超声波法测量盐水溶液浓度  

MESUREMENT OF SALT SALINITY IN SOLAR POND BY SUPERSONIC METHOD

作　　者：闵子建[1] 李锦萍[1] 蒋淑华[1] 宋爱国[1] 李申生[1] 

机构地区：[1]首都师范大学物理系

出　　处：《太阳能学报》1995年第2期224-228,共5页Acta Energiae Solaris Sinica

摘　　要：利用超声波在不同浓度、不同温度的盐水溶液中传播速度不同这一特性，测出盐浓度Ｓ、声速Ｖ和温度Ｔ之间的关系，绘制不同温度下的Ｓ－Ｖ曲线和不同浓度下的Ｖ－Ｔ曲线，用计算机对实验曲线进行拟合，给出相应的多项式回归方程。模拟计算结果十分接近实验结果。该方法测试简便，精确度高。The relationships between the salt salinity (S)in solar pond. the temperature (T) of salt solution and the supersonic velocity (V) in the salt solution are determined by an apparatus which can monitor in a solar pond. The S-v curves under different temperatures and T-v curves under different salt salinities and a three dimensional curve S-v-T are plotted. The regression procedure of experimental curves is performed by a micro-computer. and the corresponding regessive polynomial equations are obtained. The agreement between the calculated and experimental results are quite satisfactory. The main advantages of this method are its convenience. rapidness. high accuracy and without taking samples out of the solar pond.

关 键 词：超声波 盐浓度 太阳池 测量 

分 类 号：TK512[动力工程及工程热物理—热能工程]