METHOD OF CALCULATING THE WIND TUNNEL INTERFERENCE FOR STEADY AND OSCILLATING WINGS IN TUNNELS OF ARBITRARY WALL CONFIGURATION

Abstract

A method of calculating the wind tunnel interference induced by arbitrary wall configurations has been developed wherein a linearized equation of the perturbation velocity potential is used to describe the flow in the tunnel. A series solution of the interference velocity potential satisfies the differential equation exactly. The constant coefficients in the series solution are determined by the point matching technique along the boundary. Results are presented for slotted tunnel walls with homogeneous boundary conditions. Solutions presented show excellent agreement with the results obtained by other methods for a stationary as well as an oscillating wing. Finally, the method is applied to compute a set of zero interference configurations for a combination of slot openings of side walls, roof, and floor.

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1968
Accession Number
AD0667187

Entities

People

  • C. F. Lo

Organizations

  • Arnold Engineering Development Complex

Tags

DTIC Thesaurus Topics

  • Abstracts
  • Agreements
  • Air Force
  • Boundaries
  • Coefficients
  • Contracts
  • Coordinate Systems
  • Differential Equations
  • Equations
  • Flow
  • Frequency
  • Government Procurement
  • Governments
  • Nomenclature
  • Perturbations
  • Short Takeoff Aircraft
  • Wind Tunnels

Fields of Study

  • Physics

Readers

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