Discrete Element Simulation of Factors Affecting the Fluidity of Nylon Powder

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Contact parameter</td><td class="align_center">Value</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Effective modulus (Pa)</td><td class="align_center">1<i>e</i>7</td></tr><tr><td class="align_left">Stiffness ratio</td><td class="align_center">1.50</td></tr><tr><td class="align_left">Nylon and nylon friction coefficient</td><td class="align_center">0.50</td></tr><tr><td class="align_left">Nylon and wall friction coefficient</td><td class="align_center">0.50</td></tr><tr><td class="align_left">Rolling resistance coefficient</td><td class="align_center">0.50</td></tr><tr><td class="align_left">Porosity</td><td class="align_center">0.30</td></tr><tr><td class="align_left">Particle density (g/cm<sup>3</sup>)</td><td class="align_center">1.00</td></tr><tr><td class="align_left">Particle size (<i>μ</i>m)</td><td class="align_center">20–100</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Microscopic parameters of nylon PA3200 powder fluidity model.</div>

Mathematical Problems in Engineering

tab5

Table 5

Table 5: Discrete Element Simulation of Factors Affecting the Fluidity of Nylon Powder 