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TECHNICAL PAPERS

Modified General Equation for the Design of Capillary Tubes

[+] Author and Article Information
C. L. Zhang, G. L. Ding

Institute of Refrigeration and Cryogenics, Shanghai Jiaotong University, Shanghai 200030, China

J. Fluids Eng 123(4), 914-919 (Jun 25, 2001) (6 pages) doi:10.1115/1.1411970 History: Received November 03, 2000; Revised June 25, 2001
Copyright © 2001 by ASME
Topics: Equations , Design , Viscosity
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References

ASHRAE, 1988, ASHRAE Handbook—1988 Equipment, American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc., Atlanta, pp. 19.21-19.30.
Kuehl,  S. J., and Goldschmidt,  V. W., 1991, “Modeling of Steady Flows of R-22 through Capillary Tubes,” ASHRAE Trans., 97, Part 1, pp. 139–148.
Li,  R. Y., Lin,  S., and Chen,  Z. H., 1990, “Numerical Modeling of Thermodynamic Non-Equilibrium Flow of Refrigerant through Capillary Tubes,” ASHRAE Trans., 96, Part 1, pp. 542–549.
Escanes,  F., Perez-Segarra,  C. D., and Oliva,  A., 1995, “Numerical Simulation of Capillary-Tube Expansion Devices,” Int. J. Refrig., 18, pp. 113–122.
Bittle,  R. R., and Pate,  M. B., 1996, “A Theoretical Model for Predicting Adiabatic Capillary Tube Performance with Alternative Refrigerants,” ASHRAE Trans., 102, Part 2, pp. 52–64.
Chung,  M., 1998, “A Numerical Procedure for Simulation of Fanno Flows of Refrigerants or Refrigerant Mixtures in Capillary Tubes,” ASHRAE Trans., 104, Part 2, pp. 1031–1042.
Sami,  S. M., and Tribes,  C., 1998, “Numerical Prediction of Capillary Tube Behavior with Pure and Binary Alternative Refrigerants,” Appl. Therm. Eng., 18, pp. 491–502.
Jung,  D., Park,  C., and Park,  B., 1999, “Capillary Tube Selection for HCFC22 Alternatives,” Int. J. Refrig., 22, pp. 604–614.
Bansal,  P. K., and Rupasinghe,  A. S., 1996, “An Empirical Correlation for Sizing Capillary Tubes,” Int. J. Refrig., 19, pp. 497–505.
Bittle, R. R., Wolf, D. A., and Pate, M. B., 1998, “A Generalized Performance Prediction Method for Adiabatic Capillary Tubes,” HVAC&R Research, 4 , pp. 27–43.
Chen,  S. L., Liu,  C. H., and Jwo,  C. S., 1999, “On the Development of Rating Correlations for R134a Flowing through Adiabatic Capillary Tubes,” ASHRAE Trans., 105, Part 2, pp. 75–86.
Melo,  C., Ferreira,  R. T. S., Neto,  C. B., Goncalves,  J. M., and Mezavila,  M. M., 1999, “An Experimental Analysis of Adiabatic Capillary Tubes,” Appl. Therm. Eng., 19, pp. 669–684.
Yilmaz,  T., and Ünal,  S., 1996, “General Equation for the Design of Capillary Tubes,” ASME J. Fluids Eng., 118, pp. 150–154.
Chisholm, D., 1983, Two-Phase Flow in Pipelines and Heat Exchangers, Longman Inc., New York, pp. 77–91.
Churchill,  S. W., 1977, “Frictional Equation Spans All Fluid Flow Regions,” Chem. Eng., 84, No. 24, pp. 91–92.
Cicchitti,  A., Lombardi,  C., Silvestri,  M., Soldaini,  G., and Zavattarelli,  R., 1960, “Two-Phase Cooling Experiments—Pressure Drop, Heat Transfer, and Burnout Measurements,” Energ. Nucl. (Milan), 7, pp. 407–425.
McAdams,  W. H., Wood,  W. K., and Bryan,  R. L., 1942, “Vaporization inside Horizontal Tubes-II-Benzene-Oil Mixtures,” Trans. ASME, 64, pp. 193.
Dukler,  A. E., Wicks,  M., and Cleveland,  R. G., 1964, “Frictional Pressure Drop in Two-Phase Flow–Part A and B,” AIChE J., 10, No. 1, pp. 38–51.
Wijaya, H., 1992, “Adiabatic Capillary Tube Test Data for HFC-134a,” Proc. The IIR-Purdue Refrigeration Conference, West Lafayette, Ind., Vol. 1, pp. 63–71.

Figures

Grahic Jump Location
Schematic of throttling process
Grahic Jump Location
Computer model flow chart
Grahic Jump Location
Melo et al. 12 data versus predictions
Grahic Jump Location
Wijaya 19 data versus predictions
Grahic Jump Location
Li et al. 3 data versus predictions

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