Improved flow pattern map for accurate prediction of the heat transfer coefficients during condensation of R-134a in smooth horizontal tubes and within the low-mass flux range

International Journal of Heat and Mass Transfer

Volumn 52, Issue 25-26, 2009, Pages 5701-5711

  Suliman, R ^a   Liebenberg, L ^a   Meyer, J P ^a  

^a UNIVERSITY OF PRETORIA   (South Africa)

Author keywords

Condensation; Flow pattern; Heat transfer; Refrigerant; Smooth tube

Indexed keywords

CONDENSATION; HEAT TRANSFER; HEAT TRANSFER COEFFICIENTS; POLYOLS; REFRIGERANTS;

ACCURATE PREDICTION; EXPERIMENTAL TEST; HEAT TRANSFER CORRELATION; HORIZONTAL TUBES; INTERMITTENT FLOWS; SATURATION TEMPERATURE; SMOOTH TUBES; TRANSITION REGIONS;

FLOW PATTERNS;

EID: 78751678406     PISSN: 00179310     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijheatmasstransfer.2009.08.017     Document Type: Article

References (33)

1. J.R. Thome, Boiling of new refrigerants: a state-of-the-art review, Int. J. Refrig. 19 (7) (1996) 435-457.
2. L. Liebenberg, A.E. Bergles, J.P. Meyer, A review of refrigerant condensation in horizontal micro-fin tubes, in: Proceedings of the ASME Advanced Energy Systems Division, 2001, pp. 155-168.
3. L. Liebenberg, J.P. Meyer, Refrigerant condensation flow regimes in enhanced tubes and their effect on heat transfer coefficients and pressure drops, Heat Transfer Eng. 29 (6) (2008) 506-520.
4. G. Breber, J.W. Palen, J. Taborek, Prediction of horizontal tube-side condensation of pure components using flow regime criteria, J. Heat Transfer 102 (3) (1980) 471-476.
5. T.N. Tandon, H.K. Varma, C.P. Gupta, A new flow regime map for condensation inside horizontal tubes, J. Heat Transfer 104 (N4) (1982) 763-768.
6. N. Kattan, J.R. Thome, D. Favrat, Measurement and prediction of two-phase flow patterns for new refrigerants inside horizontal tubes, ASHRAE Trans. 101 (1995) 1251-1257.
7. N. Kattan, J.R. Thome, D. Favrat, Boiling of R-134a and R-123 in a microfin tube, in: Proceedings of the 19th Int. Congr. of Refrigeration, The Hague, Netherlands, 1995, pp. 337-344.
8. N. Kattan, J.R. Thome, D. Favrat, Flow boiling in horizontal tubes. Part 1: Development of a diabatic two-phase flow pattern map, J. Heat Transfer 120 (1) (1998) 140-147. (Pubitemid 28281704)
9. N. Kattan, J.R. Thome, D. Favrat, Flow boiling in horizontal tubes. Part 3: Development of a new heat transfer model based on flow patterns, J. Heat Transfer 120 (1) (1998) 156-165.
10. D.W. Shao, E. Granryd, Flow pattern, heat transfer and pressure drop in flow condensation; Part I: Pure and azeotropic refrigerants, Int. J. HVAC&R Res. 6 (2) (2000) 175-195.
11. A. Cavallini, G. Censi, D. Del Col, L. Doretti, G.A. Longo, L. Rossetto, In-tube condensation of halogenated refrigerants, ASHRAE Trans. 108 (2002) 146-161.
12. J. El Hajal, J.R. Thome, A. Cavallini, Condensation in horizontal tubes, part 1: two-phase flow pattern map, Int. J. Heat Mass Transfer 46 (18) (2003) 3349-3363.
13. J.G. Collier, J.R. Thome, Convective Boiling and Condensation, Clarendon Press, Oxford, 1994.
14. D. Steiner, Heat transfer to boiling saturated liquids, in: Verein Deutscher Ingenieure (Ed.), VDI-Warmeatlas (VDI Heat Atlas), VDI-Gesellschaft Verfahrenstechnik und Chemieingenieurswesen (GCV), Düsseldorf, 1993.
15. Y. Taitel, A.E. Dukler, A model for predicting flow regime transitions in horizontal and near-horizontal gas-liquid flow, Am. Inst. Chem. Eng. (AIChE) J. 22 (1) (1976) 47-55.
16. S.Z. Rouhani, E. Axelsson, Calculation of volume void fraction in the subcooled and quality region, Int. J. Heat Mass Transfer 13 (2) (1970) 383-393.
17. O. Zürcher, J.R. Thome, D. Favrat, Evaporation of ammonia in a smooth horizontal tube: heat transfer measurements and predictions, J. Heat Transfer 121 (1) (1999) 89-101.
18. J.R. Thome, J. El Hajal, A. Cavallini, Condensation in horizontal tubes, part 2: new heat transfer model based on flow regimes, Int. J. Heat Mass Transfer 46 (18) (2003) 3365-3387.
19. J.R. Thome, Update on advances in flow pattern based two-phase heat transfer models, Exp. Therm. Fluid Sci. 29 (3) (2005) 341-349.
20. A. Cavallini, D.D. Col, L. Doretti, M. Matkovic, L. Rosetto, C. Zilio, Condensation in horizontal smooth tubes: a new heat transfer model for heat exchanger design, Heat Transfer Eng. 27 (8) (2006) 31-38.
21. K. Cho, S.J. Tae, Condensation heat transfer for R-22 and R-407C refrigerant-oil mixtures in a microfin tube with a U-bend, Int. J. Heat Mass Transfer 44 (11) (2001) 2043-2051.
22. ASHRAE, ASHRAE Standard 41.4: method for measurement of proportion of lubricant in liquid refrigerant, American Society for Heating, Refrigeration, and Air-conditioning Engineers, 2006.
23. S.J. Kline, F.A. McCintock, Describing uncertainties in single-sample experiments, Mech. Eng. 75 (1953) 3-8.
24. REFPROP, NIST thermodynamic properties of refrigerants and refrigerant mixtures (REFPROP), Version 8.0, NIST Standard Reference Database 23, National Institute of Standards and Technology, Gaithersburg, MD, 2005.
25. XProps, Thermal Analysis Partners, University of Maryland, MD, 2006. Available from: 〈http://www.thermalanalysispartners.com〉
26. J.A. Olivier, L. Liebenberg, J.R. Thome, J.P. Meyer, Heat transfer, pressure drop, and flow pattern recognition during condensation inside smooth, helical micro-fin and herringbone tubes, Int. J. Refrig. 30 (4) (2007) 609-623.
27. D.W. Shao, E. Granryd, Heat transfer and pressure drop of R-134a-oil mixtures in a horizontal condensing tube, Int. J. Refrig. 18 (8) (1995) 524-533.
28. L.M. Schlager, M.B. Pate, A.E. Bergles, Evaporation and condensation of refrigerant-oil mixtures in a smooth tube and micro-fin tube, ASHRAE Trans. 94 (1988) 149-166.
29. B. Sur, N.Z. Azer, Effect of oil on heat transfer and pressure drop during condensation of refrigerant-113 inside smooth and internally finned tubes, ASHRAE Trans. 97 (1991) 365-373.
30. S.J. Eckels, M.B. Pate, In-tube evaporation and condensation of refrigerant-lubricant mixtures of HFC134a and CFC12, ASHRAE Trans. 97 (1991) 62-70.
31. A. Cavallini, D. Del Col, G.A. Longo, L. Rossetto, Experimental investigation on condensation heat transfer and pressure drop of new HFC refrigerants (R134a,R125, R32, R410A, R236ea) in a horizontal tube, Int. J. Refrig. 24 (1) (2001) 73-87.
32. W. Nusselt, Die oberachenkondensation des wasserdampfes, Z. Ver. Dt. Ing. 60 (1916) 541-546. 569-575.
33. A. Cavallini, G. Censi, D. Del Col, L. Doretti, G.A. Longo, L. Rossetto, C. Zilio, Condensation inside and outside smooth and enhanced tubes- a review of recent research, Int. J. Refrig. 26 (4) (2003) 373-392.