Transcritical CO2 heat pump systems

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Transcritical CO2 heat pump systems ( transcritical-co2-heat-pump-systems )

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J. Sarkar et al. / Energy Conversion and Management 46 (2005) 2053–2067 2067 [4] Aprea C, de Rossi F, Greco A, Renno C. Refrigeration plant exergetic analysis varying the compressor capacity. Int J Energy Res 2003;27:653–69. [5] Cornelissen RL, Hirs GG. Thermodynamic optimisation of a heat exchanger. Int J Heat Mass Transfer 1999;42:951–9. [6] Robinson DM, Groll EA. Efficiencies of transcritical CO2 cycles with and without an expansion turbine. Int J Refrig 1998;21(7):577–89. [7] Srinivasan K, Lim YK, Ho JC, Wijeysundera NE. Exergy analysis of carbon dioxide vapour compression refrigeration cycle using the new fundamental equation of state. Energy Convers Mgmt 2003;44(20):3267–78. [8] Fartaj A, Ting DSK, Wang WW. Second law analysis of the transcritical CO2 refrigeration cycle. Energy Convers Mgmt 2004;45:2269–81. [9] Sarkar J, Bhattacharyya S, Ramgopal M. Optimization of a transcritical CO2 heat pump cycle for simultaneous cooling and heating applications. Int J Refrig 2004;27(8):830–8. [10] Ortiz TM, Li D, Groll EA. Evaluation of the performance potential of CO2 as a refrigerant in air-to-air air conditioners and heat pumps: system modelling and analysis. ARTI final report 2003; no. 21CR/610-10030. [11] Fang X, Bullard CW, Hrnjak PS. Heat transfer and pressure drop of gas coolers. ASHRAE Trans 2001:255–66. [12] Pitla SS, Groll EA, Ramadhyani S. New correlation to predict the heat transfer coefficient during in-tube cooling of turbulent supercritical CO2. Int J Refrig 2002;25:887–95. [13] Boewe DE, Bullard CW, Yin JM, Hrnjak PS. Contribution of internal heat exchanger to transcritical R744 cycle performance. ASHRAE Trans 2001:189–98. [14] Span R, Wagner W. A new equation of state for carbon dioxide covering the fluid region from triple point temperature to 1100 K at pressure up to 800 MPa. J Phys Chem Ref Data 1996;25:1509–96. [15] Vesovic V, Wakeham WA, Olchowy GA, Sengers JV, Watson JTR, Millat J. The transport properties of carbon dioxide. J Phys Chem Ref Data 1990;19:763–808. [16] Personal communication with Giacomo Pisano of Mario Dorin, Italy. [17] Stegou-Sagia A, Paignigiannis N. Exergy losses in refrigeration systems. A study for performance comparisons in compressor and condenser. Int J Energy Res 2003;27:1067–78. All in-text references underlined in blue are linked to publications on ResearchGate, letting you access and read them immediately.

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CO2 Organic Rankine Cycle Experimenter Platform The supercritical CO2 phase change system is both a heat pump and organic rankine cycle which can be used for those purposes and as a supercritical extractor for advanced subcritical and supercritical extraction technology. Uses include producing nanoparticles, precious metal CO2 extraction, lithium battery recycling, and other applications... More Info

Heat Pumps CO2 ORC Heat Pump System Platform More Info

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