EFFECTS OF VISCOELASTICITY ON CAVITATION IN DRAG REDUCING FLUIDS

This report presents the results of an experimental study of the viscoelastic effect of polymers on cavitation inception, using a blow-down water tunnel. Results showed a reduction of up to 60% in the incipient cavitation parameter which indicates a definite inhibition of the cavitation inception of a submerged body in flows of dilute polymer solutions. According to the present data, it is believed that this incipient flow-cavitation suppression by polymers is a real effect of considerable magnitude, effective over a large range of flow velocities and object sizes.

• Supplemental Notes:
  • Presented at a NBS meeting, Boulder, Colo., Oct. 31-Nov. 2, 1973.
• Corporate Authors:

  National Bureau of Standards

  Department of Commerce
  Washington, DC  United States  20234
• Authors:
  • Ting, R E
• Publication Date: 1974

Media Info

• Features: References;
• Pagination: p. 100-105

Subject/Index Terms

• TRT Terms: Additives; Cavitation (Mechanics); Cavitation erosion; Polymers
• Old TRIS Terms: Polymer additives
• Subject Areas: Design; Marine Transportation;

Filing Info

• Accession Number: 00057792
• Record Type: Publication
• Source Agency: Engineering Index
• Report/Paper Numbers: Special Publ. #394
• Files: TRIS
• Created Date: Oct 22 1974 12:00AM