Uploaded March 2020 | Updated September 2026, 1 week ago

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In the vapor-compression refrigeration cycle, a "refrigerant" alternately absorbs and rejects heat as it circulates through four components - an evaporator, compressor, condenser, and metering device - changing pressure, temperature, and phases along the way. This interactive online course discusses different types of refrigeration systems and their components. It also discusses metering devices, compressors, and non-condensable gases.