HYDRODYNAMIC ANALYSIS OF PROPELLERS IN STEADY FLOW USING A SURFACE PANEL METHOD, 2ND REPORT: FLOW FIELD AROUND PROPELLER

The hydrodynamic modeling of the trailing vortex wake of a propeller is one of the most important factors in developing a propeller theory. A variety of trailing vortex wake models have been proposed, but details of geometrical features have not been known clearly. In the present study, flow fields around the propeller are precisely measured in a cavitation tunnel by use of a 3-component Laser Doppler Velocimeter (LDV). Based on the experimental finding that the pitch of the tip vortices is smaller that that of the helical trailing vortex sheets, a new wake model of trailing vortices is proposed to improve the existing surface panel methods for hydrodynamic analysis of the propeller. The flow fields around propeller are then calculated by using the improved surface panel method, and it is shown that the predicted flow fields around the propeller are in good agreement with the measured ones.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/05148499
• Supplemental Notes:
  • Journal article
• Authors:
  • Hoshino, T
• Publication Date: 1989-12

Media Info

• Features: References;
• Pagination: 14 p.
• Serial:
  • Journal of the Society of Naval Architects of Japan
  • Volume: 166
  • ISSN: 0514-8499

Subject/Index Terms

• TRT Terms: Flow; Hydrodynamics; Mathematical models; Racing; Velocity; Vortices
• Uncontrolled Terms: Models; Steady flow
• Old TRIS Terms: Panel method; Propeller flow; Trailing vortices; Velocity distribution
• Subject Areas: Hydraulics and Hydrology; Marine Transportation;

Filing Info

• Accession Number: 00659821
• Record Type: Publication
• Source Agency: Maritime Technical Information Facility
• Files: TRIS
• Created Date: Jul 21 1994 12:00AM