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June 11, 1920Wind Tunnel 1 at NACA Langley was
formally dedicated. It was the first of many now-famous NACA
and NASA wind tunnels. Although this specific wind tunnel
was not unique or advanced, it led NACA engineers and scientists
to advanced wind tunnel concepts.
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1922Variable Density Wind Tunnel (VDT) was constructed.
The VDT brought a new concept to wind tunnel design by employing
high-pressure air, compressed to a higher density in an airtight
chamber, to better simulate flight conditions with scale models.
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19241960sCompressibility research, the
study of airs behavior as a high-speed compressible
fluid began in the 1920s and enabled researchers to solve
control problems later experienced by WWII airplanes.
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May 23, 1925First NACA Aircraft Engineering
Research Conference was held. Government promoted the transfer
of technology and expertise to industry.
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