Numerical Investigation of a First Stage of a Multistage Centrifugal Pump: Impeller, Diffuser with Return Vanes, and Casing

<table class="table-group" id="tab6"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td align="left" rowspan="2">Wall roughness height mm</td><td align="center" colspan="4">Pressure difference Δ<i>p</i> Pa<br/></td></tr><tr class="thead"><td align="center">Impeller</td><td align="center">Diffuser</td><td align="center">Diffuser return vane passages</td><td align="center">Δ<svg height="14.0375" id="M89" style="vertical-align:-4.10043pt" version="1.1" viewbox="0 0 32.3125 14.0375" width="32.3125" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg></td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td align="left">0</td><td align="center">512751</td><td align="center">108942</td><td align="center"><span style="width: 59.0625px;"><svg height="11.125" id="M90" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 59.0625 11.125" width="59.0625" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg></span></td><td align="center">519683</td></tr><tr><td align="left">2</td><td align="center">486786</td><td align="center">79951</td><td align="center"><span style="width: 50.900002px;"><svg height="11.125" id="M91" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 50.900002 11.125" width="50.900002" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg></span></td><td align="center">486555</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

International Scholarly Research Notices

tab6

Table 6

Table 6: Numerical Investigation of a First Stage of a Multistage Centrifugal Pump: Impeller, Diffuser with Return Vanes, and Casing 