How Heat Pumps Work - ADVANCED (design data)

The video tutorial explains the operation of heat pumps in heating and cooling modes, focusing on the roles of the evaporator and condenser. It provides a schematic representation of the heat pump circuit, detailing the flow of refrigerant through components like the compressor and expansion valve. The tutorial also covers the properties of refrigerant at different stages, using temperature and pressure charts to illustrate changes. Finally, it offers a technical overview of the heat pump's operation, including calculations of pressure, temperature, entropy, and enthalpy.

What is the significance of the expansion valve in the heat pump cycle?

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How does the temperature and pressure change as the refrigerant moves from stage .2 to stage .3?

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Discuss the differences in refrigerant properties between heating and cooling modes.

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