Reconstruction and analysis of Zhan’s sand clock in the 14th century

Y. H. Chen, Marco Ceccarelli, Hong-Sen Yan

研究成果: Chapter

摘要

Zhan’s five wheels sand clock was a significant design of time-keeping device in China during the 14th century. With a sand wheel as the power source and four pairs of gears as the transmission system, it was able to indicate time by its hand on the clock dial. Although this invention is not preserved, an ancient literature provides a clear record of its mechanical structure of gear transmission with engineering data. This paper introduces the background of Zhan’s sand clock and presents a translation version of those descriptions of this device. Moreover, a mechanical analysis is made based on the engineering data provided in the original literature, and all relevant factors and mechanical design parameters about its power source are listed and discussed. Finally, the feasibility of Zhan’s sand clock is verified through a reconstruction design and prototype testing.

原文English
主出版物標題History of Mechanism and Machine Science
發行者Springer
頁面123-133
頁數11
DOIs
出版狀態Published - 2019 一月 1

出版系列

名字History of Mechanism and Machine Science
37
ISSN(列印)1875-3442
ISSN(電子)1875-3426

指紋

Clocks
Sand
Gears
Wheels
Instrument dials
Patents and inventions
Clock
Testing
Wheel

All Science Journal Classification (ASJC) codes

  • History
  • Mechanical Engineering

引用此文

Chen, Y. H., Ceccarelli, M., & Yan, H-S. (2019). Reconstruction and analysis of Zhan’s sand clock in the 14th century. 於 History of Mechanism and Machine Science (頁 123-133). (History of Mechanism and Machine Science; 卷 37). Springer. https://doi.org/10.1007/978-3-030-03538-9_11
Chen, Y. H. ; Ceccarelli, Marco ; Yan, Hong-Sen. / Reconstruction and analysis of Zhan’s sand clock in the 14th century. History of Mechanism and Machine Science. Springer, 2019. 頁 123-133 (History of Mechanism and Machine Science).
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Chen, YH, Ceccarelli, M & Yan, H-S 2019, Reconstruction and analysis of Zhan’s sand clock in the 14th century. 於 History of Mechanism and Machine Science. History of Mechanism and Machine Science, 卷 37, Springer, 頁 123-133. https://doi.org/10.1007/978-3-030-03538-9_11

Reconstruction and analysis of Zhan’s sand clock in the 14th century. / Chen, Y. H.; Ceccarelli, Marco; Yan, Hong-Sen.

History of Mechanism and Machine Science. Springer, 2019. p. 123-133 (History of Mechanism and Machine Science; 卷 37).

研究成果: Chapter

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Chen YH, Ceccarelli M, Yan H-S. Reconstruction and analysis of Zhan’s sand clock in the 14th century. 於 History of Mechanism and Machine Science. Springer. 2019. p. 123-133. (History of Mechanism and Machine Science). https://doi.org/10.1007/978-3-030-03538-9_11