Simplified closed form equations are developed to predict the sound power radiated from a simply supported rectangular flat plate in an infinite rigid baffle. A modification is added to include the effect of periodic uniform ribs in either uni-directional or a cross hatch pattern. The equations are correlated to finite element/acoustic code analysis. The accuracy of the equations is presented for typical induction system components and an expression is developed to predict the error for other panel configurations.
Sound Power Approximation for Rectangular Ribbed Plates Subject to Harmonic Excitation
Sae Technical Papers
SAE Noise and Vibration Conference and Exposition ; 1997
20.05.1997
Aufsatz (Konferenz)
Englisch
Sound Power Approximation for Rectangular Ribbed Plates Subject to Harmonic Excitation
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