31 TUBE NOZZLE IN THE ALTITUDE WIND TUNNEL AWT SHOP USED IN NOISE ABATEMENT PROGRAM ON J-57 ENGINE
A P&W J-57 engine is tested with a 31 tube nozzle assembly in the Altitude Wind Tunnel (AWT) (3/13/1957).
Image Credit: NASA/MARTIN BROWN
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https://www.nasa.gov/image-detail/grc-1957-c-44557/
Image CreditNASA/MARTIN BROWN
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