Numerical Study on Pressure Fluctuations Reduction in Centrifugal Pumps: Influence of Radial Gap and Splitter Blades

<table>Pressure spectrum of static pressure at interface impeller volute <svg height="11.225" id="M63" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 47.787498 11.225" width="47.787498" xmlns="http://www.w3.org/2000/svg">
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<tspan style="font-size: 12.50px; " x="0" y="0">𝜃</tspan>
<tspan style="font-size: 12.50px; " x="10.014903" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="22.055292" y="0">2</tspan>
<tspan style="font-size: 12.50px; " x="28.306791" y="0">5</tspan>
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<tspan style="font-size: 8.75px; " x="0" y="0">∘</tspan>
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</svg> for the four pump configurations (<svg height="14.7125" id="M64" style="vertical-align:-3.22281pt" version="1.1" viewbox="0 0 67.449997 14.7125" width="67.449997" xmlns="http://www.w3.org/2000/svg">
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<tspan style="font-size: 12.50px; " x="0" y="0">𝑃</tspan>
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<tspan style="font-size: 8.75px; " x="0" y="0">r</tspan>
<tspan style="font-size: 8.75px; " x="2.8969121" y="0">e</tspan>
<tspan style="font-size: 8.75px; " x="6.7828002" y="0">f</tspan>
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<text transform="matrix(1,0,0,-1,-50.85,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="12.027886" y="0">1</tspan>
<tspan style="font-size: 12.50px; " x="20.367388" y="0">P</tspan>
<tspan style="font-size: 12.50px; " x="27.21903" y="0">a</tspan>
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</svg>).</table>

International Scholarly Research Notices

fig21

Figure 21

Figure 21: Numerical Study on Pressure Fluctuations Reduction in Centrifugal Pumps: Influence of Radial Gap and Splitter Blades 