Table 12: Refer "Helmholtz Resonator"

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Read with ppt on "Helmholtz Resonator"

The above treatment allows us to establish the following mechanical,
electrical and acoustical analogues:

Mechanical Electrical Acoustical

Mass m
Inductance L Inertance M
1

Acoustic
compliance C
Mechanical Capacitance C
compliance Cm=1/s
2

Resistance R
Resistance Rm Resistance R
3

d 2x dx
m 2
+ R' + kx = f 0 sin pt ……..1
dt dt

d 2q dq q
L 2
+R + = E 0 sin pt ……..2
dt dt C

ρ 0 l ' d 2 X ρ 0 ck 2 dX ρ 0 c 2
+ + X = Pe jωt ……..3 (where l’=l + end-correction)
S dt 2 2π dt V

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