Heat Pump System Modeling

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Heat Pump System in GT – Suite© IAV · 10/2012 · oka · VI-E22 16
Subcooling [K]Determination of Refrigerant Charge201510TestSimulationConventional systemBoundary conditions• Ambient temperature: 40 °C• Ambient humidity: 40 %• Air flow heater core: 480 kg/h• Air flow radiator: 1600 kg/h• Compressor speed: 4000 U/min• EXV target SH: 5 K50500 550 600 650 700 750 800 850Refrigerant charge [g]No subcooling track in thesystemNo subcooling plateauThe optimal refrigerantcharge is at the kink at 700 gSC SubcoolingSH Superheat© IAV · 10/2012 · oka · VI-E22 17
Page 2 and 3: Power [kW] / Waste heat flow [kW]Mo
Page 4 and 5: Pressure [bar]Motivation for Heat P
Page 6 and 7: RadiatorHCHVHConcept for a New Heat
Page 9 and 10: Compressor power [kW]Refrigerant Co
Page 11 and 12: Modeling a BPHE as a CondenserNusse
Page 14 and 15: Modeling a BPHE as a EvaporatorNuss
Page 18 and 19: Power [kW]Validation of the Heat Pu
Page 20 and 21: Heat flow [kW]Validation of the Hea
Page 22: Thank youOleg KaplanIAV GmbHDomagks

Heat Pump System Modeling

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