The influence of port shape on gas pulsations in a screw compressor discharge chamber

Abstract Gas pulsations in suction and discharge chambers are a significant source of noise in screw compressors. This paper shows how such effects in the discharge chamber are influenced both by the compressor operating conditions and its geometric characteristics. An area function is identified fo...

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Bibliographic Details
Published in:Proceedings of the Institution of Mechanical Engineers. Part E, Journal of process mechanical engineering Journal of process mechanical engineering, 2008-11, Vol.222 (4), p.211-223
Main Authors: Mujic, E, Kovacevic, A, Stosic, N, Smith, I K
Format: Article
Language:English
Subjects:
Air compressors
Applied sciences
Exact sciences and technology
Fluid dynamics
Gas flow
Mechanical engineering. Machine design
Noise
Pump and compressors (turbocompressors, fans, etc.)
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Summary:Abstract Gas pulsations in suction and discharge chambers are a significant source of noise in screw compressors. This paper shows how such effects in the discharge chamber are influenced both by the compressor operating conditions and its geometric characteristics. An area function is identified for the discharge port as an important parameter influencing the gas pulsations and it is shown how their amplitude can be reduced by optimization of the port shape.
ISSN:0954-4089
2041-3009
DOI:10.1243/09544089JPME205