On the Simulation of Free Flight Vortices in Ground Test Facilities

Abstract

The objectives of this project is to assess the effects of significant wind tunnel testing factors, such as test model blockage, vortex strength, inlet flow non-uniformities and inlet turbulence levels, on the near field behavior of strong wing-tip vortex structures through an integrated experimental, numerical and theoretical study. A primary motive is to assess the need for comprehensive corrections of wind tunnel testing data to simulate free flight conditions. The proposed research aims to shed light on how the wind tunnel environment affects measurements when coherent vortices are present, and how to make corrections to account for discrepancies between the wind tunnel and free flight test environments in flows with strong vortex structures.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Mar 29, 2012
Accession Number
ADA567602

Entities

People

  • Hui Hu
  • Paul A. Durbin

Organizations

  • Iowa State University

Tags

Communities of Interest

  • Space

DTIC Thesaurus Topics

  • Aircrafts
  • Computational Fluid Dynamics
  • Contracts
  • Engineering
  • Environment
  • Flight
  • Flow Fields
  • Fluid Dynamics
  • Free Flight
  • High Resolution
  • Near Field
  • Simulations
  • Students
  • Test Facilities
  • Wind Tunnel Tests
  • Wind Tunnels
  • Wing Tips

Fields of Study

  • Physics

Readers

  • Aerodynamics.
  • Aerodynamics/Aeronautics.
  • Theoretical Analysis.