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ps4f10 - c 1 above a perfectly hard backing(ii Sketch the...

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ME 513 Fall 2010 – Homework No. 4 – Due Nov. 15, 2010 (off-site students, e-mailed before midnight Nov. 16) From Kinsler, Frey, Koppens and Sanders: 6.2.2 6.2.6C 6.3.4 6.4.1 6.6.1 Additional Problem: (i) Derive an expression for the surface normal impedance (at normal incidence) of a fluid layer of depth L (having density ρ 1 and speed of sound
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Unformatted text preview: c 1 ) above a perfectly hard backing. (ii) Sketch the impedance. (iii) Calculate the plane wave pressure reflection coefficient for this layer (the ambient density outside the layer is ρ and the ambient sound speed is c ) and show that the magnitude of the reflection coefficient is always equal to unity in this case....
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