Numerical Simulation on Impeller Casting Defects and Optimization

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">No</td><td class="align_center">Pouring temperature</td><td class="align_center">Preheating temperature</td><td class="align_center">Pouring speed</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">H<sub>1</sub></td><td class="align_center">230.23</td><td class="align_center">219.88</td><td class="align_center">211.97</td></tr><tr><td class="align_left">H<sub>2</sub></td><td class="align_center">198.99</td><td class="align_center">208.15</td><td class="align_center">214.39</td></tr><tr><td class="align_left">H3</td><td class="align_center">208.7</td><td class="align_center">209.89</td><td class="align_center">211.56</td></tr><tr><td class="align_left">K</td><td class="align_center">10.43</td><td class="align_center">3.91</td><td class="align_center">0.94</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Mathematical Problems in Engineering

tab4

Table 4

Table 4: Numerical Simulation on Impeller Casting Defects and Optimization 