Experimental study of in-tube cooling heat transfer and pressure drop characteristics of R134a at supercritical pressures

Experimental Thermal and Fluid Science

Volumn 35, Issue 7, 2011, Pages 1293-1303

  Zhao, Chen Ru ^a   Jiang, Pei Xue ^a  

^a Tsinghua University   (China)

Author keywords

Cooling; Frictional pressure drop; Heat transfer coefficient; R134a; Supercritical pressures

Indexed keywords

COOLING FLOWS; EMPIRICAL CORRELATIONS; EXPERIMENTAL DATA; EXPERIMENTAL STUDIES; FLOW AND HEAT TRANSFER; FRICTIONAL PRESSURE DROP; FRICTIONAL PRESSURE DROPS; HEAT TRANSFER AND PRESSURE DROP CHARACTERISTICS; HEAT TRANSFER DATA; HORIZONTAL TUBES; INNER DIAMETERS; MEASURED DATA; MEASURED RESULTS; NEW CORRELATIONS; R134A; REFRIGERANT TEMPERATURE; SUPERCRITICAL CO; SUPERCRITICAL PRESSURES; TEST SECTIONS; THERMO-PHYSICAL PROPERTY; VISCOSITY VARIATIONS;

CARBON DIOXIDE; COOLING; FRICTION; HEAT TRANSFER COEFFICIENTS; PRESSURE DROP; REFRIGERANTS; STAINLESS STEEL; THERMODYNAMIC PROPERTIES;

TUBES (COMPONENTS);

EID: 79961011219     PISSN: 08941777     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.expthermflusci.2011.04.017     Document Type: Article

References (35)

1. Angelino G., Invernizzi C. Supercritical heat pump cycles. Int. J. Refrig. 1994, 17(8):543-554.
2. Wang F.K., Guo R. Analysis of transcritical R116 heat pump system. Cryog. Supercond. 2009, 37(7):62-65.
3. Wang F.K., Guo R. Analysis of transcritical R23 heat pump system. Cryog. Supercond. 2009, 37(10):44-47.
4. Gu Z.L., Sato H. Performance of supercritical cycles for geothermal binary design. Energy Convers. Manage. 2002, 43:961-971.
5. Jong K.K., Hong K.J., Joon S.L. Wall temperature measurement and heat transfer correlation of turbulent supercritical carbon dioxide flow in vertical circular/non-circular tubes. Nucl. Eng. Des. 2007, 237:1795-1802.
6. Bae Y.Y., Kim H.Y., Kang D.J. Forced and mixed convection heat transfer to supercritical CO2 vertically flowing in a uniformly-heated circular tube. Exp. Therm Fluid Sci. 2010, 34:1295-1308.
7. Li Z.H., Jiang P.X., Zhao C.R., Zhang Y. Experimental investigation of convection heat transfer of CO2 at supercritical pressures in a vertical circular tube. Exp. Therm Fluid Sci. 2010, 34:1162-1171.
8. Jiang P.X., Zhang Y., Zhao C.R., Shi R.F. Convection heat transfer of CO2 at supercritical pressures in a vertical mini tube at relatively low reynolds numbers. Exp. Therm Fluid Sci. 2008, 32:1628-1637.
9. Petukhov B.S. Heat transfer and friction in turbulent pipe flow with variable physical properties. Adv. Heat Transfer 1970, 6:504-564.
10. Hall W.B. Heat Transfer near the critical point. Adv. Heat Transfer 1971, 7:1-86.
11. J.D. Jackson, W.B. Hall, J. Fewster, A. Watson, M.J. Watts, Heat transfer to supercritical pressure fluids, U.K.A.E.A. A.E.R.E.-R 8158, Design Report 34, 1975.
12. Kurganov V.A., Kaptilnyi A.G. Flow structure and turbulent transport of a supercritical pressure fluid in a vertical heated tube under the conditions of mixed convection, experimental data. Int. J. Heat Mass Transfer 1993, 36(13):3383-3392.
13. Kurganov V.A. Heat exchange and flow resistance of supercritical pressure fluid in tubes. Part 1: Special characteristics of thermal-physical properties of liquids, hydrodynamics and heat exchange. Regimes of normal heat transfer. Teploenergetika 1998, (3):2-10. (in Russian).
14. J. Pettersen, R. Rieberer, A. Leister, Heat transfer and pressure drop characteristics of supercritical carbon dioxide in microchannel tubes under cooling, in: Proceedings of 4th IIR-Gustav Lorentzen Conference on Natural Working Fluids in Purdue, Joint Conference of the International Institute of Refrigeration, Section B and E, 2000, pp. 99-106.
15. Liao S.M., Zhao T.S. An experimental investigation of convection heat transfer to supercritical carbon dioxide in miniature tubes. Int. J. Heat Mass Transfer 2002, 45:5025-5034.
16. Dang C.B., Hihara E. In-tube cooling of supercritical carbon dioxide. Part 1. Experimental measurement. Int. J. Refrig. 2004, 27:736-747.
17. Yoon S.H., Kim J.H., Hwang Y.W., Kim M.S., Min K., Kim Y. Heat transfer and pressure drop characteristics during the in tube cooling process of carbon dioxide in the supercritical region. Int. J. Refrig. 2003, 26:857-864.
18. Jiang P.X., Zhao C.R., Shi R.F., Chen Y., Ambrosini W. Experimental and numerical study of convection heat transfer of CO2 at super-critical pressures during cooling in small vertical tube. Int. J. Heat Mass Transfer 2009, 52(21-22):4748-4756.
19. A.P. Zingerli, E.A. Groll, Influence of refrigeration oil on the heat transfer and pressure drop of super-critical CO2 during in tube cooling, in: Proceedings of the Fourth IIR-Gustav Lorentzen Conference, Purdue, IN, 2000, pp. 269-278.
20. Yun R., Hwang Y., Radermacher R. Convection gas cooling heat transfer and pressure drop characteristics of super-critical CO2/oil mixture in a minichannel tube. Int. J. Heat Mass Transfer 2007, 50:4796-4804.
21. Dang C.B., Iino K., Hihara E. Study on two-phase flow pattern of super-critical carbon dioxide with entrained PAG-type lubricating oil in a gas cooler. Int. J. Refrig. 2008, 31:1265-1272.
22. Zhao C.R., Jiang P.X., Zhang Y.W. Flow and convection heat transfer characteristics of CO2 mixed with lubricating oil at super-critical pressures in small tube during cooling. Int. J. Refrig. 2011, 34:29-39.
23. Huai X.L., Koyama S., Zhao T.S. An experimental study of flow and heat transfer of supercritical carbon dioxide in multi-port mini channels under cooling conditions. Chem. Eng. Sci. 2005, 60:3337-3345.
24. Son C.H., Park S.J. An experimental study on heat transfer and pressure drop characteristics of carbon dioxide during gas cooling process in a horizontal tube. Int. J. Refrig. 2005, 27:736-747.
25. Krasnoshchekov E.A., Protopopov V.S. Experimental study of heat exchange in carbon dioxide in the super-critical range at high temperature drops. Teplofizika Vysokikh Temperature 1966, 4(3):389-398. (in Russian).
26. Baskov V.L., Kuraeva I.V., Protopopov V.S. Heat transfer with the turbulent flow of a liquid at super-critical pressure in tube under cooling condition. Teplofizika Vysokikh Temperature 1977, 15(1):96-102.
27. Petrov N.E., Popov V.N. Heat transfer and resistance of carbon being cooled in the supercritical region. Therm. Eng. 1985, 32(3):131-134.
28. Pitla S.S., Groll E.A., Ramadhyani S. New correlation to predict the heat transfer coefficient during in-tube cooling of turbulent supercritical CO2. Int. J. Refrig. 2002, 25:887-895.
29. Kuang G., Ohadi M., Dessiatoun S. Semi-empirical correlation of gas cooling heat transfer of supercritical carbon dioxide in microchannels. HVAC&R Res. 2008, 14(6):861-870.
30. Dobson M.K., Chato J.C. Condensation in smooth horizontal tubes. J. Heat Trans. ASME 1998, 120:193-213.
31. L. Tang, Empirical study of new refrigerant flow condensation inside horizontal smooth and micro-fin tubes. University of Maryland at College Park, Ph.D. thesis, 1997, p. 251.
32. Cavallini A., Censi G., Del Col D., Doretti L., Longo G.A., Rossetto L. Experimental investigation on condensation heat transfer and pressure drop of new HFC refrigerants (R134a, R125, R32, R410A, R236ea) in a horizontal smooth tube. Int. J. Refrig. 2001, 24:73-87.
33. Parlatan Y., Todreas N.E., Driscoll M.J. Buoyancy and property variation effects in turbulent mixed convection of water in vertical tubes. J. Heat Trans. 1996, 118:381-387.
34. Incropera F.D., DeWitt D.P. Fundamentals of Heat and Mass Transfer 1990, John Wiley and Sons, New York.
35. Gnielinski V. New equation for heat and mass transfer in turbulent pipe and channel flow. Int. Chem. Eng. 1976, 16:359-368.