Upward branching of two-phase refrigerant in a parallel flow minichannel heat exchanger

Experimental Thermal and Fluid Science

Volumn 51, Issue , 2013, Pages 189-203

  Kim, Nae Hyun ^a   Byun, Ho Won ^a   Sim, Yong Sub ^a  

^a SolarLight Ltd   (South Korea)

Author keywords

Flow distribution; Header; Heat exchanger; Inlet configuration

Indexed keywords

BRAZED ALUMINUM HEAT EXCHANGERS; FLOW DISTRIBUTION; GAS DISTRIBUTION; HEADER; INLET CONFIGURATION; MINICHANNEL HEAT EXCHANGERS; OPERATING VARIABLES; VISUALIZATION RESULTS;

ALUMINUM; BRAZING; HEAT EXCHANGERS; INTAKE SYSTEMS; REFRIGERANTS; TUBES (COMPONENTS);

LIQUIDS;

EID: 84884703757     PISSN: 08941777     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.expthermflusci.2013.07.014     Document Type: Article

References (28)

1. Kulkarni T., Bullard C.W., Cho K. Header design tradeoffs in microchannel evaporators. Appl. Therm. Eng. 2004, 24:759-776.
2. Webb R.L., Chung K. Two-phase flow distribution in tubes of parallel flow heat exchangers. Heat Transf. Eng. 2004, 26:3-18.
3. P.S. Hrnjak, Flow distribution issues in parallel flow heat exchangers, ASHRAE Annual Meeting, AN-04-1-2, 2004.
4. S.Y. Lee, Flow distribution behaviour in condensers and evaporators, in: Proceedings of the 13th International Heat Transfer Conference, KN-08, Sydney, Australia, 2006.
5. Ahmad M., Berthoud G., Mercier P. General characteristics of two-phase flow distribution in a compact heat exchanger. Int. J. Heat Mass Trans. 2009, 52:442-450.
6. Kim N.-H., Kim D.-Y., Byun H.-W. Effect of inlet configuration on the refrigerant distribution in a parallel flow minichannel heat exchanger. Int. J. Refrig. 2011, 34:1209-1221.
7. Kim N.-H., Byun H.-W. Effect of inlet configuration on upward branching of two-phase refrigerant in parallel flow heat exchanger. Int. J. Refrig. 2013, 36:1062-1077.
8. Watanabe M., Katsuda M., Nagata K. Two-phase flow distribution in multi-pass tube modeling serpentine type evaporator. ASME/JSME Therm. Eng. Conf. 1995, 2:35-42.
9. Vist S., Pettersen J. Two-phase flow distribution in compact heat exchanger manifolds. Exp. Therm. Fluid Sci. 2004, 28:209-215.
10. S. Koyama, A.T. Wijayanta, K. Kuwahara, S. Ikuda, Developing two-phase flow distribution in horizontal headers with downward micro-channel branches, in: Proceedings of the 11th Int. Refrigeration and Air Conditioning Conference at Purdue, R142, 2006.
11. C.S. Bowers, P.S. Hrnjak, T.A. Newell, Two-phase refrigerant ibution in a micro-channel manifold, in: Proceedings of the 11th Int. Refrigeration and Air Conditioning Conference at Purdue, R161, 2006.
12. H. Cho, K. Cho, Y. Kim, Mass flow rate distribution and phase separation of R-22 in multi-microchannel tubes under adiabatic condition, in: Proceedings of 1st Int. Conf. Microchannels and Minichannels, 2003, pp. 527-533.
13. Hwang Y., Jin D.-H., Radermacher R. Refrigerant distribution in minichannel evaporator manifolds. HVAC&R Res. 2007, 13(4):543-555.
14. Kline S.J., McClintock F.A. The description of uncertainties in single sample experiments. Mech. Eng. 1953, 75:3-9.
15. Bajura R.A., Jones E.H. Flow distribution manifolds. J. Fluids Eng. 1976, 98:654-665.
16. Wang J. Theory of flow distribution in manifolds. Chem. Eng. J. 2011, 168:1331-1345.
17. Lu F., Luo Y., Yang S. Analytical and experimental investigation of flow distribution in manifolds for heat exchangers. J. Hydrodyn. 2008, 20(2):179-185.
18. Data A.B., Majumdar A.K. A calculation procedure for two phase flow distribution in manifolds with and without heat transfer. Int. J. Heat Mass Trans. 1983, 26(9):1321-1328.
19. Ablanque N., Oliet C., Rigola J., Perez-Segarra C.D., Oliva A. Two-phase flow distribution in multiple parallel tubes. Int. J. Therm. Sci. 2010, 49:909-921.
20. Seeger W., Reimann J., Muller U. Two-phase flow in a T-junction with a horizontal inlet, part 1: phase separation. Int. J. Multiphase Flow 1986, 12(4):575-585.
21. Hwang S.T., Soliman H.M., Lahey R.T. Phase separation in dividing two-phase flow. Int. J. Multiphase Flow 1988, 14(4):439-458.
22. Tuo H., Bielskus A., Hrnjak P.S. An experimentally validated modeling of refrigerant distribution in a parallel microchannel evaporator. ASHRAE Trans. 2012, 118(1). CH-12-C-48.
23. Zou Y., Hrnjak P.S. Experiment and visualization on R-134a upward flow in the vertical header of microchannel heat exchanger and its effect on distribution. Int. J. Heat Mass Trans. 2013, 62(2013):124-134.
24. Datafit, Version 8.2, Oakdale Engineering, <. http://www.oakdaleengr.com/.
25. Zhang M., Webb R.L. Correlation of two-phase friction for refrigerants in small-diameter tubes. Exp. Therm. Fluid Sci. 2001, 25:131-139.
26. Friedel L. Improved pressure drop correlations for horizontal and vertical two-phase pipe flow. 3R Int. 1979, 18:485-492.
27. Collier J.G., Thome J.R. Convective Boiling and Condensation 1994, Oxford University Press. third ed.
28. Zivi S.M. Estimation of steady-state steam void fraction by means of the principle of minimum entropy production. J. Heat Trans. 1964, 86:247-252.