DEVELOPMENT OF A METHOD FOR PREDICTING THE PERFORMANCE AND STRESSES OF VTOL-TYPE PROPELLERS

Abstract

The report presents a theoretical method which allows the prediction of performance and stress characteristics of a single VTOL-type of propeller- wing-nacelle combination operating in various flight conditions from hovering through transition and into axial flight. The method includes (1) the effects of a distorted wake, i. e., the effects of contraction and radial and axial velocity variations; (2) the effects of hovering close to the ground; (3) the interference effects from a nacelle and wing buried in the propeller slipstream. Also presented are experimental thrust and torque data. However, because of the insufficient accuracy of the experimental data collected, no definite evaluation of the model is made.

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Document Details

Document Type
Technical Report
Publication Date
Jun 01, 1966
Accession Number
AD0635951

Entities

People

  • Andrew R. Trenka

Organizations

  • Calspan

Tags

Communities of Interest

  • Advanced Electronics
  • Air Platforms

DTIC Thesaurus Topics

  • Abstracts
  • Accuracy
  • Aeronautical Laboratories
  • Aircrafts
  • Army Aviation
  • Contracts
  • Coordinate Systems
  • Equations Of Motion
  • Experimental Data
  • Geometry
  • Governments
  • Measurement
  • Propellers
  • Radial Velocity
  • Shear Stresses
  • Test And Evaluation
  • Wind Tunnels

Fields of Study

  • Physics

Readers

  • Aerodynamics/Aeronautics.
  • Aerospace Engineering
  • Electromagnetic Wave Scattering and Antenna Radiation Engineering