging from 138 kPa to 856 kPa, and in two sizes of round tubes (2.46 mm and 2.92 mm inside diameters) and one rectangular channel (4.06 x 1.7 mm). State-of-the-art large-tube correlations failed to satisfactorily predict the experimental data. The data were used to develop a new correlation for two-phase pressure drop during flow boiling in small channels. The correlation was then tested against the experimental data for the three refrigerants; the error was {+-}20%.
- Research Organization:
- Argonne National Lab., IL (US)
- Sponsoring Organization:
- US Department of Energy (US)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 12396
- Report Number(s):
- ANL/ET/CP-98230; TRN: AH200120%%325
- Resource Relation:
- Conference: Conference on Compact Heat Exchangers and Enhancement Technology for the Process Industries, Banff, Alberta (CA), 07/18/1999--07/23/1999; Other Information: PBD: 19 Jan 1999
- Country of Publication:
- United States
- Language:
- English
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