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Secondary Flow in a Cascade of Airfoils


Briceland, Richard Harald (1959) Secondary Flow in a Cascade of Airfoils. Dissertation (Ph.D.), California Institute of Technology. doi:10.7907/EYF1-2Y08.


Secondary flows were studied experimentally in a diffusing cascade. A family of screens were installed ahead of the blade row at the midspan position to produce a controlled distortion of the up-stream velocity profile. In this way it was possible to focus attention on those regions of the flow field which were distant from the tunnel walls and to thereby restrict the investigation to a study of small disturbance phenomena. It was found that the general behavior of the flow at the cascade exit plane was satisfactorily described by a modified channel-theory analysis in which a simple iterative correction was included to account for the spanwise self-transport effects of the induced secondary flows. Two methods are proposed for evaluating the spanwise distribution of blade loading when the approach velocity into the cascade is non-uniform; these methods were tested experimentally and were found to give results which were in good agreement with measured data.

Item Type:Thesis (Dissertation (Ph.D.))
Subject Keywords:(Mechanical Engineering)
Degree Grantor:California Institute of Technology
Division:Engineering and Applied Science
Major Option:Mechanical Engineering
Thesis Availability:Public (worldwide access)
Research Advisor(s):
  • Rannie, W. Duncan
Thesis Committee:
  • Unknown, Unknown
Defense Date:1 January 1959
Record Number:CaltechETD:etd-01312006-134201
Persistent URL:
Default Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:417
Deposited By: Imported from ETD-db
Deposited On:31 Jan 2006
Last Modified:18 Oct 2023 16:36

Thesis Files

PDF (Briceland_rh_1959.pdf) - Final Version
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