An experimental evaluation of capillary tube-suction line heat exchanger performance with R-152a
Conference
·
OSTI ID:87385
- Texas Christian Univ., Fort Worth, TX (United States)
- Iowa State Univ., Ames, IA (United States)
Capillary tube-suction line heat exchanger performance correlations predicting mass flow rate and effective subcooling have been generated for refrigerant R-152a for application to household refrigerators. These prediction correlations were developed from experimental data taken over a range of applicable operating boundary conditions and heat exchanger geometries. Due to the large number of variables that could potentially influence heat exchanger performance, statistical methods were employed in designing the test plan and in reducing the data. For these experiments, the measured mass flow rate ranged between 6.5 and 15.5 lbm (2.95 and 7.03 kg/h), and the effective subcooling level ranged between 25 F and 50 F (13.9 C and 27.8 C). A comparison of the R-152a results to experimental data for R-12 was also made.
- OSTI ID:
- 87385
- Report Number(s):
- CONF-950104--
- Country of Publication:
- United States
- Language:
- English
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