Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsFluid Velocity in Rigid Body Rotation and Irrotational Flowhttp://demonstrations.wolfram.com/FluidVelocityInRigidBodyRotationAndIrrotationalFlow/]]>http://demonstrations.wolfram.com/FluidVelocityInRigidBodyRotationAndIrrotationalFlow/