For water-lubricated twin-screw compressors, the estimation of leakage flow remains one of the most important problems related to screw compressor design, performance prediction and improvement. In this.
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[pdf] The Archimedes' screw, also known as the Archimedean screw, hydrodynamic screw, water screw or Egyptian screw, is one of the earliest documented machines. It was so-named after the Greek mathematician who first described it around 234 BC, although the device had been developed in earlier in the century. It is a reversible hydraulic machine that can be operated both as a pump or a power generator.
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