Heat Pump System Modeling

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Pressure [bar]Motivation for Heat Pump Investigationsaturated vaporsaturated liquidSpec. heaterpower.Q• Use of the environment as a heatsource at low temperature levels• Use of further waste heat producerslike EM, PE, as a heat sourceThe use of a heat pump makes aCOP of 3 or higher possibleHeat pump system is superior toconventional electric heaters..QSpec.compressorpowerEnthalpy [kJ/kg]P fluidEM Electric MotorPE Power ElectronicCOP Coefficient Of Performance© IAV · 10/2012 · oka · VI-E22 4
RadiatorHCHVHConcept for a New Heat Pump DesignPEEMBPHE 1 BPHE 2P 2PECUPower electronicsCharging unitP 1CUDCD/CEMDC/DC-converterElectric motorTHCV 1CV 2HCHeater coreEXV 1EXV 2HVCHigh voltage heaterElectrically driven pumpSOV 4ReceiverSOV 3Electric expansion valveCheck valveElectrically drivenrefrigerant compressorSOV 1EDRCSOV 2Brazed plateheat exchangerShut-off valveThermostat© IAV · 10/2012 · oka · VI-E22 5
Page 2 and 3: Power [kW] / Waste heat flow [kW]Mo
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 16 and 17: Heat Pump System in GT - Suite© IA
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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