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Lab: NAVSEA Carderock
Category: Acoustics
9500 MacArthur Blvd.
West Bethesda, MD, 20817-5700
Phone: (301) 227-4299 ext.
Fax: (301) 227-2138 |
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This unique test facility combines a low-noise, low-turbulence wind tunnel with an anechoic chamber measuring flow-generated noise. This provides a controlled laboratory environment where details of flow excited noise from structures, boundary layer pressure fluctuations, and noise from model propulsors can be studied under dynamic conditions.
The facility has two areas in which measurements can be made: a nine foot long closed jet test section of eight feet square cross section, and a 21 foot long open-jet test section surrounded by an anechoic chamber of 21 foot square cross section. The maximum air speed in the facility is 200 feet per second. Noise generated at full speed is less than that of conversational speech. Models up to 20 feet may be mounted in the facility. Commercial uses for this facility include the automobile and aircraft industries as well as environmental applications.
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