力学与实践 ›› 2022, Vol. 44 ›› Issue (4): 997-999.DOI: 10.6052/1000-0879-21-298

• 力学纵横: 身边力学的趣话 • 上一篇    下一篇

谈古代计时器“碑漏”与磁永动机

刘延柱   

  1. 上海交通大学工程力学系,上海 200240
  • 收稿日期:2021-07-15 出版日期:2022-08-08 发布日期:2022-08-17
  • 作者简介:E-mail: liuyzhc@163.com

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

LIU Yanzhu   

  1. Departent of Engineering Mechanics, Shanghai Jiao Tong University, Shanghai 200040, China
  • Received:2021-07-15 Online:2022-08-08 Published:2022-08-17

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。

关键词: 机械钟, 永动机, 自激振动

Abstract:

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.

Key words: mechanical clock, perpetual motion machine, self-excited vibration

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