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M Pitarch-Mocholi, E Navarro-Peris, J Gonzalvez-Macia, JM Corberan / 12th IEA Heat Pump Conference (2017) O.1.9.3 given support. Part of the work presented was carried by Miquel Pitarch-Mocholí with the financial support of the Phd scholarship from the Universitat Politècnica de València. References [1] European Directive 2009/28/EC of The European Parliament and of The Council. eur-lex.europa.eu [2] Sarbu I. A review on substitution strategy of non-ecological refrigerants from vapour compression-based refrigeration, air-conditioning and heat pump systems. Int. J. Refrigeration 46 (2014) 123-141. [3] ECO-CUTE project, http://www.r744.com/assets/link/enEX_ecocute.pdf, (Last acceded: 05-02-2015) [4] Rieberer R, Kasper G, Halozan J. CO2-a Chance for once through Heat Pump Heaters, CO2 Technology in Refrigeration, Heat Pumps and Air Conditioning Systems. IEA Heat Pump Centre, Trondheim, Norway, 1997. [5] Nekså P, Rekstad H, Zakeri GR, Schiefloe PA. CO2-heat pump water heater: characteristics, system design and experimental results. Int. J. Refrigeration 21(3) (1998) 172-179. [6] Nekså P. CO2 heat pump systems. Int. J. Refrigeration 25(4) (2002) 421-427. [7] Cecchinato L, Corradi M, Fornasieri E, Zamboni L. Carbon dioxide as refrigerant for tap water heat pumps: a comparison with the traditional solution. Int. J. Refrigeration 28(8) (2005) 1250-1258. [8] Pitarch M, Navarro-Peris E, Gonzálvez-Maciá J, Montagud C, Corberan JM. Influence of Water Lift Temperature in Transcritical and Subcritical Refrigerants. In: VII Congreso Ibérico de Ciencias y Técnicas del Frío, Tarragona, Spain, 2014. [9] Kauf F. Determination of the optimum high pressure for transcritical CO2-refrigeration cycles. International Journal of Thermal Sciences 38(4) (1999), 325-330. [10] Chen Y, Gu J. The optimum high pressure for CO2 transcritical refrigeration systems with internal heat exchangers. Int. J. Refrigeration 28(8) (2005), 1238-1249. [11] Sarkar J, Bhattacharyya S, Ram Gopal M. Optimization of a transcritical CO2 heat pump cycle for simultaneous cooling and heating applications. Int. J. Refrigeration 27 (2004) 830-838. [12] Quantum: http://quantumenergy.com.au/products/solar-heat-pumps-ac6-energy-efficient-hot-water- systems/ . (Last accessed: 30-05-2016) [13] Justo Alonso M, Stene J. IEA Heat Pump Programme Annex 32. Umbrella Report, System Solutions, Design Guidelines. Prototype System and Field Testing, 2010. [14] Fernando P, Palm B, Lundqvist P, Granryd E. Propane heat pump with low refrigerant charge: design and laboratory tests. Int. J. Refrigeration 27 (2004) 761-773. [15] Corberán JM, Martínez-Galván I, Gonzálvez-Maciá J. Charge optimization study of a reversible water-to- water propane heat pump. Int. J. Refrigeration 31 (2008) 716–726. [16] Corberán JM, Martínez-Galván I, Martínez-Ballester S, Gonzálvez-Maciá J, Royo-Pastor R. Influence of the source and sink temperatures on the optimal refrigerant charge of a water-to-water heat pump. Int. J. Refrigeration 34 (2011) 881-892. [17] Choi JM, Kim YC. Influence of the expansion device on the performance of a heat pump using R407C under a range of charging conditions. Int. J. Refrigeration 27 (2004) 378-384. [18] Redón A, Navarro-Peris E, Pitarch M, Gonzálvez-Macia J, Corberán JM. Analysis and optimization of subcritical two-stage vapor injection heat pump systems. Applied Energy, 124 (2014) 231-240. [19] Pitarch M, Navarro-Peris E, Gonzálvez-Maciá J, Corberan JM. Experimental study of a subcritical heat pump booster for sanitary hot water production using a subcooler in order to enhance the efficiency of the system with a natural refrigerant (R290). Int. J. Refrigeration, (In press) Doi: 10.1016/j.ijrefrig.2016.08.017. [20] Gong G, Zeng W, Wang L, Wu C. A new heat recovery technique for air-conditioning/heat-pump system. Applied Thermal Engineering 28 (2008) 2360-2370. [21] Pitarch M, Navarro-Peris E, Gonzálvez-Maciá J, Corberan JM. Experimental study of a propane heat pump with high subcooling in the condenser for sanitary hot water production. Applied Thermal Engineering, (under revision) [22] IMST-ART: Simulation tool to assist the selection, design and optimization of refrigerator (v3.70), http://www.imstart.com. (Last accessed: 07-07-2016) [23] Corberán JM, Gonzálvez J, Montes P, Blasco R. ‘ART’ A Computer Code to Assist the Design of Refrigeration and A/C Equipment. In: International Refrigeration and Air Conditioning Conference (Purdue University). Paper 570, 2002. 12PDF Image | Comparative analysis of two subcritical heat pump boosters using subcooling
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