Ornithopters Ornithopters are like birds having wings; earliest design for airplanes come from this concepts. This usually mimics the flapping …

Aerodynamic coefficients plays an important role in performance analysis as well as  design of aeroplanes.Coefficient of lift is defined as …

Pathlines: It is the path traced by a fluid particle over a given period of time.For unsteady flow,path lines for …

Lifting flow over a circular cylinder can be synthesised as superposition of a vortex flow of strength \(\tau \) with non …

When there is a superposition of a uniform flow with a doublet (Which is a source-sink pair of flows), a …

For an incompressible flow \(\rho  = {\rm{constant}}\). \(\nabla  \cdot V\) is physically the time rate of change of volume of a moving …

Stream function \(\left( {{\rm{\psi  = constant}}} \right)\) gives the equation of a streamline and the flow velocity is obtained by differentiating \({\rm{\psi …

Continuity equation is used to describe the transport of some quantities. It is based on the law of conservation of …

Pathlines: It is the path traced by a fluid particle over a given period of time.For unsteady flow,path lines for …

Euler’s equation is given as \[dp =  – \rho vdv\]This equation applies to an incompressible and in-viscid flow where \(\rho  = \,{\rm{constant}}\). …