Experimental Study of Model Size Effects on Cavitation and Ventilation of Surface-Piercing Struts.
Abstract
An experimental program was conducted in the Lockheed Underwater Missile Facility to determine the effect of model size on the cavitation and ventilation of vertically, surface-piercing struts. The struts tested had chord lengths of 0.5, 1.0, and 2.0 ft., were manufactured to the same section profile, and were tested at a nominal submergence of one chord length. Tests were conducted at speeds from 17 to 32 fps for yaw angles ranging from 4 to 8 degrees. The sideforce and drag were measured and are presented for cavitating conditions preceeding ventilation inception and for fully-ventilated conditions. Motion pictures of the flow were used to determine quantitative features of the cavitation, spray sheet, and the mechanism of ventilation inception.
Document Details
- Document Type
- Technical Report
- Publication Date
- Nov 01, 1970
- Accession Number
- ADA006672
Entities
People
- Ray L. Kramer
- Robert L. Waid
Organizations
- Lockheed Martin Missiles and Space