Predicting Unsteady Loads in Marine Propulsor Crashback Using Large Eddy Simulation

<table>Blade loadings on radially divided sections for open propulsor at <svg height="13.6375" id="M83" style="vertical-align:-1.97925pt" version="1.1" viewbox="0 0 57.487499 13.6375" width="57.487499" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.113)"><use xlink:href="#x1D43D"></use></g><g transform="matrix(.017,-0,0,-.017,12.54,11.113)"><use xlink:href="#x3D"></use></g><g transform="matrix(.017,-0,0,-.017,27.244,11.113)"><use xlink:href="#x2212"></use></g><g transform="matrix(.017,-0,0,-.017,37.222,11.113)"><use xlink:href="#x30"></use></g><g transform="matrix(.017,-0,0,-.017,45.381,11.113)"><use xlink:href="#x2E"></use></g><g transform="matrix(.017,-0,0,-.017,49.257,11.113)"><use xlink:href="#x37"></use></g>
</svg>: (a) <svg height="16.15" id="M84" style="vertical-align:-3.276pt" version="1.1" viewbox="0 0 35.900002 16.15" width="35.900002" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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<g transform="matrix(.012,-0,0,-.012,20.275,16.087)"><use xlink:href="#x1D447"></use></g>
<g transform="matrix(.017,-0,0,-.017,28.825,12.012)"><use xlink:href="#x27E9"></use></g>
</svg>, (b) <svg height="16.362499" id="M85" style="vertical-align:-3.43843pt" version="1.1" viewbox="0 0 33.6875 16.362499" width="33.6875" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,12.012)"><use xlink:href="#x27E8"></use></g><g transform="matrix(.017,-0,0,-.017,7.083,12.012)"><use xlink:href="#x1D43E"></use></g>
<g transform="matrix(.012,-0,0,-.012,20.275,16.087)"><use xlink:href="#x1D446"></use></g>
<g transform="matrix(.017,-0,0,-.017,26.612,12.012)"><use xlink:href="#x27E9"></use></g>
</svg> (■ suction side, △ pressure side).</table>

International Journal of Rotating Machinery

fig6

Figure 6

Figure 6: Predicting Unsteady Loads in Marine Propulsor Crashback Using Large Eddy Simulation 