ECE 473/TAM 413
Homework Assignment #3
Due: Friday, September 19, 2008
Note to graduate students taking the course for 4 hours of graduate credit (NB: only
graduate students can receive 4 hours of credit)
: For the additional 1 hour of credit, you are
required to write a paper (typically about 10 pages, double spaced) that discusses in some detail
any topic on acoustics for which the fundamentals of engineering acoustics are explicitly
described
. The paper needs to be based on 5 peerreviewed publications. The paper will be due
Monday, December 5, 2008. However, I must approve the topic and peerreviewed publications.
For the approval process, prepare a onepage outline (including 5 peerreviewed citations) for
submission
Monday, October 6, 2008
.
1. Equation 5.2.1’s
P
=
!
rT
k
in Kinsler et al. provides one form of the perfect gas law. Another
form is
PV
=
nRT
k
where n is the number of moles and R is the universal gas constant. Obtain a
relationship between r, R and the gas’ molecular weight M. (You need to consult Appendix A9)
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 Fall '08
 OBRIAN
 Sound pressure, Particle velocity, Bulk Modulus, Kinsler, acoustic pressure amplitude

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