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Pressure and motion of dry sand: translation of Hagen's paper from 1852

机译:干沙的压力和运动:1852年哈根论文的翻译

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摘要

In a remarkable paper from 1852, Gotthilf Heinrich Ludwig Hagen measured and explained two fundamental aspects of granular matter: The first effect is the saturation of pressure with depth in a static granular system confined by silo walls - generally known as the Janssen effect. The second part of his paper describes the dynamics observed during the flow out of the container - today often called the Beverloo law - and forms the foundation of the hourglass theory. A translation of the original 1852 paper is presented after a brief introduction.
机译:Gotthilf Heinrich Ludwig Hagen在1852年发表的一篇引人注目的论文中测量并解释了颗粒物质的两个基本方面:第一个效应是筒仓壁限制的静态颗粒系统中压力随深度的饱和度-通常称为Janssen效应。他论文的第二部分描述了从容器中流出时观察到的动力学现象-今天通常被称为贝弗洛定律-并形成了沙漏理论的基础。简短介绍后,将介绍1852年原始论文的译文。

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