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Experimental Study on Stall Inception in a High-Speed Centrifugal Compressor (I) - inception Type -
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 Title & Authors
Experimental Study on Stall Inception in a High-Speed Centrifugal Compressor (I) - inception Type -
Gang, Jeong-Sik; Gang, Sin-Hyeong;
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 Abstract
Stall inception in a high-speed centrifugal compressor has been examined. The main objective was to find stall precursor and to develop a reliable stall warning method. Eight equally spaced fast-response pressure transducers in the inducer detected the spatial structure of small amplitude perturbations, via spatial Fourier transform, as stall is approached. Near the stall inception point, the phase of spatial courier coefficients increased linearly with the speed of impeller relation for several impeller revolutions at all test speeds, and the spectrum at impeller frequency increased as stall is approached. These are the clear evidences that the impeller frequency participates in the stalling process.
 Keywords
Stall Inception;Centrifugal Compressor;
 Language
Korean
 Cited by
1.
입구 안내익 영향으로 인한 원심 압축기 성능특성 시험연구,차봉준;박종호;

한국유체기계학회 논문집, 2002. vol.5. 3, pp.46-53 crossref(new window)
2.
스톨 근처에서 원심압축기 임펠러의 내부 유동현상에 관한 연구,음학진;강신형;

대한기계학회논문집B, 2004. vol.28. 3, pp.330-337 crossref(new window)
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