Kisan Kumar's Profile

215
Points

Questions
65

21

• ## What is a Jet lag ?

What is a Jet lag ?

Asked on 8th September 2021 in
• 19 views
• ## Find the location of this tap on cylindrical surface such that there is no deflection of fluid in the manometer.

A circular cylinder and a sphere are in a free stream flow with their axis perpendicular to the flow. At …

Asked on 1st September 2021 in
• 67 views
• ## 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 …

Asked on 22nd July 2021 in
• 118 views
• ## Can an airfoil fly upside-down ?

A positively cambered airfoil has a zero-lift angle of $$-3.5^{\circ}$$. The lift slope for this airfoil is $$0.12$$ per degree. …

Asked on 13th July 2021 in
• 125 views
• ## Find the velocity of air in the test section of a low speed open circuit subsonic wind tunnel which has an inlet -to-throat area ratio of $$10$$.

Find the velocity of air in the test section of a low speed open circuit subsonic wind tunnel which has …

Asked on 15th June 2021 in
• 130 views
• ## Find the acceleration of a fluid particle in the $$x$$ direction.

Find the acceleration of a fluid particle in the $$x$$ direction at $$(x,y) = (3,1)$$ for a velocity field, which …

Asked on 5th May 2021 in
• 271 views
• ## Find the equation of the streamline which is passing through the point $$\left ( 2,6 \right )$$.

A velocity field is given by $$u=\frac{y}{x^{3}+y}$$ and $$v=\frac{-x}{x^{3}+y}$$. Find the equation of the streamline which is passing through the …

Asked on 15th April 2021 in
• 191 views
• ## Find the reservoir pressure for a nozzle of a supersonic wind tunnel.

Find the reservoir pressure for a nozzle of a supersonic wind tunnel which has an exit-to-throat area ratio of $$4.441$$. …

Asked on 26th March 2021 in
• 119 views
• ## Find the speed of sound in air at a temperature of 250 K.

Find the speed of sound in air at a temperature of 250 K.

Asked on 11th March 2021 in
• 168 views