The effect of rotor tip clearance on stall inception in an axial compressor

Shinichi Yoshida, Masahiro Inoue, Motoo Kuroumaru, Hiroki Doumen, Masato Furukawa

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The effect of tip clearance on the transient process of rotating stall evolution in the axial compressor stage with three stator-rotor gaps was investigated experimentally by the pressure traces on the casing wall. The measurement of the pressure field on the casing wall covering the rotor and the velocity distribution behind the rotor with a slanted hot wire were performed near the stall point to clarify the effect of the rotor tip clearance on the flow field. In the case of small clearance, the stall evolution depends on the stator-rotor gap. However, in the case of large clearance, there is little difference of the stall evolution among three gaps. From the measurement of the pressure and velocity field near the stall point, it seems that breakdown of tip leakage vortex occurs in the case of large clearance for three different gaps. It is supported from the axial velocity distribution at the rotor exit. From the pressure field traces just before the stall, we can find the distinctive flow phenomenon like rotating instability which was found previously by März, et al. The tip vortex plays a very important role for stall inception.

Original languageEnglish
Pages (from-to)1155-1162
Number of pages8
JournalNippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume69
Issue number681
DOIs
Publication statusPublished - Jan 1 2003

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turbocompressors
clearances
rotors
Compressors
Rotors
pressure distribution
casing
velocity distribution
stators
Velocity distribution
Stators
Vortex flow
rotating stalls
vortices
Flow fields
flow distribution
coverings
leakage
breakdown
wire

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanical Engineering

Cite this

The effect of rotor tip clearance on stall inception in an axial compressor. / Yoshida, Shinichi; Inoue, Masahiro; Kuroumaru, Motoo; Doumen, Hiroki; Furukawa, Masato.

In: Nippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B, Vol. 69, No. 681, 01.01.2003, p. 1155-1162.

Research output: Contribution to journalArticle

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