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At present, the study of vortex flowmeter focus on the detection of vortex shedding frequency. With the combination of stochastic energetics and stochastic resonance, a new way, stochastic energetic resonance, is proposed to detect vortex shedding frequency. The theoretical analysis, numerical simulation and experimental results manifest that the vortex shedding frequency can be obtained accurately...
The motion of an over damped Brownian particle in a bistable potential is analyzed from the perspective of stochastic energetics. Without noise and with the increase of the input amplitude, the work done by the periodic force increases first and reach the maximum, then decreases sharply, and finally increases. Only when the work is more than the height of the barrier and equal to the barrier height...
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