【摘要】 本文论证了液体中激光脉冲光声效应和光偏法探测技术及其用来测量流体声速的可能.设计了实验光路,测量了不同温度下水中的声速.更多还原

【Abstract】 Laser pulsed photoaeoustic effect in liquid and detection technique by beam deflection method are demonstrated. The possibility of sound velocity measurement in liquid is examined. An experimental device is designed and the sound velocities in water at different temperatures are measured.更多还原