Development of turbulent impinging jet on a rotating disk

Y. Minagawa, Shinnosuke Obi

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

We conduct detailed velocity measurements in the turbulent boundary layer, which is developed on a rotating disk opposed to a turbulent jet perpendicularly impinged onto it. The effect of rotation is remarkable in both the skew in the mean flow and in the centrifugal force. We propose a non-dimensional parameter that correlates these two effects and classifies the velocity field. We find the modification of the turbulence structure due to the disk rotation in the increase of the normal stress component in the circumferential direction. The increases in the other stress components are found to be indirect, i.e., re-distribution from the circumferential normal stress is the source of modification in the turbulence structure.

Original languageEnglish
Pages (from-to)759-766
Number of pages8
JournalInternational Journal of Heat and Fluid Flow
Volume25
Issue number5
DOIs
Publication statusPublished - 2004 Oct

Fingerprint

turbulent jets
rotating disks
Rotating disks
Turbulence
turbulence
centrifugal force
turbulent boundary layer
velocity measurement
Velocity measurement
Boundary layers
velocity distribution

Keywords

  • Centrifugal force
  • Impinging jet
  • LDA
  • Turbulence boundary layer

ASJC Scopus subject areas

  • Fluid Flow and Transfer Processes
  • Mechanical Engineering

Cite this

Development of turbulent impinging jet on a rotating disk. / Minagawa, Y.; Obi, Shinnosuke.

In: International Journal of Heat and Fluid Flow, Vol. 25, No. 5, 10.2004, p. 759-766.

Research output: Contribution to journalArticle

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