VORTEX INTERACTIONS IN A PROPELLER WAKE

This report concerns the kinematics of the motion of trailing vortex sheets in the wake of a propeller and the dynamics of the tip vortex. The problem is solved numerically for a lifting line wing model and the results applied to propeller theory. Special consideration is given to the subjects of tip vortex cavitation, changes in loading on a blade due to rollup of the trailing vortex sheet, and the trajectory of the tip vortex. Experimental confirmation was obtained for the pressure at which cavitation appeared and the motion of the vortex sheet through testing a hydrofoil in a propeller tunnel. ( Author )

• Corporate Authors:

  Massachusetts Institute of Technology

  Department of Civil Engineering, 77 Massachusetts Avenue
  Cambridge, MA  United States  02139
• Authors:
  • Cummings, Damon E
• Publication Date: 1968-6

Media Info

• Pagination: 102 p.

Subject/Index Terms

• TRT Terms: Cavitation (Mechanics); Cavitation erosion; Propellers; Wakes
• Old TRIS Terms: Wake measurement
• Subject Areas: Marine Transportation; Vehicles and Equipment;

Filing Info

• Accession Number: 00001759
• Record Type: Publication
• Source Agency: Defense Documentation Center
• Report/Paper Numbers: 68-12
• Contract Numbers: NONR184163
• Files: TRIS
• Created Date: Oct 30 1973 12:00AM