Effects of diffuser vane geometries on compressor performance and noise characteristics in a centrifugal compressor

Yohei Morita, Nobumichi Fujisawa, Takashi Goto, Yutaka Ohta

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

The effects of the diffuser vane geometries on the compressor performance and noise characteristics of a centrifugal compressor equipped with vaned diffusers were investigated by experiments and numerical techniques. Because we were focusing attention on the geometries of the diffuser vane's leading edge, diffuser vanes with various leading edge geometries were installed in a vaned diffuser. A tapered diffuser vane with the tapered portion near the leading edge of the diffuser's hub-side could remarkably reduce both the discrete frequency noise level and broadband noise level. In particular, a hub-side tapered diffuser vane with a taper on only the hub-side could suppress the development of the leading edge vortex (LEV) near the shroud side of the diffuser vane and effectively enhanced the compressor performance.

Original languageEnglish
Title of host publicationASME 2013 Fluids Engineering Division Summer Meeting, FEDSM 2013
DOIs
Publication statusPublished - 2013 Dec 1
EventASME 2013 Fluids Engineering Division Summer Meeting, FEDSM 2013 - Incline Village, NV, United States
Duration: 2013 Jul 72013 Jul 11

Publication series

NameAmerican Society of Mechanical Engineers, Fluids Engineering Division (Publication) FEDSM
Volume1 B
ISSN (Print)0888-8116

Conference

ConferenceASME 2013 Fluids Engineering Division Summer Meeting, FEDSM 2013
CountryUnited States
CityIncline Village, NV
Period13/7/713/7/11

ASJC Scopus subject areas

  • Mechanical Engineering

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  • Cite this

    Morita, Y., Fujisawa, N., Goto, T., & Ohta, Y. (2013). Effects of diffuser vane geometries on compressor performance and noise characteristics in a centrifugal compressor. In ASME 2013 Fluids Engineering Division Summer Meeting, FEDSM 2013 [V01BT10A011] (American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FEDSM; Vol. 1 B). https://doi.org/10.1115/FEDSM2013-16145