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NASA Meatball NASA Dryden F-18 High Alpha Research Vehicle (HARV) banner
F-18 HARV smoke and tuft vortex flow visualization along leading edge extension F-18 HARV smoke and tuft vortex flow visualization along leading edge extension
Photo Number: EC89-0096-149
Photo Date: April 14, 1989
Formats: 558x480 JPEG Image (55 KBytes)
1190x1024 JPEG Image (516 KBytes)
3030x2606 JPEG Image (6,486 KBytes)
Description: Flow visualization smoke marks vortex flows along the leading edge extension on an F/A-18 flown by NASA's Dryden Flight Research Center, Edwards, California, in its High Alpha Research Vehicle (HARV) program.

The aircraft is at a high angle of attack in this photo. The aircraft was modified with a thrust vectoring system to further investigate high angle of attack flying. The program was conducted jointly with NASA's Langley Research Center.
Keywords: F-18 High Alpha Research Vehicle; F/A-18; HARV; flow visualization smoke; vortex flows; high angle of attack
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