Tags: Screw Compressors

HVAC Single screw compressors

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HVAC Single screw compressors

A single screw compressor is shown in Fig. 9-77. The compression process starts with the rotors meshed at the inlet port of the compressor. The rotors turn. The lobes separate at the inlet port, increasing the volume between the lobes. This increased volume causes a reduction in pressure. Thus, drawing in the refrigerant gas. The …

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HVAC Screw Compressors

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Screw compressors operate more or less like pumps, and have continuous flow refrigerant compared to reciprocals. Reciprocal have pulsations. This results in smooth compression with little vibration. Reciprocals, on the other hand, make pulsating sounds and vibrate. They can be very noisy. Screw compressors have almost linear capacity-control mechanisms. That results in excellent part-load performance. …

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