Structure Optimization of Rib Drill Pipe Based on Gas-Solid Coupling and Orthogonal Experiment

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Inlet parameters</td><td class="align_center">Inlet boundary condition value</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Turbulence intensity</td><td class="align_center">0.039</td></tr><tr><td class="align_left">Turbulence length dimension</td><td class="align_center">2.675 mm</td></tr><tr><td class="align_left">Turbulent kinetic energy</td><td class="align_center">1.12</td></tr><tr><td class="align_left">Turbulent dissipation energy</td><td class="align_center">52.01</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Shock and Vibration

tab2

Table 2

Table 2: Structure Optimization of Rib Drill Pipe Based on Gas-Solid Coupling and Orthogonal Experiment 