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Stop that 'dam' noise: ONR and nation's engineers tackle noise at hydroelectric plants
Date:3/26/2012

crashes down every second the dam operates at 100 percent water discharge capacity.

Pouliot attributes safety controls, such as covering turbine generators, to limiting personnel's exposure.

"We still do have hearing loss cases, and we are excited and interested in trying to figure out how to control the noise so that we're able to prevent them," Pouliot says.

Field measurements, including acoustic octave band and vibration analyses, will be taken at selected facilities in the Pacific Northwest and Colorado regions through May 2012: Grand Coulee, Roza, Chandler, Dalles, Detroit, Estes, Mary's Lake and Flatiron.

Following a data evaluation period this summer, ONR will propose areas for noise improvement through a range of engineering and technology controls.

Sustained exposure to high sound levels attributed to water, aircraft engines, machine shops and other areas in the naval environmentand sudden intense noises like improvised explosive devices encountered in the fieldcan all contribute to noise-induced hearing loss over time.

Through the interagency partnership, ONR officials continue their efforts to demonstrate the broad applications of naval science and technology across government and industry as well as sectors such as public health, energy and power.


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Contact: Peter Vietti
onrcsc@onr.navy.mil
703-696-5301
Office of Naval Research
Source:Eurekalert

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