Cambered Jet-Flapped Airfoil Theory with Tables and Computer Programs for Application

Report Number: AFFDL TR 77-63
Author(s): Henry W. Woolard; Bernard F. Niehaus
Corporate Author: Design Predictions Group
Laboratory: Air Force Flight Dynamics Laboratory
Publication Date: 9/1/1977
Pages: 161
Contract: Laboratory Research - No Contract
Project: 8219
Task: 821901
AD Number: ADA048528
Photo Enhancement: Not Needed

Abstract Text:

A quadrature method is derived for calculating the incompressible-flow aerodynamics of arbitrarily cambered jet-flapped airfoils. The anticipated application of the methodology is to high-speed subsonic flows (combat maneuvering aircraft) via the use of compressible-flow similarity transformations. The method yields the aerodynamic properties in terms of integrals having integrands which consist of the product of the camber-line ordinate and an influence function which is a parametric function of the jet-momentum coefficient. In general, the integrals involved must be evaluated by numerical methods. Tables of the necessary influence functions are given in the report.

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