Frost, defrost, and refrost and its impact on the air-side thermal-hydraulic performance of louvered-fin, flat-tube heat exchangers

International Journal of Refrigeration

Volumn 29, Issue 7, 2006, Pages 1066-1079

  Xia, Y ^a   Zhong, Y ^a   Hrnjak, P S ^a   Jacobi, A M ^a  

^a University of Illinois at Urbana Champaign   (United States)

Author keywords

Air cooler; Defrost; Experiment; Finned tube; Frost formation; Heat exchanger; Heat transfer; Pressure drop

Indexed keywords

DEFROSTING; FROST EFFECTS; HEAT TRANSFER; PRESSURE DROP; REFRIGERATORS; THERMODYNAMICS;

AIR COOLERS; FINNED TUBES; FROST FORMATION; GEOMETRY EFFECTS;

HEAT EXCHANGERS;

EID: 33748047178     PISSN: 01407007     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijrefrig.2006.03.005     Document Type: Article

References (23)

1. Kondepudi S.N., and O'Neal D.L. Effects of frost growth on extended surface heat exchanger performance - a review. ASHRAE Trans. 93 2 (1987) 258-274
2. Kondepudi S.N., and O'Neal D.L. Effect of frost growth on the performance of louvered finned tube heat exchangers. Int. J. Refrigeration 12 (1989) 151-158
3. P. Verma, D.M. Carlson, Y. Wu, P.S. Hrnjak, C.W. Bullard, Experimentally validated model for frosting of plain-fin-round-tube heat exchangers, in: Proceedings of the 2002 International Conference of New Technologies in Commercial Refrigeration at University of Illinois at Urbana-Champaign, 2002, pp. 152-162.
4. Tassou S.A., and Marquand C.J. Effects of evaporator frosting and defrosting on the performance of air-to-water heat pumps. Appl. Energy 28 (1987) 19-33
5. Machielsen C.H.M., and Kerschbaumer H.G. Influence of frost formation and defrosting on the performance of air coolers: standards and dimensionless coefficients for the system designer. Int. J. Refrigeration 12 (1989) 283-290
6. Yan W.-M., Li H.-Y., and Tsay Y.-L. Thermofluid characteristics of frosted finned-tube heat exchangers. Int. J. Heat Mass Transfer 48 (2005) 3073-3080
7. M. Itoh, H. Kogure, S. Yoshinaga, R. Hoshino, N. Wakabayashi, M. Kudoh, H. Kusumoto Study on parallel-flow-type heat exchangers for residential heat pump systems, in: Proceedings of the 1996 JAR Annual Conference, 1996, pp. 73-76 (in Japanese).
8. J. Kim, E.A. Groll, Performance comparisons of a unitary split system using microchannel and fin-tube outdoor coils, part II: heating test, in: Proceedings of the 2002 International Refrigeration and Air Conditioning Conference at Purdue, vol. I, 2002, pp. 249-256.
9. Carlson D.M., Hrnjak P.S., and Bullard C.W. Deposition, Distribution, and Effects of Frost on a Multi-row Heat Exchanger Performance. ACRC TR-183 (2001), University of Illinois, Urbana-Champaign
10. ASHRAE. Standard 33-Methods of Testing Forced Circulation Air Cooling and Air Heating Coils. (ANSI approved) (2000)
11. Xia Y., and Jacobi A.M. Air-side data interpretation and performance analysis for heat exchangers with simultaneous heat and mass transfer: wet and frosted surfaces. Int. J. Heat Mass Transfer 48 25-26 (2005) 5089-5102
12. Xia Y., and Jacobi A.M. An exact solution to steady heat conduction in a two-dimensional slab on a one-dimensional fin: application to frosted heat exchangers. Int. J. Heat Mass Transfer 47 14/16 (2004) 3317-3326
13. Bowman R.A., Mueller A.C., and Nagle W.M. Mean temperature difference in design. Trans. ASME 62 4 (1940) 283-294
14. Lee K.S., Kim W.S., and Lee T.H. A one-dimensional model for frost formation on a cold flat surface. Int. J. Heat Mass Transfer 40 18 (1997) 4359-4365
15. Shah R.K., and London A.L. Laminar Flow Forced Convection in Ducts - A Source Book for Compact Heat Exchanger Analytical Data (1978), Academic Press, New York
16. Hwang C.L., and Fan L.T. Finite difference analysis of forced-convection heat transfer in entrance region of a flat rectangular duct. Appl. Sci. Res. Section A 13 (1964) 401-422
17. Kays W.M., and London A.L. Compact Heat Exchangers. second ed. (1964), McGraw-Hill, Inc.
18. Östin R., and Anderson S. Frost growth parameters in a forced air stream. Int. J. Heat Mass Transfer 34 4/5 (1991) 1009-1017
19. Hayashi Y., Aoki A., and Yuhara H. Study of frost formation based on a theoretical model of the frost layer. Heat Transfer Jpn. Res. 6 3 (1977) 79-94
20. Chang Y.-J., and Wang C.-C. A generalized heat transfer correlation for louver fin geometry. Int. J. Heat Mass Transfer 40 3 (1997) 533-544
21. P. Wibulswas, Laminar-flow heat-transfer in non-circular ducts. PhD thesis, London University, London, 1966.
22. W.J. McLaughlin, R.L. Webb, Condensate drainage and retention in louver fin automotive evaporators 2000, SAE Technical Paper Series, No. 2000-01-0575.
23. Zhong Y., Joardar A., Gu Z., Park Y.-G., and Jacobi A.M. Dynamic dip testing as a method to assess the condensate drainage behavior from the air-side surface of compact heat exchangers. Exp. Therm. Fluid Sci. 29 (2005) 957-970