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Aerodynamics
Page 2
Questions (192)
An airplane pilot wishes to fly due west. A wind of 90.0 km/h is blowing toward the south.If the airspeed of the plane (its
1 answer
asked by
physics
1,141 views
why the speed of sound is faster in solids than in gases.
2 answers
asked by
sidney
509 views
a twin-engine cessna is heading on bearing of 35 degrees with an air speed of 180 mph. if the wind is out with a bearing of 90
2 answers
asked by
BK
781 views
Can you help me figure out the manipulated , responding, & controlled variables in the following?
Walker wanted to test how
1 answer
asked by
Alexis
353 views
A small wind tunnel is being built for studying insect flight. The first test section built has a uniform height h=0.1m and
1 answer
asked by
Fer
441 views
Please if you could help with this...
and explain very carefully I'll be very thankful. The dragonfly has a wing chord of 0.01 m,
1 answer
asked by
Tony
459 views
A dragonfly wing airfoil is essentially a thin plate, whose upper and lower surface velocities can be closely approximated by
ue(
2 answers
asked by
JuanPro
531 views
Consider a hill and a ridge as illustrated in the figure below. Both the hill and ridge have a semi-circular xz cross-section of
2 answers
asked by
JuanPro
508 views
Consider a flat plate in a supersonic flow at an angle of attack as shown in the figure above, and assume the flow is inviscid.
1 answer
asked by
Anonymous
477 views
A pilot is flying an airplane. Due to strong winds the pilot decides to fly 4000 feet lower to avoid excessive turbulence. It
3 answers
asked by
Jozikee
51 views
a plane is flying in the direction of 190 degrees with an air speed of 400 mph. Its course and ground speed are 200 degrees and
2 answers
asked by
Sheryl
611 views
3. What are the units for Coeffecient of Lift?
[kgm^-3] No units [Ns] [N^2] [N] [ms^-1] [kg] 4. What are the units for the ratio
1 answer
asked by
John
997 views
Below you see a figure of a flying wing, so an aircraft without a tail. Its centre of gravity is situated behind the aerodynamic
3 answers
asked by
shawon
49 views
Below you see a figure of a flying wing, so an aircraft without a tail. Its centre of gravity is situated behind the aerodynamic
3 answers
asked by
Shawon
46 views
As an aircraft flies across the globe, it must continuously pitch (with respect to an inertial frame of reference) to keep
5 answers
asked by
shawon
53 views
how we understand that yaw angle will be positive or negative the aircraft get?
3 answers
asked by
shawon
56 views
Make a hot air balloon sentence using a jarin
3 answers
asked by
bot help
25 views
Consider an airplane wing of area 15 m2. The airflow speed over the top of the wing is 205 m/s, while the speed across the
1 answer
asked by
Dave
489 views
A jetliner with an airspeed of 1000 kmlhr sets out on a 1500 km flight due south. To maintain
a southward direction, however, the
2 answers
asked by
ringo
980 views
what happenswhen its time to launch the hot air balloon
1 answer
asked by
marco
407 views
A general aviation aircraft (m = 1200 kg) flies (under ISA conditions) at 850 metres altitude, with a constant velocity (true
3 answers
asked by
shawon
46 views
A twin-engined propeller aircraft is equipped with two engines, each rated at 98 kW shaft power. During cruise flight at 72 m/s
3 answers
asked by
shawon
54 views
What heading (or direction) and airspeed (speed in still air) are required for an airplane to fly 837 mph due north if a wind of
2 answers
asked by
miles
558 views
Unlike a ship, an airplane does not use its rudder to turn. It turns by banking its wings: The lift force , perpendicular to the
3 answers
asked by
Cesar
514 views
Lacking thrust, a glider can’t maintain level flight at constant speed in still air. It can, however, glide at a constant
6 answers
asked by
Diane
607 views
The rate of climb of an aircraft is generally computed from Pressure measurements to illustrate the principle behind this
3 answers
asked anonymously
49 views
At some point on its trip a Concorde aircraft flies 520 m/s at an altitude where the temperature is -56 degree C. Determine the
3 answers
asked by
shawon
60 views
a pilot is flying an airplane. Due to strong winds the pilot decides to fly 4,000 feet lower to avoid excessive turbulence. it
3 answers
asked anonymously
69 views
Suppose an airliner is planning to fly an Airbus A319 very low over a water surface, thereby increasing its lift coefficient by
3 answers
asked by
shawon
72 views
Can anyone please help with this one?
The newest jet fighter, the F-22 Raptor, cruises at 1.5 times the speed of sound. The speed
3 answers
asked by
Robin
455 views
When a plane experiences a decrease in weight must there also be decrease in lift? I'm thinking the answer is yes in order to
3 answers
asked by
Physics
255 views
Flying to Kampala with a tailwind a plane averaged 158 km/h. On the return trip the plane only
averaged 112 km/h while flying
2 answers
asked by
jen
1,028 views
Modern airplane design calls for a lift, due to the net force of the moving air on the wing, of about 2000 N per square meter of
1 answer
asked by
Jen
679 views
You are given four statements about the NACA airfoil with code “XYZZ”:
The X stands for the camber as percentage of the wing
1 answer
asked by
shawon
40 views
You are given four statements about the NACA airfoil with code “XYZZ”:
The X stands for the camber as percentage of the wing
1 answer
asked by
shawon
39 views
What is a lift-drag polar? The curve showing the lift coefficient as function of the drag coefficient. The curve that indicates
1 answer
asked by
shawon
63 views
What measure(s) can be taken to reduce the drag at transonic and supersonic air speeds? Reduce the tip chord of the wing,
1 answer
asked by
shawon
62 views
What measure(s) can be taken to reduce the drag at transonic and supersonic air speeds? Reduce the tip chord of the wing,
1 answer
asked by
shawon
62 views
An aircraft with a wing area of 29 m flies with a velocity of 300 km/h, at an altitude where the air density is 0.92 kg/m^3. Its
1 answer
asked by
shawon
63 views
An aircraft with a wing area of 29 m flies with a velocity of 300 km/h, at an altitude where the air density is 0.92 kg/m^3. Its
1 answer
asked by
shawon
44 views
Calculate the ratio of the drag force on a passenger jet flying with a speed of 750 km/h at an altitude of 10 km to the drag
1 answer
asked by
COFFEE
1,105 views
Which has more air resistance: a flat sheet of paper or a paper airplane? (1 point)
Responses a paper airplane because it has a
1 answer
asked by
Jojo
50 views
An airplane's velocity with respect to the air is 580 miles per hour, and its bearing is 332 degrees. The wind, at the altitude
4 answers
asked by
ASH
2,310 views
(a) Find the pressure difference on an airplane wing where air flows over the upper surface with a speed of 126 m/s, and along
3 answers
asked by
aok
1,887 views
a fan on a floating barge blows air at high speed toward the right.
a)will the barge move? if so, what direction? explain. B) a
3 answers
asked by
dude
1,555 views
1. In order for an airplane to fly, which of the following must be true?
a) The thrust must be equal to or greater than the drag,
7 answers
asked by
Alysa
1,499 views
If Goldberg is delivering presents at an altitude of 5,813.6ft, with the same drag and weight of a 2019 Challenger SRT® Hellcat
5 answers
asked by
Luis
1,340 views
(a) Find the pressure difference on an airplane wing where air flows over the upper surface with a speed of 126 m/s, and along
4 answers
asked by
aok
1,275 views
A jet is flying through a wind that is blowing with a speed of 45 mi/h in the direction N 30° E (see the figure). The jet has a
1 answer
asked by
kimberly
1,257 views
If you are flying to a city 800 miles away, what will be the difference in flight times between flying into a 40-mph headwind
2 answers
asked by
Christina
1,222 views
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Parent Categories (17)
Aerospace Engineering
Aircraft performance
Aviation
Engineering/ Aerospace Engineering
Fluid Dynamics
Fluid Mechanics
Forces
Forces and Motion
Mechanics
Mechanics and Fluids
Motion
Physics
Physics and Engineering
Principles of Flight
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