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An airplane is flying at an altitude of \(10,000\,m\) with a turbojet engine at a velocity of \(900\, km/h\). The inlet and exit areas of the turbojet engine are \(0.9\,m^2\) and \(1.3\,m^2\). Find the thrust produced by the engine if the exhaust velocity and pressure are \(500\,m/s\) and \(32500\,N/m^2\).
An airplane is flying at an altitude of \(10,000\,m\) with a turbojet engine at a velocity of \(900\, km/h\). The …
thrust

turbojet

techAir Asked on 12th February 2021 in Propulsion.
- 2K views
- 1 answers
- 0 votes
Find the neutral point and static margin of an airplane if the location of the aerodynamic center is at \( 0.3\) chord length, the location of center of gravity is at \(0.38\) chord length, tail volume ratio is \(0.352\), tail lift slope is \(0.12\) per degree, lift slope of the wing body is \(0.085\) per degree and \(\frac{{\partial \varepsilon }}{{\partial \alpha }}\) from wind tunnel data is \(0.36\).
Find the neutral point and static margin of an airplane if the location of the aerodynamic center is at \( …
Aircraft performance

Airplane design

Worldtech Asked on 12th February 2021 in Flight mechanics.
- 2K views
- 1 answers
- 0 votes
Consider wing-body combination of an airplane. Find the coefficient of lift of this wing body if the coefficient of moment about the center of gravity and the coefficient of moment about aerodynamic center is \(0.006\) and \(-0.015\). Aerodynamic center is forward of the center of gravity at \(0.035\) chord length.
Consider wing-body combination of an airplane. Find the coefficient of lift of this wing body if the coefficient of moment …
Aircraft performance

Airplane design

techAir Asked on 12th February 2021 in Flight mechanics.
- 2K views
- 1 answers
- 0 votes
Find the turn radius and turn rate of an airplane, flying at a velocity of \(403.2\, km/h\) and has a lift coefficient of \(1.3\). Airplane has a wing area of \(48\,m^2\) and weighs \(100,000\,N\), and is flying at sea level.
Find the turn radius and turn rate of an airplane, flying at a velocity of \(403.2\, km/h\) and has a …
Aircraft performance

Airplane design

Worldtech Asked on 3rd February 2021 in Flight mechanics.
- 2K views
- 1 answers
- 0 votes
Find the gliding distance of an aircraft flying at an altitude of \(1500\,m\) with a maximum lift to drag ratio of \(8\).
Find the gliding distance of an aircraft flying at an altitude of \(1500\,m\) with a maximum lift to drag ratio …
Airplane design

drag force

lift and drag

lift force

techAir Asked on 3rd February 2021 in Aeronautics.
- 2K views
- 1 answers
- 0 votes
Find the total drag of an airplane flying at a velocity of \(90\,m/s\) with \(L/D\) ratio maximum. Airplane is weighing \(23000\,N\) and has a wing area of \(20\,m^2\) and an aspect ratio of \(9\).
Find the total drag of an airplane flying at a velocity of \(90\,m/s\) with \(L/D\) ratio maximum. Airplane is weighing …
drag

drag coefficient

drag force

Induced drag

Worldtech Asked on 3rd February 2021 in Aeronautics.
- 2K views
- 1 answers
- 0 votes
Find the stalling speed of an airplane which has a wing area of \(17\,m^2\) and is flying at sea level with maximum lift coefficient of \(2.2\), flaps down. Weight of the airplane is \(8000\,N\).
Find the stalling speed of an airplane which has a wing area of \(17\,m^2\) and is flying at sea level …
Aircraft performance

Airplane design

airspeed

Stall

techAir Asked on 3rd February 2021 in Flight mechanics.
- 2K views
- 1 answers
- 0 votes
An airplane having a weight of \(10,000 N\) is flying at a velocity of \(260\,km/h\) at standard sea level conditions. Find the induced drag, if the wing of the airplane has an area of \(16\,m^2\) and has an aspect ratio of \(7.4\).
An airplane having a weight of \(10,000 N\) is flying at a velocity of \(260\,km/h\) at standard sea level conditions. …
Airplane design

drag

drag force

Induced drag

Worldtech Asked on 3rd February 2021 in Flight mechanics.
- 2K views
- 1 answers
- 0 votes
What are expansion waves?
What are expansion waves? How does it originates?
Expansion wave

Supersonic airplanes

Supersonic flow

Kumar59 Asked on 18th January 2021 in Aerodynamics.
- 2K views
- 1 answers
- 0 votes
What are shock waves? How does it originates?
What are shock waves? How does it originates?
Shock waves

Supersonic airplanes

Supersonic flow

Kisan Kumar Asked on 18th January 2021 in Aerodynamics.
- 2K views
- 1 answers
- 0 votes

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