techAir's Profile

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• ## How urban air mobility work?

How urban air mobility work?

Asked on 13th December 2021 in
• 666 views
• ## What are the instruments that are present inside an aircraft’s cockpit?

What are the instruments that are present inside an aircraft’s cockpit?

Asked on 8th November 2021 in
• 506 views
• ## What are jet engine and scramjet engine ?

What are jet engine and scramjet engine ?

Asked on 7th September 2021 in
• 635 views
• ## Considering, $$\tau = 0.1$$, find the angle of attack for the wing. Also, find the induced drag for the airplane, if span efficiency factor is $$0.6$$.

An airplane is cruising at $$50\,m/s$$ at standard sea level in straight and level flight. The airplane has a wing …

Asked on 12th August 2021 in
• 444 views
• ## Find the location of the aerodynamic center.

An airfoil has a lift coefficient and moment coefficient of $$-0.35$$ and $$-0.050$$ about quarter-chord at $$-6^{\circ}$$ angle of attack. …

Asked on 22nd July 2021 in
• 726 views

A pitot tube of an airplane which is flying at an standard sea level measures a pressure of $$1.09 \times … Asked on 16th June 2021 in • 473 views • 1 answers • 0 votes • ## Find the angular velocity about the \(z$$-axis, acceleration and the vorticity at point $$(2,3,5)$$ at $$t = 3$$ seconds.

A velocity field is given by $$V= 5xyi+8txzj+xzk$$. Find the angular velocity about the$$z$$-axis, acceleration and the vorticity at …

Asked on 5th May 2021 in
• 567 views
• ## Find the circulation around a closed contour which is defined by $$x = 1, y = 0, y = 1$$ and $$x = 0$$.

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

Asked on 15th April 2021 in
• 601 views
• ## Find the nozzle’s exit temperature and density if its exit pressure is $$1\,atm$$.

The reservoir of a supersonic wind-tunnel has a total temperature and total pressure of $$600\,K$$ and $$11\,atm$$. If the flow …

Asked on 15th April 2021 in
• 524 views