How does a turbulent boundary layer produce swirls?

Related MCQs

• The boundary layer thickness at a distance of l m from the leading edge of a flat plate, kept at zero angle of incidence to the flow direction, is O.l cm. The velocity outside the boundary layer is 25 ml sec. The boundary layer thickness at a distance of 4 m is (Assume that boundary layer is entirely laminar.)
• The turbulent boundary layer is a _________
• The boundary layer thickness in turbulent flow varies as (where x is the distance from leading edge.)
• The distance y from pipe boundary, at which the point velocity is equal to average velocity for turbulent flow, is (where R is radius of pipe.)
• For hydro-dynamically smooth boundary, the friction coefficient for turbulent flow is
• The distance from pipe boundary, at which the turbulent shear stress is one-third die wall shear stress, is (where R is the radius of pipe.)
• The main property that affects a boundary layer is__________
• The layer that is influenced by a planetary boundary is called______
• What is the other name for Stoke’s boundary layer?
• The laminar boundary layer is a _________