探究落球法粘滞系数实验的最佳实验条件及误差修正  

Exploring the Best Experimental Conditions in the Experiment of Measuring Liquid Viscosity Coefficient with Falling Balls

作　　者：刘迁 汪华莲 张毅[1] 孙凯[1] LIU Qian;WANG Hua-lian;ZHANG Yi;SUN Kai(Southwest University, Chongqing Beibei 400715)

机构地区：[1]西南大学,重庆北碚400715

出　　处：《大学物理实验》2018年第2期103-105,共3页Physical Experiment of College

摘　　要：系统地探究了落球法测量蓖麻油粘滞系数实验中测量结果的影响因素,分析了小球从不同位置下落、不同小球直径和不同实验温度对蓖麻油粘滞系数测量的影响。通过绘制误差曲线并进行分析,提出了实验的改进方案,以提高实验精度,减小实验误差。We studied the influential factors in the experiment of measuring liquid viscosity coefficient with falling balls.We analysed the effects of the falling position and diameter of the ball and proposed the improvement solution to increase the precision of the experiment.

关 键 词：粘滞系数 落球法 小球直径 下落位置 误差分析 

分 类 号：O4-34[理学—物理]