Effects of Refrigerant Charge in the Output of a CO₂ Heat Pump

References

• Agrawal , N. and Bhattacharyya , S. 2011 . Experimental investigations on adiabatic capillary tube in a transcritical CO2 heat pump system for simultaneous water cooling and heating . International Journal of Refrigeration , 34 : 476 – 483 . (doi:10.1016/j.ijrefrig.2010.09.014)
   Google Scholar
• Austin , B. T. and Sumathy , K. 2011 . Transcritical carbon dioxide heat pump systems: a review . Renewable and Sustainable Energy Reviews , 15 : 4013 – 4029 . (doi:10.1016/j.rser.2011.07.021)
   Web of Science ®Google Scholar
• Bensafi , A. and Thonon , B. 2007 . “ Transcritical R744 (CO2) heat pumps ” . In Technician's Manual , Villeurbanne Cedex : Centre Technique Des Industries Aérauliques Et Thermiques .
   Google Scholar
• Cho , H. , Ryu , C. , Kim , Y. and Kim , H. Y. 2005 . Effects of refrigerant charge amount on the performance of a transcritical CO2 heat pump . International Journal of Refrigeration , 28 : 1266 – 1273 . (doi:10.1016/j.ijrefrig.2005.09.011)
   Web of Science ®Google Scholar
• Fernandez , N. , Hwang , Y. and Radermacher , R. 2010 . Comparison of CO2 heat pump water heater performance with baseline cycle and two high COP cycles . International Journal of Refrigeration , 33 : 635 – 644 . (doi:10.1016/j.ijrefrig.2009.12.008)
   Web of Science ®Google Scholar
• Hashimoto , K. 2006 . Technology and market development of CO2 heat pump water heaters (ECO CUTE) in Japan .
   Google Scholar
• Huai , X. L. , Koyama , S. and Zhao , T. S. 2005 . An experimental study of flow and heat transfer of supercritical carbon dioxide in multi-port mini channels under cooling conditions . Chemical Engineering Science , 60 : 3337 – 3345 . (doi:10.1016/j.ces.2005.02.039)
   Web of Science ®Google Scholar
• Hwang , Y. and Radermacher , R. 1998 . Theoretical evaluation of carbon dioxide refrigeration cycle . HVAC&R Research , 4 : 245 – 263 . (doi:10.1080/10789669.1998.10391403)
   Web of Science ®Google Scholar
• Kim , M.-H. , Pettersen , J. and Bullard , C. W. 2004 . Fundamental process and system design issues in CO2 vapor compression systems . Progress in Energy and Combustion Science , 30 : 119 – 174 . (doi:10.1016/j.pecs.2003.09.002)
   Web of Science ®Google Scholar
• Lorentzen , G. 1994 . Revival of carbon dioxide as a refrigerant . International Journal of Refrigeration , 17 : 292 – 301 . (doi:10.1016/0140-7007(94)90059-0)
   Web of Science ®Google Scholar
• Mohanraj , M. , Jayaraj , S. and Muraleedharan , C. 2009 . Environment friendly alternatives to halogenated refrigerants—a review . International Journal of Greenhouse Gas Control , 3 : 108 – 119 . (doi:10.1016/j.ijggc.2008.07.003)
   Web of Science ®Google Scholar
• Nekså , P. 2002 . CO2 heat pump systems . International Journal of Refrigeration , 25 : 421 – 427 . (doi:10.1016/S0140-7007(01)00033-0)
   Web of Science ®Google Scholar
• Nekså , P. , Rekstad , H. , Zakeri , G. R. and Schiefloe , P. A. 1998 . CO2-heat pump water heater: characteristics, system design and experimental results . International Journal of Refrigeration , 21 : 172 – 179 . (doi:10.1016/S0140-7007(98)00017-6)
   Web of Science ®Google Scholar
• Saikawa , M. , Hashimoto , K. , Kobayakawa , T. , Kusakari , I. T.O. and Sakakibara , H. 2000 . Development of Prototype of CO₂ Heat Pump Water Heater for Residential Use , Paris : Institut International du Froid .
   Google Scholar
• Sarkar , J. 2005 . Transcritical Carbon Dioxide Heat Pumps for Simultaneous Cooling and Heating , DPhil thesis, Indian Institute of Technology
   Google Scholar
• Sarkar , J. , Bhattacharyya , S. and Gopal , M. R. 2004 . Optimization of a transcritical CO2 heat pump cycle for simultaneous cooling and heating applications . International Journal of Refrigeration , 27 : 830 – 838 . (doi:10.1016/j.ijrefrig.2004.03.006)
   Web of Science ®Google Scholar
• Sarkar , J. , Bhattacharyya , S. and Ram Gopal , M. 2009 . Irreversibility minimization of heat exchangers for transcritical CO2 systems . International Journal of Thermal Sciences , 48 : 146 – 153 . (doi:10.1016/j.ijthermalsci.2008.02.007)
   Google Scholar
• Stene , J. 2007 . “ Integrated CO2 heat pump systems for space heating and hot water heating in low-energy houses and passive houses ” . In International Energy Agency (IEA) Heat Pump Programme , Kyoto, Japan : International Energy Agency .
   Google Scholar
• Tamura , T. , Yakumaru , Y. and Nishiwaki , F. 2005 . Experimental study on automotive cooling and heating air conditioning system using CO2 as a refrigerant . International Journal of Refrigeration , 28 : 1302 – 1307 . (doi:10.1016/j.ijrefrig.2005.09.010)
   Google Scholar