COMMENTS ON V/STOL WIND TUNNEL DATA AT LOW FORWARD SPEEDS,

Abstract

The paper presents the results of a systematic series of wind tunnel tests that were made to study the problems that are encountered in testing rotors in the transition speed range. The tests showed that there is a minimum speed test limit that is a function of the model size, downwash angle, and tunnel geometry. The application of wind tunnel wall corrections to data above the test limit is valid. However, below the test limit the flow in the tunnel resembles recirculation type flow and wall corrections will not correct for this type flow. (Author)

Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1969
Accession Number
AD0697462

Entities

People

  • Shojiro Shindo
  • William H. Rae Jr.

Organizations

  • University of Washington

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Aerodynamics
  • Aircrafts
  • Availability
  • Downwash
  • Flow
  • Geometry
  • Short Takeoff Aircraft
  • Transitions
  • Wind Tunnel Tests
  • Wind Tunnels

Readers

  • Aerodynamics/Aeronautics.
  • Aerospace Engineering
  • Fluid Dynamics.