谈古代计时器“碑漏”与磁永动机  

TALK ABOUT ANCIENT CLOCK“BEI-LOU”AND MAGNETIC PERPETUAL MOTION MACHINE

作　　者：刘延柱[1] LIU Yanzhu(Departent of Engineering Mechanics,Shanghai Jiao Tong University,Shanghai 200040,China)

机构地区：[1]上海交通大学工程力学系,上海200240

出　　处：《力学与实践》2022年第4期997-999,共3页Mechanics in Engineering

摘　　要：讨论古代计时器“碑漏”的力学原理,以及与磁永动机的密切联系。The mechanics of the ancient clock“Bei-lou”is discussed in this paper,and the close connection with the magnetic perpetual motion machine is explained.

关 键 词：机械钟 永动机 自激振动 

分 类 号：O313[理学—一般力学与力学基础]