Pressure drop and flashing mechanisms in refrigerant expansion devices

International Journal of Refrigeration

Volumn 26, Issue 7, 2003, Pages 840-848

  Simoes Moreira J R ^a   Bullard, C W ^b  

^a UNIVERSITY OF SÃO PAULO   (Brazil)

^b UNIVERSITY OF ILLINOIS AT URBANA CHAMPAIGN   (United States)

Author keywords

Direct expansion; Phase change; Refrigerant

Indexed keywords

NOZZLES; ORIFICES; PRESSURE DROP; REFRIGERANTS; THERMAL EXPANSION; TWO PHASE FLOW;

DIRECT EXPANSION;

REFRIGERATING MACHINERY;

EID: 0042361820     PISSN: 01407007     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0140-7007(03)00070-7     Document Type: Article

References (23)

1. Kim Y., O'Neal D.L. A semi-empirical model of two-phase flow of refrigerant-134-a through short tube orifices. Experimental Thermal and Fluid Science. 9(4):1994;426-435.
2. Singh G.M., Hrnjak P.S., Bullard C.W. Semi-empirical model of refrigerant R134a flow through orifice tubes. International Journal of HVAC&R Research. 7(3):2001;245-262.
3. Rodarte E, Singh G, Miller N, Hrnjak P. Noise generation from expansion devices in refrigerant. SAE paper
4. Rodarte E., Singh G., Miller N., Hrnjak P. Sound attenuation in tubes due to visco-thermal effects. Journal of Sound and Vibration. 231(5):2000;1221-1242.
5. Bittle R.R., Pate M.B. A theoretical model for predicting adiabatic capillary tube performance with alternative refrigerants. ASHRAE Transactions. 102(2):1996;52-64.
6. Liu Y., Bullard C.W. Diabatic flow instabilities in capillary tube suction line heat exchangers. ASHRAE Transaction. 106(1):2000;517-523.
7. Bittle R.R., Carter J.A., Oliver J.V. Extended insight into the metastable liquid region behaviour in an adiabatic capillary tube. International Journal of HVAC&R Research, ASHRAE. 7(2):2001;107-123.
8. Meyer J.J., Dunn W.E. New Insights into the behavior of the metastable region of an operating capillary tube. Int. Journal of HVAC&R Research. 4(1):1998;105-115.
9. Kitamura Y., Morimitsu H., Takahashi T. Critical superheat for flashing of superheated liquid jets. Industrial and Eng. Chemistry Fundamentals. 25(2):1986;206-211.
10. Wildgen A, Straub J. An investigation of boiling phenomena in superheated free jets. In: Proceedings of the 8th International Heat Transfer Conference - IHTC, vol. 5, San Francisco, CA, 1986. p. 2251-6.
11. Reitz R.D. A photographic study of flash-boiling atomization. Aerosol Science and Technology. 12:1990;561-569.
12. Kurschat Th., Chaves H., Meier G.E.A. Complete adiabatic evaporation of highly superheated liquid jets. Journal of Fluid Mechanics. 236:1992;43-59.
13. Park B.S., Lee S.Y. An experimental investigation of the flashing atomization mechanism. Atomization and Sprays. 4:1994;159-179.
14. Athans RE. The rapid expansion of near-critical retrograde fluid. PhD thesis, Rensselaer Polytechnic Institute, New York, 1995.
15. Simões-Moreira J.R., Vieira M.M., Angelo E. Highly expanded flashing liquid jets. Journal of Thermophysics and Heat Transfer. 16(3):2002;415-424.
16. Oza DR, Sinnamon JF. An experimental and analytical study of flash-boiling fuel injection. International Congress & Exposition - SAE Technical Paper Series. Michigan: 1983 [paper # 830590].
17. Peter E.M., Takimoto A., Hayashi Y. Flashing and shattering phenomena of superheated liquid jets. JSME International Journal. 37(2):1994;313-321.
18. Vieira MM, Guimarães MS, Simões-Moreira JR. An experimental study on flashing jets (Estudo Experimental de Jatos Evaporativos). In: ENCIT 2000 - Brazilian Congress on Thermal Engineering and Science, Porto Alegre, RS, Brazil, 2000 [in Portuguese].
19. Pasqua P.F. Metastable flow of Freon-12. Refrigerating Engineering. 61:1953;1084-1089.
20. Kim Y., O'Neal D.L. An experimental study of two-phase flow of HFC-134a through short tube orifices. Heat Pump and Refrigeration Systems Design, Analysis, and Applications. AES-ASME. 29:1993;1-8.
21. Simões-Moreira J.R. Oblique evaporation waves. Shock Waves - An International Journal on Shock Waves, Detonations and Explosions. 10(4):2000;229-234.
22. Simões-Moreira J.R., Shepherd J. Evaporation waves in superheated dodecane. Journal of Fluid Mechanics. 382:1999;63-86.
23. Angelo E, Simões-Moreira JR. A numerical study on flashing jets (Estudo Numérico de Jatos Evaporativos) In: ENCIT 2000 - Brazilian Congress on Thermal Engineering and Science, Porto Alegre, RS, Brazil, 2000 [in Portuguese].