Lecture
This lecture covers the role of compressors in driving heat pump cycles, emphasizing the direct impact of compressor efficiency on cycle performance. It discusses the classification of compressors into positive displacement and dynamic types, detailing various subtypes such as reciprocating, rotary, centrifugal, and axial compressors. The focus is on double-acting piston compressors, explaining their components and operational areas. The lecture also highlights the preference for positive displacement machines in small capacities and dynamic compressors in high capacities.