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Natural Science Forum / Physics / Acoustics / July 2005Outdoor louver noise levels
Noise data is published for most supply and return registers and grills sold for indoor applications. Similar data is not available for outdoor intake and exhaust louvers. Pressure drop data and water penetration data is published, but not noise. Typically these louvers have a 4" blade spacing and are 4 to 6" deep. We are using them as return grills in a large indoor water park. Does anyone have any published data on this or can anyone suggest how to estimate noise levels at different face velocities. Mark Bagdon Mark, The major reason flow noise data are not published for these is that the flow noise is almost always much lower than the noise of the equipment on the other side coming through. I can conceive of cases where that is not true, but there are not enough in the marketplace to drive the manufacturers to the effort of developing data. > Noise data is published for most supply and return registers and grills > sold for indoor applications. Similar data is not available for [quoted text clipped - 6 lines] > > Mark Bagdon Thanks Noral. Excellent point. |
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