%0 Journal Article
%T The static friction force on a rod immersed in granular matter<br>颗粒物质中圆棒受到的静摩擦力
%A Hu Lin
%A Yang Ping
%A Xu Ting
%A Jiang Yang
%A Xu Hai-Jiang
%A Long Wei
%A Yang Chang-Shun
%A Zhang Tao
%A Lu Kun-Quan
%A <br>胡 林
%A 杨 平
%A 徐 亭
%A 江 阳
%A 须海江
%A 龙 为
%A 杨昌顺
%A 张 弢
%A 陆坤权
%J 物理学报
%D 2003
%I 
%X The dependence of the static friction force exerted on a rod immersed in granular matter on the filling height of granules and the diameter of the rod is studied experimentally. It is observed that the friction force increases with the filling height of granules and increasing diameter of the rod. A model based on the continuous media is given, which can explain the observed results. It is demonstrated that the friction force is proportional to the diameter of the rod and the square of the filling height in the case of shallow granules, while it is a linear function of the filling height in the case of very deep granules,i.e. the friction force is proportional to the area of the interface between the rod and granules.
%K granular matter
%K friction force<br>颗粒物质，
%K 摩擦力
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=29DF2CB55EF687E7EFA80DFD4B978260&aid=D25A8324F19C9415&yid=D43C4A19B2EE3C0A&vid=286FB2D22CF8D013&iid=E158A972A605785F&sid=D698D0190A84C2BD&eid=8047434EAE0B2346&journal_id=1000-3290&journal_name=物理学报&referenced_num=18&reference_num=11