Experimental Study of High-Speed Hydrofoils. Volume III,

Abstract

This test program was conducted to measure the hydrodynamic characteristics of a series of supercavitating and transcavitating hydrofoil models with various planforms and sections to provide a design procedure to predict hydrodynamic characteristics for this type hydrofoil. Twenty hydrofoil models were tested in the Grumman Whirling Tank at three depths and at a sufficient number of speeds and angles of attack to fully define their hydrodynamic characteristics. Lift, drag, pitching moment, and strut base pressure were measured for all models, and cavity pressure and foil base pressure were measured for the supercavitating models. Classic supercavitating hydrofoil theory is shown to predict test results with an accuracy adequate for design if a modified value for the crossflow lift coefficient is accepted. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Aug 26, 1963
Accession Number
AD0436790

Entities

People

  • H. R. Wright

Organizations

  • Grumman

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Accuracy
  • Aspect Ratio
  • Base Pressure
  • Cavitation
  • Coefficients
  • Cross Flow
  • Curvature
  • Drag
  • Equations
  • Flow
  • Geometry
  • Hydrodynamic Characteristics
  • Hydrofoils
  • Leading Edges
  • Measurement
  • Planform
  • Thickness

Fields of Study

  • Physics

Readers

  • Aerodynamics/Aeronautics.
  • Marine Propulsion Engineering and Naval Architecture