Influence of Coal Cleats on Conical Pick Cutting Process Based on PFC

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Density of particle (kg·m<sup>−3</sup>)</td><td class="align_center">Radius range of particles (mm)</td><td class="align_center">Young’s modulus of particles (MPa)</td><td class="align_center">Ratio of normal and tangential stiffness coefficient</td><td class="align_center">Friction coefficient of particles</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">1800</td><td class="align_center">1.6∼2.6</td><td class="align_center">3<i>e</i>9</td><td class="align_center">1.1</td><td class="align_center">0.6</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Mechanical parameters of coal particles.</div>

Advances in Materials Science and Engineering

tab3

Table 3

Table 3: Influence of Coal Cleats on Conical Pick Cutting Process Based on PFC 