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High Reynolds Number Wind Tunnel

The HRWT’s 390-foot-long tube was pressurized to 600 - 700 pounds per square inch before each test, and the distant sphere was at atmospheric pressure or evacuated. Note the roller supports to accommodate thermal expansion.

 

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Credit: NASA

Image Number: MSFC-9513784

Date: Circa 1995

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Uploaded on August 1, 2013
Taken circa 1995