Upwash Interference on a Symmetrical Wing in a Rectangular Ventilated Wall Wind Tunnel: Part I. Development of Theory.
Final rept. Oct 71-May 72,
ARNOLD ENGINEERING DEVELOPMENT CENTER ARNOLD AIR FORCE STATION TENN
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The wind tunnel boundary upwash interference on a symmetrical finite wing of arbitrary lift distribution is calculated in a rectangular test section with solid vertical walls and ventilated porous-slotted horizontal walls. The interference is found by applying linearized theory for a compressible medium at subsonic speed to the boundary value problem. The theory uses an image method in addition to Fourier transforms with an equivalent homogeneous boundary condition on the ventilated wall. A treatment of the far downstream end condition consistent with the Fourier transform method is presented. Author Modified Abstract
- Test Facilities, Equipment and Methods
- Fluid Mechanics