Numerical analysis on a microchannel evaporator designed for CO2 air-conditioning systems

Applied Thermal Engineering

Volumn 27, Issue 8-9, 2007, Pages 1320-1326

  Yun, Rin ^a   Kim, Yongchan ^b   Park, Chasik ^b  

^a Hanbat National University   (South Korea)

^b Korea University   (South Korea)

Author keywords

CO2; Design; Evaporator; Microchannel heat exchanger; Modeling

Indexed keywords

AIR CONDITIONING; FINS (HEAT EXCHANGE); HEAT EXCHANGERS; HEAT TRANSFER; MATHEMATICAL MODELS; NUMERICAL ANALYSIS;

HEAT EXCHANGER SIZE; INLET AIR VELOCITY; MICROCHANNEL EVAPORATORS; MICROCHANNEL HEAT EXCHANGERS;

EVAPORATORS;

EID: 33846693982     PISSN: 13594311     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.applthermaleng.2006.10.036     Document Type: Article

References (14)

1. 2 air-conditioning systems. Int. J. Refrigeration 21 (1998) 180-193
2. A.C. Beaver, M.J. Yun, C.W. Bullard, P.S. Hrnjak, An experimental investigation of transcritical carbon dioxide systems for residential air conditioning, ACRC CR-18, 1999.
3. A.C. Kirkwood, Modeling, design, and testing of a microchannel spilt-system air conditioner, MS Thesis, University Illinois, Urbana, IL, 1996.
4. P.S. Hrnjak, Microchannel heat exchangers as evaporators, USNC/IIR Short Course on Analysis and Design of Microchannel Heat Exchangers, Purdue University, July 2000.
5. McQuiston F.C., and Paker J.D. Heating, Ventilating, and Air Conditioning Analysis and Design. fourth ed. (1994), John Wiley & Sons pp. 622-623
6. P.A. Domanski, EVSIM, NISTIR 89-4133, 1989.
7. Chang Y.J., and Wang C.C. A generalized heat transfer correlation for louver fin geometry. Int. J. Heat Mass Transfer 40 (1997) 533-544
8. D. Gorenflo, Pool boiling, in: VDI Gesellschaft Verfahrenstechnic und Chemieingenieurwesen, English translation of VDI, Düsseldorf, 1993, pp. Ha 4-Ha 18.
9. 2 air-conditioning system. Energy 26 (2001) 931-948
10. 2 in mini tubes and microchannels. Microscale Thermophys. Eng. 8 3 (2004) 259-270
11. Lee H.J., and Lee S.Y. An experimental study on pressure drop of boiling flow within horizontal rectangular channels with small heights. Trans. KSME (B) 25 9 (2001) 1219-1226
12. Gungor K.E., and Winterton R.H.S. A general correlation for flow boiling in tubes and annuli. Int. J. Heat Mass Transfer 29 (1986) 351-358
13. Nakayama W., and Xu L.P. Enhanced fins for air-cooled heat exchangers-Heat transfer and friction factor correlations. Proc. ASME-JSME Thermal Eng. Conf. 1 (1983) 495-502
14. Lockhart R.W., and Martinelli R.C. Proposed correlation of data for isothermal two-phase, two-component flow in pipes. Chem. Eng. Prog. 45 1 (1949) 39-48