机构地区: 湛江海洋大学理学院
出 处: 《大学物理实验》 2003年第3期6-8,共3页
摘 要: 落球法是测量液体粘滞系数的最简单直接的方法,但小球的下落时间难以精确测定,本文提出了用光电法来测定小球的下落时间,可以较大幅度地提高测量结果的精度。 The method of drop - sphere is the most simple and direct method to measure the coefficient of viscosity, but the velocity of sphere ia difficult to measure. Using method of light - electrical to measuring the velocity can improve measuring precision.