Increasing Oxygen Mass Fraction in Blind Headings of a Plateau Metal Mine by Oxygen Supply Duct Design: A CFD Modelling Approach

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center">Min</td><td class="align_center">Max</td><td class="align_center">Average</td><td class="align_center">Standard deviation</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Skewness</td><td class="align_center">1.56 <svg height="7.35473pt" id="M1" style="vertical-align:-0.3499303pt" version="1.1" viewbox="-0.0498162 -7.0048 7.75925 7.35473" width="7.75925pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M528 54L331 254L528 455L492 493L294 291L96 493L60 455L257 254L60 54L96 16L294 217L492 16L528 54Z"></path></g></svg> 10<sup>–4</sup></td><td class="align_center">0.8987</td><td class="align_center">0.2151</td><td class="align_center">0.1286</td></tr><tr><td class="align_left">Aspect ratio</td><td class="align_center">1.1629</td><td class="align_center">1313.8000</td><td class="align_center">14.0310</td><td class="align_center">70.1170</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The skewness and orthogonal quality of roadway model mesh.</div>

Mathematical Problems in Engineering

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Table 1

Table 1: Increasing Oxygen Mass Fraction in Blind Headings of a Plateau Metal Mine by Oxygen Supply Duct Design: A CFD Modelling Approach 