Measurement of Power Flow in Uniform Beams and Plates
- 1 January 1970
- journal article
- research article
- Published by Acoustical Society of America (ASA) in The Journal of the Acoustical Society of America
- Vol. 47 (1B) , 238-247
- https://doi.org/10.1121/1.1911472
Abstract
A novel technique is presented for measuring the vibrational intensity (power flow per unit width of cross section) in uniform plates and beams vibrating in flexure. The intensity is obtained as a vector at a measurement point. Measurements at many points yield the pattern of power flow. Experimental results of intensities in a very reverberant plate illustrate the measurement technique and are consistent with the loss factor of the plate.Keywords
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