4Jian Min Yin,Clark W. Bullard,Predrag S. Hrnjak. R744 gas cooler model development and vadilation [J]. Int. J. Refrigeration, 2001, 24 (7): 692- 701.
5Sarkar J. Souvik Bhattacharyya, M. Ram Gopal. Simulation of a transcritical CO2 heat pump cycle for simuhaneous cooling and heating applications[J]. Int. J. Refrigeration, 2006,29 (5) : 735-743.
6VDI. VDI Wa rmeatlas: Berechnungsbla tter fur den Wa rmeubergang, 7. huflage, VDI Verlag, Dilsseldorf, Germany, 1994.
7Pitla SS, Groll EA, Ramadhyani S. New correlation to predict the heat transfer coefficient during in-tube cooling of turbulent supercritieal carbon dioxide [J].Int. J. Refrigeration,2002,25 (7) : 887-895.
8Seok Ho Yoon, Ju Hyok Kim. Yun Wook Hwang et al. Heat transfer and pressure drop eharucteristics during the in-tube cooling process of carbon dioxide in the supercritical region[J]. Int. J. Refrigeration, 2003, 26 (8) : 857-864.
9Ren Rieberer. CO2 working fluid for heat pumps[ D]. Graz :University of Technology, Austria, 1998.
10Incropera FP, DeWitt DP. Introduction to heat transfer,3rd ed[M]. New York: John Wiley & Sons, 1996.
