Condensation heat transfer of R-134a inside a microfin tube with different tube inclinations

International Journal of Heat and Mass Transfer

Volumn 50, Issue 23-24, 2007, Pages 4864-4871

  Akhavan Behabadi, M A ^a   Kumar, Ravi ^a   Mohseni, S G ^a  

^a UNIVERSITY OF TEHRAN   (Iran)

Author keywords

Condensation; Heat transfer; Inclination; Microfin tube; Two phase flow

Indexed keywords

FLOW OF FLUIDS; HEAT TRANSFER; TWO PHASE FLOW;

INCLINATION ANGLE; MICROFIN TUBE;

CONDENSATION;

CONDENSATION; FLOW OF FLUIDS; HEAT TRANSFER; TWO PHASE FLOW;

EID: 34748882040     PISSN: 00179310     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijheatmasstransfer.2007.02.030     Document Type: Article

References (16)

1. Agrawal K.N., Kumar R., Lal S.N., and Varma H.K. Heat transfer augmentation by segmented tape inserts during condensation of R-22 inside a horizontal tube. ASHRAE Transact. 110 (2004) 143-150
2. Kumar R., Agrawal K.N., Lal S.N., and Varma H.K. An experimental study on condensation enhancement of R-22 by the turbulence promoter. ASHRAE Transact. 111 (2005) 18-25
3. Behabadi M.A.A., Salimpore M.R., Kumar R., and Agrawal K.N. Augmentation of forced convection condensation heat transfer inside a horizontal tube using spiral spring inserts. J. Enhanc. Heat Transfer 12 4 (2005) 373-384
4. Chamra L., Webb R., and Randlett M. Advanced microfin tubes for condensation. Int. J. Heat Mass Transfer 39 9 (1996) 1839-1846
5. Schlager L.M., Pate M.B., and Bergles A.E. Heat transfer and pressure drop performance of smooth and internally finned tubes with oil and refrigerant 22 mixtures. ASHRAE Transact. 95 2 (1989) 375-385
6. Jung D., Cho Y., and Park K. Flow condensation heat transfer coefficients of R22, R134a, R407C, and R410A inside plain and microfin tubes. Int. J. Refrig. 27 (2004) 25-32
7. Said S.A., and Azer N.Z. Heat transfer and pressure drop during condensation inside horizontal finned tubes. ASHRAE Transact. 89 1 (1983) 114-134
8. American Society of Heating Refrigerating and Air-conditioning Engineers Handbook, Fundamentals, 2005, p. 20.17.
9. Schultz R.R., and Cole R. Uncertainty analysis in boiling nucleation. Am. Inst. Chem. Eng. Sympos. Ser. 75 189 (1979) 32-38
10. A. Cavallini, L. Doretti, N. Klammsteiner, LG. Longo, L. Rossetto, Condensation of new refrigerants inside smooth and enhanced tubes, in: Proceedings 19th International Congress of Refrigeration, Hague The Netherlands, 1995, pp. 105-114.
11. J. Yu, S. Koyama, Condensation heat transfer of pure refrigerants in microfin tubes, in: Proceedings of International Refrigeration Conference, Purdue, West Lafayette, USA, 1998, pp. 325-330.
12. Shikazono N., Itoh M., Uchida M., Fukushima T., and Hatada T. Predictive equation proposal for condensation heat transfer coefficient of pure refrigerants in horizontal microfin tubes. Transact. Jpn. Soc. Mech. Eng. 64 (1998) 196-203
13. Kedzierski M.A., and Goncalves J.M. Horizontal convective condensation of alternative refrigerants within a microfin tube. J. Enhanc. Heat Transfer 6 (1999) 161-178
14. Wang W.C., Ma X.H., Wei Z.D., and Yu P. Two-phase flow patterns and transition characteristics for in-tube condensation with different surface inclinations. Int. J. Heat Mass Transfer 41 (1998) 4341-4349
15. Royal J.H., and Bergles A.E. Experimental study of the augmentation of horizontal in-tube condensation. ASHRAE Transact. 82 1 (1976) 919-931
16. Jung D., Song K., Cho Y., and Kim S. Flow condensation heat transfer coefficients of pure refrigerants. Int. J. Refrig. 26 (2003) 4-11