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Extremely high amplitude gas oscillations appear in closed resonator when it’s driven at its resonance frequency, for some specially designed resonator shapes. The transient behavior here refers to the behavior of gas spanning from the quiescent condition to the steady periodic motion. The amplitude of the gas oscillations in pressure increases differently for different geometrical shapes. The transient motions of gas oscillations inside closed resonators are investigated in this work. Most existing works are dedicated to understanding the steady-state behavior and not the transient nature. Hence, understanding of this transient process is important as it can shed more light on the underlying physical behavior of finite amplitude acoustics. This, in turn, can help to design better acoustic compressors and pumps. High amplitude gas oscillations are often associated with waveform distortions and hysteresis. In the full paper, the results of transient behavior of the gas oscillations in an oscillating resonator will be presented.
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