Open-Water Thrust and Torque Predictions of a Ducted Propeller System with a Panel Method

<table>Blade (a) and duct (b) circulation distributions. Influence of gap and wake models. Ka4-70 inside duct 19Am at <svg height="13.6375" id="M136" style="vertical-align:-1.97925pt" version="1.1" viewbox="0 0 47.512501 13.6375" width="47.512501" 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="#x30"></use></g><g transform="matrix(.017,-0,0,-.017,35.403,11.113)"><use xlink:href="#x2E"></use></g><g transform="matrix(.017,-0,0,-.017,39.279,11.113)"><use xlink:href="#x35"></use></g>
</svg>.</table>

International Journal of Rotating Machinery

fig11

Figure 11

Figure 11: Open-Water Thrust and Torque Predictions of a Ducted Propeller System with a Panel Method 