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ONE-DIMENSIONAL THERMOACOUSTIC EFFECTS:
BEHAVIOR AT RESONANCE

One-dimensional waves (NON-LINEAR)
Sinusoidal momentum source at x=0
Zero momentum (rigid wall) at x=0.5 m
Wall temperatures constant at x=0 and x=0.5 m
Solution obtained using direct numerical solution of the NS equations

Fluid Properties:

Pressure, Po	1.14e5 Pa
Temperature, To	298 K
Gas Constant, R	2076.9 J/kg.K
Viscosity	1.6e-5 N.s/m
Ratio of specific heats	1.666
Prandtl Number, Pr	6.75e-4

Operating Parameters:

Piston Velocity magnitude 2 m/s

Frequency 1000 Hz

Drive Ratio 9.5 %