科里奥利力对气垫转盘的影响  

Coriolis Force haing an Effect on Air-cushion Turntable

作　　者：许成科[1] 张登玉[1] 邓小辉[1] 汪新文[1] 游开明[1] 

机构地区：[1]衡阳师范学院物理与电子信息科学系

出　　处：《物理通报》2012年第11期24-26,37,共4页Physics Bulletin

基　　金：教育部2009年第四批学校特色专业建设点项目,编号:TS11635;湖南省普通高校光电课程组教学团队资助

摘　　要：对气垫转盘无外力矩自转现象的原因进行了探讨，理论分析和实验数据均表明：地球自转而产生的科里奥利力是气垫转盘无外力矩自转的最可能原因．这将为气垫转盘实验的改进提供重要的参考和依据．Compared with traditional rigid - body rotating apparatus, the air - cushion turntable has many advantages, such as stable data, intuitionistic phenomena, high accuracy, etc. However, the external - moment - free rotation of its movable turnplate will slightly decrease the measurement accuracy. This paper investigates the possible causations that result in such a phenomenon. The theoretical analysis and experimental data indicate that the external - moment - free rotation is likely caused by Coriolis force resulting from earth rotation. This result will contribute to the improvement for experimental apparatus.

关 键 词：气垫转盘 无外力矩自转 科里奥利力 

分 类 号：O313[理学—一般力学与力学基础]