Invariant of mechanical system with viscous friction

N. Parfentyev

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Invariant of mechanical system with viscous friction

机译：机械系统的粘滞不变性

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The singular point is found as a result of analysis of a model of the oscillatory circuit. Module of impedance at a particular frequency is independent of the resistance. The specified frequency is Fr/2~(0.5) (Fr is the resonance frequency of circuit for a small value of resistance). The model of a mechanical system with viscous friction described by similar equations is presented. Description of the model also includes the point where the modulus of mechanical resistance is independent of the coefficient of viscous friction. The use of effect in electroacoustic measurements is suggested.

机译：通过分析振荡电路的模型发现了奇异点。特定频率下的阻抗模数与电阻无关。指定频率为Fr / 2〜（0.5）（Fr是电阻值较小时电路的谐振频率）。提出了具有类似方程式的粘滞摩擦力的机械系统模型。该模型的描述还包括机械阻力模量与粘滞摩擦系数无关的点。建议在电声测量中使用效果。

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《Electronic Journal Technical Acoustics》 |2014年第2期|共4页
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N. Parfentyev;
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中图分类物理声学;
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Invariant of mechanical system with viscous friction

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