Źródło: NASA · licencja/uwagi: US Government work / public domain (NASA)
Materiał na podstawie oficjalnego komunikatu NASA. Źródło: Instrumentation. US Government work / public domain (NASA).
Na podstawie oficjalnego komunikatu NASA: 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.
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. — NASA
Szczegóły, pełny kontekst i ewentualne aktualizacje: https://www.nasa.gov/centers-and-facilities/glenn/acoustics-instrumentation/.
Źródło: NASA — oryginał
Licencja / zasady użycia: US Government work / public domain (NASA)
Zdjęcie: Aleksander Gierymski — Public domain (File:Aleksander Gierymski – The Vistula near Warsaw – MNK III-r.a-779 (70554).jpg)
