V/STOL Propulsion-Induced Aerodynamics Hover Calculation Method.

Abstract

An empirical method has been developed to predict the propulsive-induced forces on a V/STOL aircraft hovering in proximity of the ground. This method is applicable to configurations employing two, three, or four circular exhausts. Planform contour, nozzle pressure ratio, and lift improvement devices are considered. Accuracies on the order of one percent of propulsive thrust are demonstrated. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Feb 01, 1980
Accession Number
ADA082688

Entities

People

  • J. A. Sansone
  • W. H. Foley

Organizations

  • General Dynamics

Tags

Communities of Interest

  • Air Platforms
  • Materials and Manufacturing Processes
  • Weapons Technologies

DTIC Thesaurus Topics

  • Aeronautics
  • Air Force
  • Air Force Facilities
  • Aircrafts
  • Airframes
  • Altitude
  • Army Aviation
  • Buoyancy
  • Flow Fields
  • Ground Effect
  • Lifting Bodies
  • Low Altitude
  • Military Research
  • Shape
  • Short Takeoff Aircraft
  • Three Dimensional
  • Two Dimensional

Fields of Study

  • Physics

Readers

  • Aerodynamics/Aeronautics.
  • Aerospace Engineering
  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)