| 电磁谐振水波干涉演示仪的设计研究 |
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| 引用本文： | 魏薇.电磁谐振水波干涉演示仪的设计研究[J].物理与工程,2012,22(3):23-25,33. |
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| 作者姓名： | 魏薇 |
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| 作者单位： | 华中农业大学理学院,湖北武汉,430070 |
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| 摘 要： | 本文介绍了一种自制的水波干涉衍射演示实验装置.装置利用低频信号源输出低频正弦信号,经电磁转换驱动振子做简谐振动,振子作为波源在水槽中激发水波观察水波干涉衍射现象.本文定量地分析了装置中最重要的驱动部分和振动部分的物理学原理,给出了控制演示实验效果的有效途径.装置结构简单,易于控制,成本低,实验效果明显.还可演示两列频率、振幅不相等的水波的相遇情况.
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| 关 键 词： | 磁场 受迫振动 振幅 频率 水波干涉 |
DESIGN OF WATER WAVE INTERFEROMETER OF ELECTROMAGNETIC RESONANCE |
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| Wei Wei.DESIGN OF WATER WAVE INTERFEROMETER OF ELECTROMAGNETIC RESONANCE[J].Physics and Engineering,2012,22(3):23-25,33. |
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| Authors: | Wei Wei |
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| Institution: | Wei Wei(College of Science,Huazhong Agricultural University,Wuhan,Hubei 430070) |
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| Abstract: | This paper introduces a self-made experimental facility to demonstrate water wave interference and diffraction.Utilizing the low frequency signal source to output the sine signal,the facility drives the oscillator do harmonic vibration,which is used as the vibration source of the wave to observe the interference and diffraction of ripples.In this paper,we quantitatively analyze the physical mechanism of driving part and vibration part in the facility,and provide useful methods to control the effect of experiment.Our experiment facility has several advantages such as simple structure,easy to control,low costs,and obvious experiment phenomenon.Furthermore,it can demonstrate the meeting of two water waves with different frequencies and amplitudes. |
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| Keywords: | magnetic field forced vibration amplitude frequency water wave interference |
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