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EFFECTS OF INLET DISTORTIONS ON PERFORMANCE CHARACTERISTICS OF A CENTRIFUGAL COMPRESSOR. INVESTIGATIONS CONCERNING THE UNSTABLE PHENOMENON.

[In Japanese. / En japonais.]

Author(s) : OOKITA A., MASUDA S., ARIGA I.

Type of article: Article

Summary

SOME PARTS OF BLADES IN THE NONUNIFORM FLOW THROUGH THE IMPELLER ARE EXPECTED TO WORK UNDER MORE UNFAVORABLE CONDITION THAN IN THE UNIFORM FLOW. AT THE FIRST STEP, THE FLOW BEHAVIOUR IN THE UNSTABLE OPERATING RANGE IS MEASURED, AND NEXT, INFORMATION ON STALL ONSET FOR EACH DISTORTION PATTERN IS CORRELATED TO THE LOCAL FLOW PARAMETERS. THE ROTATING STALL ONSET IS PROMOTED BY RADIAL DISTORTIONS AND RESTRAINED BY CIRCUMFERENTIAL DISTORTIONS. IN THE FORMER CASE, IT IS CONTROLLED BY THE CHARACTERISTIC PARAMETERS RELATED TO LOW FLOW REGION, BUT IN THE LATTER, IT IS AFFECTED BY HIGH FLOW REGION. (BULL. JSME, JP., 29, N 254, 1986/08, 2734.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 1987-0913
  • Languages: Japanese
  • Source: Trans. JSME - n. 472.
  • Publication date: 1986

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