A Theory for Cavitation in Impellers.

Abstract

An approximate theory for cavitation in pump impellers is developed on the basis of a one-dimensional potential flow model. The theory incorporates the unsteady term occurring in Bernoulli's equation and accounts for blockage effects due to vane thickness. A comparison of the theoretical results with experimental data from mixed flow impeller tests shows good agreement near the condition of zero incidence. On the basis of the theoretical results a mechanism of cavitation breakdown is proposed. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Jul 01, 1977
Accession Number
ADA044395

Entities

People

  • C. J. Garrison

Organizations

  • Naval Postgraduate School

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Agreements
  • Applied Mechanics
  • Cavitation
  • Civil Engineering
  • Coefficients
  • Engineering
  • Experimental Data
  • Flow
  • Geometry
  • Leading Edges
  • Mechanical Engineering
  • Potential Flow
  • Pressure Gradients
  • Pressure Measurement
  • Steady Flow
  • Thickness
  • Vapor Pressure

Readers

  • Fluid Dynamics.
  • Tribology (the study of the boundary interaction between sliding surfaces, lubrication, wear and friction).