Numerical Modeling of Unsteady Cavitating Flows around a Stationary Hydrofoil

<table>Computed versus measured pressure coefficients for different <svg height="7.9499998" id="M189" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 8.6625004 7.9499998" width="8.6625004" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,7.675)"><use xlink:href="#x1D45B"></use></g>
</svg> values, Singhal cavitation model, <svg height="11.175" id="M190" style="vertical-align:-0.20474pt" version="1.1" viewbox="0 0 57.5 11.175" width="57.5" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,10.862)"><use xlink:href="#x1D70E"></use></g><g transform="matrix(.017,-0,0,-.017,14.375,10.862)"><use xlink:href="#x3D"></use></g><g transform="matrix(.017,-0,0,-.017,29.079,10.862)"><use xlink:href="#x31"></use></g><g transform="matrix(.017,-0,0,-.017,37.239,10.862)"><use xlink:href="#x2E"></use></g><g transform="matrix(.017,-0,0,-.017,41.114,10.862)"><use xlink:href="#x34"></use></g><g transform="matrix(.017,-0,0,-.017,49.274,10.862)"><use xlink:href="#x39"></use></g>
</svg>, Re = 750,000, <svg height="15.4" id="M191" style="vertical-align:-3.39066pt" version="1.1" viewbox="0 0 53.075001 15.4" width="53.075001" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.112)"><use xlink:href="#x1D449"></use></g>
<g transform="matrix(.012,-0,0,-.012,12.675,15.187)"><use xlink:href="#x221E"></use></g>
<g transform="matrix(.017,-0,0,-.017,30.162,11.112)"><use xlink:href="#x3D"></use></g><g transform="matrix(.017,-0,0,-.017,44.849,11.112)"><use xlink:href="#x35"></use></g>
</svg> m/s, and <svg height="13.1375" id="M192" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 42.400002 13.1375" width="42.400002" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,12.875)"><use xlink:href="#x1D6FC"></use></g><g transform="matrix(.017,-0,0,-.017,14.426,12.875)"><use xlink:href="#x3D"></use></g><g transform="matrix(.017,-0,0,-.017,29.13,12.875)"><use xlink:href="#x36"></use></g>
<g transform="matrix(.012,-0,0,-.012,37.3,4.712)"><use xlink:href="#x2218"></use></g>
</svg>. The lines represent the mean values and the error bars represent the level of fluctuations.</table>

International Journal of Rotating Machinery

fig9

Figure 9

Figure 9: Numerical Modeling of Unsteady Cavitating Flows around a Stationary Hydrofoil 