Bernoulli's equation and an airplane's wing?

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Bernoulli's equations explain 100% of the lifting force created by wings. But Newton's third law also explains 100% of the lifting force. This should not be suprising, since Bernoulli's equations are based on Newton's laws. Bernoulli and Newton are two different ways of explaining a complicated situation. Neither is more "right" than the other. If we choose one explanation while ignoring the other, then our understanding of flight will be incomplete.
To be clearer... Bernoulli's equation describes the lifting force in terms of pressures applied to the wing surface. There are no other forces involved. If we know the pattern of pressures, then we know the lifting force. Yet the explanation of flight remains incomplete. Wings feel pressure because they change the motion of the surrounding "parcels" of air, and air has mass. If a wing applies a force which causes air to accelerate downwards, then by Newton's 2nd and 3rd laws, the wing must experience an equal upwards lifting force. If we know the acceleration of the air surrounding the wing, then we know the lifting force.
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What is Bernoulli's Principle?

The relationship between the velocity and pressure exerted by a moving liquid is described by the Bernoulli's principle : as the velocity of a fluid increases, the pressure exerted by that fluid decreases. Airplanes get a part of their lift by taking advantage of Bernoulli's principle. Race ca (MORE)

What about an airplane's wing helps it to fly?

Because of the shape of the wing, the distance over the top is longer than the distance via the underside. Therefore the air has to travel faster over the top. Now Bernoulli's Principle states, the greater the speed of a fluid the less the lateral pressure, ergo the pressure is less on the top of th (MORE)

Explain bernoulli's principle?

In simple terms, if a fluid is flowing through a pipe, as the radius of the pipe decreases the speed of fluid flow must increase and visa-versa.

What is bernoulli's law?

This is an important principle involving the movement of a fluid through a pressure difference. Suppose a fluid is moving in a horizontal direction and encounters a pressure difference. This pressure difference will result in a net force, which by Newton's 2nd law will cause an acceleration of the f (MORE)

What does Bernoulli's Principle state?

Bernoulli's principle states that an increase in the speed of a liquid results in a decrease in pressure, and a decrease in the speed of a liquid results in an increase in pressure Bernoulli's Principle states that as the velocity of a fluid increases, the pressure exerted by that fluid decreases.

Examples of bernoulli's principle?

An airplane wing. The top is curved, so the air traveling over the top of the wing needs to travel faster than the air going along the bottom. As the velocity of air increases the pressure decreases.

What forces act on an airplane's wing?

There are four. Lift, drag, gravity and thrust. Let's break it down.. Thrust comes from the engines. Either the drives are attached to the wing or to the body of the craft and thus to the wing. Thrust moves the aircraft (and its wing) forward.. Drag is the aerodynamic resistance of the wing. The a (MORE)

What is Bernoulli's theory?

This is a very simple explanation that I have given to my Grade 6 students. Bernoulli's Theory, which originally was applied to his research in fluids & medicine (particularly blood pressure), helps explain how planes fly. He discovered the principal that the pressure of a fluid decreases when its s (MORE)

What is bernoulli's experiment?

The Bernoulli experiment is a trial that has two differentoutcomes, failure and success. The experiment can be used inflipping a coin or rolling a die.

What is bernoulli's principle of flight?

Bernoulli's principle says that air moving faster over the top of the wing is of lower pressure. The difference in the speed of the airflow between the top and bottom of the wing is due to the difference in "chord" length of the wing top and bottom. The classical wing shape has a longer chord over t (MORE)

Bernoulli's principle explains why?

Bernoulli's principle was published by Daniel Bernoulli in his book'Hydrodynamica' in 1738. It states that for an iviscid flow, thespeed increase of fluid and the decrease in pressure occurssimultaneously.

What is the shape of a airplane's wing called?

The simple answer is an Airfoil. The upper surface of most aircraftwings, will have a curve to it ,while the lower surface isrelatively flat. Aerodynamic or it is said to be in the shape of 'aerofoil'

How does an airplane's design allow flight?

Aircraft consist of a few major sections, the Wings, Empennage, Flight Controls and Fuselage. As the speed of the aircraft increases winds travel under the wings at a faster speed then going over the wing causing Lift. As long as there is enough lift it causes the Aircraft to fly.

What is Daniell Bernoulli's Theory of Flight?

Bernoulli believed that the air flowing over and under an aircraft's wings created unequal pressures because of the curved shape. He believed that the air passing over the upper curved surface was 'stretched out' so it exerted less pressure. This created greater pressure underneath so the wing lifte (MORE)

What is in an airplane's first aid kit?

They usually contain basic bandages such as band aids. They also usually have some protection like rubber gloves. Mostly all of them have some kind of disinfectant for cuts. More advanced kits contain tweezers and scissors. There are a huge variety of materials that can be put in a first aid kit.

How is the lift equation useful when you are designing a wing?

A wing will generate lift according to the following equation: L = ½ A C ρ v² A = wing area C = lift coefficient ρ = air density v = air speed From the equation you can see that the lift force is directly proportional to the wing area. Double the wing area and you double t (MORE)

An airplane's usual speed?

Small single-engined airplanes seldom exceed 140 mph, with more complex single- and twin- engine piston aircraft reaching 200 - 250 mph. Turboprop aircraft generally cruise in the 300 - 350 mph range, while nearly all jets (except military aircraft) cruise between 450 and 600 mph.

What is the importance of bernoulli's principle?

BernoulliÃ?s Principle is a very important due to it being thestarting foundation for aerodynamics. Without this importantdiscovery we would not know that the velocity of a fluid (whichincludes air increases, its pressure decreases. Knowing thisprinciple enable us to fly in airplanes.

What is Bernoulli's Principle help explain?

In the flow of a fluid, higher speed creates a lower pressure. When air (a fluid) moves over an airplane wing, the air moving over the TOP of the wing has to travel further than air moving over the bottom, so it is sped up. This creates lower pressure ABOVE the wing, and higher pressure air UNDER th (MORE)

What is different between Bernoulli's equation and Continuity equation?

Answer First, we use the continuity equation to relate the two velocities. The two areas are. related by A1 = 4A2 (note that it's 4, not 2: if the radius doubles, the area quadruples.) Thus. the continuity equation says that. v1A1 = v2A2. so that v2 = 4v1 (the. uid in the larger pipe. ows slow (MORE)

How does an airplane's wheels works?

They roll due to the thrust of the Aircraft during taxi and take off. They roll on landing due to weight of the Aircraft transferred to the tires and it's speed at touch down. There is no drive shaft to roll the wheels only the energy in the airframe and powerplants.

What is bernoulli's princeiple?

If you mean Bernoulli's principle, it's the statement that an increase in the speed of a fluid produces a decrease in pressure and a decrease in the speed produces an increase in pressure.

What does bernoulli's principle state about fluids?

It states that along any streamline (a streamline is the path traced out by arbitrarily small element of the fluid), the following equality holds: p + ½ρv² + ρgz = constant p - static pressure ρ - density v - speed g - gravitational acceleration z - vertical position (MORE)

How can an airplane's wing helps an airplane fly?

It's because the airplane needs space to store computers and gear but also because the airfoil creates lift usually the bottom of the wing is slightly curved but the top goes and curves sharply up and gradually goes down creating lift. P.S The flaps(These create more control at low speeds and produc (MORE)

How can we apply bernoulli's theorem on fliuds?

The total energy of flow of fluid is the sum of kinetic energy and potential energies. It can be written in terms of head. E = velocity head + pressure head + elevation head Where velocity head is the kinetic energy pressure head and elevation head are the potential energies. In symbol, th (MORE)

How does lift push an airplane's wing upward?

A wing creates lift by imparting a downward momentum to the air flowing above and below it. The rate of change of momentum is equal to Force (Newton's 2nd law), and therefore a reaction force pushes the wing up, producing lift (Newton's 3rd law). The imparting of this downward momentum ("downwash (MORE)

What are applications of bernoulli's principle?

One interesting application is the one that makes airplanes fly. The wings are shaped in such a way that air moves faster on the upper side than on the lower side; the difference in pressure which this causes is the main reason the airplane keeps in the air.

Why is bernoulli's principle a principle and not a law?

There is confusion over this because "law" and "theory" mean very different things in every day life compared to science. A "law" is just an outdated term for "theory." Theories are explanations of a phenomenon that have undergone rigorous experiments by scientists. A law is no more scientifically v (MORE)

Do airplane's have a wheel and axle?

They should. A wheel is a circular device that is attached to a rigid bar in its center. A force applied to the wheel causes the axle to rotate. so if a plane lands while rolling on wheels, shouldn't it have an axle? a car? Think about it. -hope I helped a bit :/

What is bernoulli's principle and its importance?

Bernoulli's Principle states that as the velocity of a fluid increases, the pressure of the fluid decreases. This is important in creating lift under an airplane's wing. Due to the shape of the wing, the velocity of the air (a fluid) flowing over the wing is higher, so the pressure over the wing is (MORE)

What is bernoulli's basic theory?

The basic idea of the Bernoulli's Principle is very much related to the idea of conservation of energy. Bernoulli states that for laminar flow of an ideal fluid, the energy density (energy per volume) is constant. In other words, the state (magnitude) of an incompressible and non-viscous fluid th (MORE)

How does Bernoulli's principal relate to flight?

Bernoulli's principal is used on the wings of a plane. The wing of a plane is shaped in a certain way that the air that flows over the top of the wing takes longer to reach the back of the wing than the air that flows under the wing. This air flow creates a pressure drop. This helps the wing get "li (MORE)

What are some applications of Bernoulli's principle?

Bernoulli's Principle can be applied to many areas. A common example would be in plumbing. Bernoulli's equation depicts how the energy density of a specific fluid is conserved. In other words, we can model a fluid's movement by obeying the principle. When designing a plumbing system, this principle (MORE)

How Bernoulli's theorem is modified?

A statement of the conservation of energy in a form useful for solving problems involving fluids. For a non-viscous, incompressible fluid in steady flow, the sum of pressure, potential and kinetic energies per unit volume is constant at any point A special form of the Euler's equation derived along (MORE)

How does an airplane's bomb bay work?

The bombs are hooked on with electrically operated latching hooks. In some aircraft individually triggered, in some all together. The bomb bay doors operate just like undercarriage doors with a hydraulic ram. When the bay doors are open, bomblatches can be triggerred and bombs will fall.

Why pressure is inversely proportional to velocity in bernoulli's equation?

Usually in a streamlined motion the sum of three heads have to be constant always. They are pressure head velocity head and gravitational head In case of horizontal pipe gravitational head is already a constant Now velocity head + pressure head = constant So as velocity head increases then automatic (MORE)