A Wake Model for the Prediction of Propeller Performance at Low Advance Ratios

<table> Sections on the aligned wake cut at <svg height="11.2625" id="M104" style="vertical-align:-0.273pt" version="1.1" viewbox="0 0 36.174999 11.2625" width="36.174999" 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)"><path d="M475 445l-64 -69q-119 -128 -289 -280q27 6 81 -15q66 -26 102 -26q48 0 111 93l23 -19q-41 -84 -75.5 -116.5t-73.5 -32.5q-37 0 -147 53q-43 21 -63 7q-22 -15 -38 -41q-4 -7 -11 -7q-8 10 -8 26q0 38 47 83l292 273q-32 -5 -67 -1q-63 7 -105 7q-32 0 -53.5 -22
t-47.5 -67l-25 13q15 39 38 78q40 66 83 66q57 0 120 -12q52 -10 80 -10q29 0 67 42z" id="x1D467"></path></g><g transform="matrix(.017,-0,0,-.017,13.237,10.862)"><use xlink:href="#x3D"></use></g><g transform="matrix(.017,-0,0,-.017,27.94,10.862)"><use xlink:href="#x30"></use></g>
</svg> plane at different <svg height="15.4" id="M105" style="vertical-align:-3.39066pt" version="1.1" viewbox="0 0 12.975 15.4" width="12.975" 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="#x1D43D"></use></g>
<g transform="matrix(.012,-0,0,-.012,7.825,15.187)"><use xlink:href="#x1D460"></use></g>
</svg> (0.889, 0.7, 0.5 and 0.4) with different discretization on the blade.</table>

International Journal of Rotating Machinery

fig7

Figure 7

Figure 7: A Wake Model for the Prediction of Propeller Performance at Low Advance Ratios 