Understanding Wind Noise

Aeroacoustic (airflow-induced) noise is a difficult topic, and its theory is still under development.

The generation of sound by a turbulent flow is the most common physical effect associated with the field of aeroacoustics.  Although no complete scientific theory of the generation of noise by aeroacoustic flows has been established, most aeroacoustic analysis relies upon the so-called acoustic analogy proposed by Sir James Lighthill.

Measuring aeroacoustic noise with both external and in-canal microphones.

Measuring targeted wind flow noise at different head / ear locations and velocities. 

Measuring turbulent pressure fluctuations and correlating to in ear wind noise measurements.

Smoke flow visualization / laser light imagery and fluorescein dye visualization / laser light imagery

Constructive testing and analysis.  Adding and subtracting different parts of the ear using modeling clay.

Hot wire and static / dynamic pressure probe anemometers.  Measuring and mapping flow / velocity patterns.

Understanding wind noise helps us develop the most effective products.

Cat-Ears / AirStreamz is a leading manufacturer of aero-acoustically designed passive wind noise reduction products.  Tested and recommended by respected publications and professionals, Cat-Ears / AirStreamz are the highest rated and best selling products designed for serious cyclists / outdoor sports enthusiasts.  Our products are 100% Satisfaction Guaranteed and Made in the USA.

Cat-Ears / AirStreamz | Aeroacoustic Engineering Research and Product Development

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