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Explanation by Hotspot Model
饮水鸟
饮水鸟
Licensed under Creative Commons Attribution-Share Alike 3.0 (Unkown).
饮水鸟也叫喝水鸟、永动鸟，是一种根据热机原理制作的一种由美国人万里诉沙利文(Miles V. Sullivan)在西元1942年所设计的玩具。一般由玻璃制成。当“鸟头”被润湿时，由于水蒸发带走了热量，使头部的气压降低，鸟身体内的液体被吸到头部，使得身体头重脚轻，鸟头因过重而往前倾，当身体接近水平时体内两端空气又开始流通，压强平衡，头部的液体又回到体内，鸟头恢复初始状态。如果前面放有水，使鸟头前倾时能够沾到，保持鸟头湿润，则此过程即可反复进行。
参考资料
外部链接
| 维基共享资源中相关的多媒体资源：饮水鸟 |
- Video comparing two common drinking birds in action.
- How a drinking bird works.
- Drinking bird movies and images
- gallery of variations, and "care guide"
- modification guide for a purely solar-powered bird
- art project by Daniel Reynolds
- Miles V. Sullivan designed the Drinking Bird in 1945 - filed for patent 2,402,463 on Aug 6, 1945
- Drinking Duck: Demonstration experiment (instruction and video)
- [1] Who invented the drinking bird?
- The effects of ethanol on Drinking bird
This article uses material from the Wikipedia article "饮水鸟", which is released under the Creative Commons Attribution-Share-Alike License 3.0. There is a list of all authors in Wikipedia
