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Classical Mechanics, Second Edition, 2nd Edition
book

Classical Mechanics, Second Edition, 2nd Edition

by Tai L. Chow
May 2013
Intermediate to advanced content levelIntermediate to advanced
639 pages
23h 12m
English
CRC Press
Content preview from Classical Mechanics, Second Edition, 2nd Edition
234 Classical Mechanics
© 2010 Taylor & Francis Group, LLC
similar porous material, energy is dissipated because of the viscosity of the air. Second, the motion
of the air at the opening causes the sound to radiate into the medium outside, thus dissipating
acoustical energy. Similar to electric resistance
RViVq==//
(Ohm’s law), we define the acous-
tical resistance R
a
as
Rp
X
a
=
3
/
, where p
3
is the pressure needed to derive the volume current
through the dissipative element.
If the sound waves of a given frequency approach the opening of the resonator at a steady state,
we have an alternating applied pressure difference that can be represented by ...
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Publisher Resources

ISBN: 9781466569980