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音叉共振式液体密度测量实验的设计与实现 被引量:2

Design and realization of measuring liquid density by tuning fork resonance
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摘要 在原有的DH4615型音叉受迫振动与共振实验仪的基础上,设计了液体密度测量传感装置,通过实验数据测量、定标,对水、乙醇、汽油等液体通过测量谐振频率求得待测液体的密度,测量精度符合实验要求. Based on the forced vibration and resonance equipment of DH4615, which is based on tuning fork, a liquid density measurement sensor was designed. After calibration, the resonance fre- quency of liquids such as water, alcohol and gasoline were measured, and the densities of these liquids were obtained. The measurement accuracy achieved the requirements.
出处 《物理实验》 2016年第12期16-18,共3页 Physics Experimentation
关键词 音叉共振 液体密度 共振频率 传感器 tuning fork resonance liquid density resonance frequency sensor
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