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Consider an incompressible two-dimensional viscous flow over a curved surface. Let the pressure distribution on the surface be \(p(s)=2+sin\left ( \frac{\pi}{2}+s \right )\;N/m^2\),where \(s\) is the distance along the curved surface from the leading edge. Find the distance from where the flow separates.
Consider an incompressible two-dimensional viscous flow over a curved surface. Let the pressure distribution on the surface be \(p(s)=2+sin\left ( …
GATE

incompressible flow

Kisan Kumar Asked on 30th December 2019 in Aerodynamics.
- 1K views
- 1 answers
- 0 votes
Poll The angular momentum about the centre of mass of the earth of an artificial satellite in a highly elliptical orbit is
The angular momentum about the centre of mass of the earth of an artificial satellite in a highly elliptical orbit …
GATE

satellite

Kisan Kumar Asked on 12th November 2019 in Astrodynamics.
- 944 views
- 2 answers
- 0 votes
Poll The absolute ceiling of an aircraft is the altitude above which it
The absolute ceiling of an aircraft is the altitude above which it
Aircraft performance

flight mechanics

GATE

Kisan Kumar Asked on 11th November 2019 in Flight mechanics.
- 815 views
- 2 answers
- 0 votes
All the factors remaining constant, if the weight of an aircraft increases by \(30 \%\) then the take off distance will increase by approximately.
All the factors remaining constant, if the weight of an aircraft increases by \(30 \%\) then the take off distance …
Aircraft performance

GATE

take-off distance

Kisan Kumar Asked on 10th November 2019 in Flight mechanics.
- 1K views
- 1 answers
- 0 votes
Consider a steady two-dimensional zero pressure gradient laminar flow of air over a flat plate as shown below. Find the ratio of displacement thickness to momentum thickness of the boundary layer at a distance of 2m from the leading edge.
Consider a steady two-dimensional zero pressure gradient laminar flow of air over a flat plate as shown below. The free …
GATE

Kisan Kumar Asked on 15th October 2019 in Aerodynamics.
- 2K views
- 1 answers
- 0 votes
Find the shock angle and the total temperature at point P.
Consider an inviscid, adiabatic flow of air at free stream Mach number \(M_{\infty}=2\), across a compression corner \(\left ( \theta …
GATE

Kisan Kumar Asked on 15th October 2019 in Aerodynamics.
- 1K views
- 1 answers
- 0 votes
Poll Prandtl’s lifting line theory.
In the context of prandtl’s lifting line theory for a finite wing,which of the following combinations of statement is true?
GATE

Kisan Kumar Asked on 15th October 2019 in Aerodynamics.
- 880 views
- 2 answers
- 0 votes
Consider flow over a thin aerofoil at Mach number,\(M_{\infty}=0.5\) at an angle of attack of \(\alpha\). Using the Prandtl-Glauert rule for compressibility correction find a formula for lift coefficient \(C_{L}\).
Consider flow over a thin aerofoil at Mach number, \(M_{\infty}=0.5\) at an angle of attack of \(\alpha\). Using the Prandtl-Glauert …
GATE

Kisan Kumar Asked on 14th October 2019 in Flight mechanics.
- 2K views
- 1 answers
- 0 votes
Consider the inviscid,adiabatic flow of air at free stream conditions \(M_{1}=2,P_{1}=1\;atm\) and \(T_{1}=288\;K\) around a sharp expansion corner \(\left ( \theta =20^{\circ} \right )\). Assume air to be calorically perfect with \(\gamma =1.4\). What is the Mach number \(M_{2}\), downstream of the expansion corner ?
Consider the inviscid,adiabatic flow of air at free stream conditions \(M_{1}=2,P_{1}=1\;atm\) and \(T_{1}=288\;K\) around a sharp expansion corner \(\left ( …
GATE

Kisan Kumar Asked on 14th October 2019 in Aerodynamics.
- 1K views
- 1 answers
- 0 votes
An elliptic orbit has its perigee at 400 km above the earth’s surface and apogee at 3400 km above the earth’s surface. For this orbit, what is the eccentricity and semi-major axis respectively.
An elliptic orbit has its perigee at 400 km above the earth’s surface and apogee at 3400 km above the …
GATE

Kisan Kumar Asked on 14th October 2019 in Space dynamics.
- 1K views
- 1 answers
- 0 votes

Poll The angular momentum about the centre of mass of the earth of an artificial satellite in a highly elliptical orbit is

Poll The absolute ceiling of an aircraft is the altitude above which it

All the factors remaining constant, if the weight of an aircraft increases by \(30 \%\) then the take off distance will increase by approximately.

Consider a steady two-dimensional zero pressure gradient laminar flow of air over a flat plate as shown below. Find the ratio of displacement thickness to momentum thickness of the boundary layer at a distance of 2m from the leading edge.

Find the shock angle and the total temperature at point P.

Poll Prandtl’s lifting line theory.

Consider flow over a thin aerofoil at Mach number,\(M_{\infty}=0.5\) at an angle of attack of \(\alpha\). Using the Prandtl-Glauert rule for compressibility correction find a formula for lift coefficient \(C_{L}\).

An elliptic orbit has its perigee at 400 km above the earth’s surface and apogee at 3400 km above the earth’s surface. For this orbit, what is the eccentricity and semi-major axis respectively.

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