.... open-water characteristic tip clearance quasi-continuous method duct experimental data ka-sery propeller prediction camber surface ducted propeller coefficient vortex sheet propeller blade energy conservation vortex vortice coordinate system calculation propeller control point...

... the potential flow disturbance due to the presence of a hub and assume that the circulation vanishes at the hub and tip radii: 0 Rrh . (3) From each lifting line a vortex sheet is shed with strength tedr d rr , (4) where te r is a unit vector tangent to the vortex sheet and aligned with the local fluid flow...

... vortex sheet torque vortice yoerger thruster upstream oil & gas correspond simulation thrust angular velocity propeller rpm vortex panel controller fluid velocity massachusetts institute vehicle auv thruster propeller blade flow velocity revolution Proceedings...

... method was introduced by Chorin in 1973 to de- termine forces acting on a circular cylinder in a slightly viscous flow. Vortex blobs are generated on the cylinder contour to satisfy the non-slip boundary condition. Later on, Chorin (1978) improved the method introducing vortex sheets close...