NASA Aeronautics reported: Instrumentation To measure airflow and sound, research teams at the NASA Glenn Research Center use special instrumentation like particle image velocimetry, hot wire anemometry, Raman spectroscopy, microphones in phased arrays or continuously rotating rakes. The global aviation noise reduction community relies on data from NASA GRC experiments to validate theory and noise prediction software. Rotating Rake […] Categories: Glenn Research Center, Aeronautics, Aeronautics Research Source type: agency Verification: single source Source country: United States Published (UTC): 2026-10-19T16:37:45.000Z Source: NASA Aeronautics Original source: https://www.nasa.gov/centers-and-facilities/glenn/acoustics-instrumentation/View original source
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