Abstract
A time-accurate solution procedure and its application to ducted-propeller configuration is described in this article. Three-dimensional unsteady Euler equations are solved using a hybrid scheme to reduce the computational time and memory requirements. The solution procedure is applied to a ducted-propeller obtained by enclosing an eight-bladed SR7 advanced propeller within a duct with NACA 0003 airfoil cross section, operating in a steady axisymmetric flowfield. The performance characteristics are compared with other published numerical results. The effect of tip-gap is found to be significant on performance and flow characteristics.
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