The bound and trailing vortex cancel out each other in the plane of the airscrew blade.(a) True(b) FalseI got this question in examination.I need to ask this question from Blade Element Theory in chapter Helicopter Dynamics of Aerodynamics

The bound and trailing vortex cancel out each other in the plane of th

1.	The bound and trailing vortex cancel out each other in the plane of the airscrew blade.(a) True(b) FalseI got this question in examination.I need to ask this question from Blade Element Theory in chapter Helicopter Dynamics of Aerodynamics
Answer» Right CHOICE is (b) False Easy explanation: There are THREE planes that can be considered- ONE immediately ahead of the plane, in plane of the blade and one immediately behind the blade. In case of the plane which is immediately ahead of the blade, the ANGULAR VELOCITY is zero resulting in bound and trailing vortices canceling out each other.

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