Forced vibration and resonance are often used in engineering and science research. For example, in fields
of architecture and mechanical engineering, resonance is unfavorable and often needs to be avoided to ensure the quality of construction. However, in some petrochemical processing enterprises, principle of resonance is frequently used to detect fluid density and fluid level. Therefore, forced vibration and resonance are important laws of physics, and are getting more attention in physics and engineering.
The apparatus takes the tuning fork vibration system as the study object, and takes the electromagnetic force of excitation coil as the excitation force, and piezoelectric transducing chip as the amplitude monitoring sensor, to measure relationship between the vibration amplitude and the frequency of the driving force. It is equipped with an additional PC acquisition and analysis system, and it can automatically scan the resonance curve, and measure the mass of weight b linear fitting method.
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