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eml 3100 heat pump cycle - Thermodynamics VAPOR COMPRESSION...

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1 Thermodynamics VAPOR COMPRESSION REFRIGERATION H. A.. . Ingley PhD,PE Heat Pump Cycle The Ideal Cycle Isentropic compression of a refrigerant with a compressor Constant pressure heat rejection in a condenser heat exchanger Isenthalpic expansion through a throttling device Constant pressure heat addition in an evaporator heat exchanger Three kinds of engineering devices: heat exchanger, piston/cylinder device, throttling valve The same diagram applies as in the refrigeration cycle. In this case a reversing valve changes the flow of refrigerant so that the coil (heat exchanger) in the house becomes the condenser and the coil (heat exchanger) outside becomes the evaporator.
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2 Thermodynamics Heat Pump (same names for components, same locations) 1: condensing unit 2: air handling unit 3: filter box 4: thermostat control H. A.. . Ingley PhD,PE Compressor and condenser Evaporator and throttling valve (also called a TXV)
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3 Thermodynamics Heat Pump Cycle Governing Equations from Conservation of
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