An Experimental Investigation of Tangential Blowing to Reduce Buffet Response of the Vertical Tails of an F-15 Wind Tunnel Model. Volume 1. Tests Results, Discussion and Correlation.
Abstract
Tangential blowing was investigated as a means to reduce buffeting pressures and response on the tails of a 4.7% scale model of the F-15 Fighter Aircraft in the Subsonic Aerodynamic Research Laboratory (SARL) wind tunnel. Buffeting pressures, structural strains, and structural acceleration were measured and recorded for a range of angles of attack and angles of side slip, and for blowing at three locations on the model, both individually, in combinations, and without blowing. The test were conducted for two wind tunnel dynamic pressures. One vertical tail was rigid to permit buffet excitation pressures to be measured, and the other was flexible to permit buffet response pressures and structural response to be measured. Unsteady pressure data, strains and accelerations were reduced to PSD and RMS forms. This report contains a general description of the model, the test program, samples of the reduced data, an in depth analysis of the data, and conclusions with respect to the effectiveness of blowing to reduce buffeting of vertical tails.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jan 01, 1999
- Accession Number
- ADA367319
Entities
People
- Elijah W. Turner
- Mrty A. Ferman