Effect Analysis of Design Variables on the Disc in a Double-Eccentric Butterfly Valve

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td align="left"> </td><td align="center">Stress (MPa)</td><td align="center">Mass (kg)</td><td align="center"><svg height="11.425" id="M34" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 11.025 11.425" width="11.025" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.363)"><path d="M600 0h-557v24l268 633l28 8l261 -641v-24zM497 50l-194 489l-196 -489h390z" id="x394"></path></g>
</svg><i>p</i> (kPa)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left">Initial model</td><td align="center">29.86</td><td align="center">2.19</td><td align="center">172.0</td></tr><tr><td align="left">Optimal model</td><td align="center">35.83</td><td align="center">2.13</td><td align="center">161.4</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Comparison of the performance between the initial and optimal models.

The Scientific World Journal

tab7

Table 7

Table 7: Effect Analysis of Design Variables on the Disc in a Double-Eccentric Butterfly Valve 