• Question Tag: Circulation
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• ## A NACA 4421 airfoil having a chord length of $$2\,m$$ is flying at an velocity of $$70\,m/s$$ at an altitude of $$2\,km$$. Find the lift per unit span and the circulation at an angle of attack of $$4^{\circ}$$, for this airfoil.

A NACA 4421 airfoil having a chord length of $$2\,m$$ is flying at an velocity of $$70\,m/s$$ at an altitude …

Kisan Kumar Asked on 22nd July 2021 in
• 796 views
• ## Find the circulation around a spinning circular cylinder in free stream flow of velocity $$40\,m/s$$ at a standard sea level conditions, if the lift produced by the cylinder is $$8\,N/m$$ of span.

Find the circulation around a spinning circular cylinder in free stream flow of velocity $$40\,m/s$$ at a standard sea level …

Kumar59 Asked on 16th June 2021 in
• 623 views
• ## A velocity field is given by $$u=x^{2} + y$$ and $$v= x^{3} + 2y$$. Find the circulation around a closed contour which is defined by $$x = 1, y = 0, y = 1$$ and $$x = 0$$. Units of $$u$$ and $$v$$ are in $$m/s$$.

A velocity field is given by $$u=x^{2} + y$$ and $$v= x^{3} + 2y$$. Find the circulation around a closed …

techAir Asked on 15th April 2021 in
• 787 views
Consider a velocity field where x and y components of velocity are $$u = 5y/\left( {{x^2} + {y^2}} \right)$$ and \(v =  …