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Surge and rotating stall occurring in a centrifugal compressor system are investigated by using a phaseportrait reconstruction method. From experimentally measured time series of data, the method clari-fied the cyclic behavior of surge. For rotating stall, there still remain problems in the phase portraitdue to the chaotic behavior. However, the results obtained by the present method are able to providenew insights to the modelings for surge and rotating stall. Surge and rotating stall occurring in acentrifugal compressor system are investigated by using a phase portrait reconstruction method. Fromexperimentally measured time series of data, the method clarified the cyclic behavior of surge. Forrotating stall, there still remain problems in the phase portrait due to the chaotic behavior. However,the results obtained by the present method are able to provide new insights to the modelings for surgeand rotating stall.
Surge and rotating stall occurring in a centrifugal compressor system are investigated by using a phaseportrait reconstruction method. From experimentally measured time series of data, the method clari-fied the cyclic behavior of surge. However, the results obtained by the present method are able to provide new insights to the modelings for surge and rotating stall. series of data, the method clarified the cyclic behavior of surge. Forrotating stall, there still remain the problems in the phase portrait due to the chaotic behavior. rotating stall.