Experimental Investigation of Wind-Tunnel Interference on the Downwash Behind an Airfoil (1937)
NASA Technical Reports Server (NTRS) · leaf 6
6). Owing to to determine whether increasing the length of the open the small forces encountered in measuring the lift, it section would appreciably affect the down wash at the was necessary to construct a special balance, a schematic tail. Tests were made for each of the four tunnel diagram of… … PlGUttE 5.—The experimental set-up in the full-scale tunnel. For all the test conditions the air-stream angles in the tunnel at all the stations were obtained with the frame, this frame being supported in turn on a pair of airfoils removed from the jet. The actual downwash flat cantilever springs.…
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