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

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td align="left" rowspan="2">Blade number</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="M69" 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">5</td><td align="center">476784</td><td align="center">98196</td><td align="center"><span style="width: 59.0625px;"><svg height="11.125" id="M70" 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">474962</td></tr><tr><td align="left">6</td><td align="center">512751</td><td align="center">108942</td><td align="center"><span style="width: 59.0625px;"><svg height="11.125" id="M71" 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">7</td><td align="center">547270</td><td align="center">120316</td><td align="center"><span style="width: 59.0625px;"><svg height="11.225" id="M72" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 59.0625 11.225" 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">564968</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

International Scholarly Research Notices

tab3

Table 3

Table 3: Numerical Investigation of a First Stage of a Multistage Centrifugal Pump: Impeller, Diffuser with Return Vanes, and Casing 