Noise-Reducing Fairings for Flush-Mounted Microphones

Streamlined fairings have been invented for housing single or multiple microphones to measure noise in flowing gases and liquids. Each fairing of this type is designed to minimize the spurious (background) component of noise generated by local flow disturbances caused by the fairing itself. These fairings could be used in measuring noise associated with a variety of flow sources, including aircraft, wind tunnels, air-handling equipment, and land vehicles.