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Hypersonic Facilities Complex

(1999-L-00106): After a rebuilding that installed a new nozzle with boundary-layer extraction, the 18-inch variable – Density Tunnel became the 18” Quiet Tunnel. Note the circular manifold and connections of the boundary-layer extraction system. The tunnel remained in Room D-115.

 

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Credit: NASA

Image Number: 1999-L-00106

Date: February 9, 1999

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Uploaded on August 5, 2013
Taken on February 9, 1999