Non-Newtonian Effects on Flow Generated Cavitation and on Cavitation in a Pressure Field.

Abstract

Observations are presented which show that the stresses in a flow field of a very dilute polymer are not well enough described by the Navier-Stokes equations to accurately predict cavitation. The constitutive equation for the particular polymer and concentration used is needed. The second-order fluid form in which accelerations are relatively important appears capable of explaining observed cavitation suppression by changing the pressure field due to flow. Bubble dynamics in stationary dilute polymer solutions are also examined and found to be little different from those in water. (Author)

Document Details

Document Type
Technical Report
Publication Date
Sep 01, 1970
Accession Number
AD0728853

Entities

People

  • Albert T. Ellis
  • Robert Y. Ting

Organizations

  • University of California, San Diego

Tags

DTIC Thesaurus Topics

  • Bubbles
  • Cavitation
  • Constitutive Equations
  • Differential Equations
  • Dynamics
  • Equations
  • Flow
  • Flow Fields
  • Mathematics
  • Navier Stokes Equations
  • Observation
  • Partial Differential Equations
  • Stationary

Readers

  • Fluid Dynamics.