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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Veröffentlicht 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
Hauptverfasser:	Mujic, E, Kovacevic, A, Stosic, N, Smith, I K
Format:	Artikel
Sprache:	eng
Schlagworte:	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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Beschreibung
Zusammenfassung:	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