Wind tunnel calibration

Wind tunnel calibration

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Credit: PASQUALE SORRENTINO/SCIENCE PHOTO LIBRARY

Caption: Wind tunnel calibration. Laser (green light) being used to measure and calibrate wind speeds inside a wind tunnel. An air flow, generated in the large cylindrical section (blue, upper left) is passed through the transparent box (upper right), where a small aircraft model is placed. The laser (created and transmitted by the equipment at lower left) is reflected off the mirror below the box. The speed of the air flow is calculated by detecting light scattered from the laser off dust in the air. The results from the small models used are scaled up (extrapolated) to replicate flight conditions. The wind tunnel seen here is part of CIRA, the Italian aerospace research centre in Padua, Italy. CIRA was founded in 1984.

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Keywords: 21st century, aeroplane, aerospace research centre, air flow, airplane, aviation, beam, calibration, cira, design, engineering, equipment, europe, european, experiment, italian, italy, laboratory, laser, machine, padua, plane, research, technological, technology, transport, transportation, wind tunnel

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