Fundamentals of refrigeration

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Refrigeration engineering describes the removal of heat from an enclosed space which is to be cooled. In a compression refrigeration system, refrigerant flows through the four main components compressor, condenser, expansion valve and evaporator, thereby undergoing various state changes.

ET 350 Changes of state in the refrigeration circuit

ET 400 Refrigeration circuit with variable load

ET 411C Compression refrigeration system

ET 915 HSI training system refrigeration and air conditioning technology, base unit

ET 915.01 Refrigerator model

ET 915.02 Model of a refrigeration system with refrigeration and freezing stage

ET350 Changes of state in the refrigeration circuit