cambered aerofoil generates no lift when it is moving parallel to an axis called the zero-lift axis (or the zero-lift line.) When the angle of attack...

the lower surface. Lift-to-drag ratio Drag coefficient Foil (fluid mechanics) Pitching moment Circulation control wing Zero lift axis Clancy, L. J. (1975)...

term related to the pitch axis of an airplane. It is the angle between the zero-lift axis of the wing and the zero-lift axis of the horizontal tail. Longitudinal...

longitudinal axis). Some authors do not use an arbitrary chord line but use the zero lift axis where, by definition, zero angle of attack corresponds to zero coefficient...

rocketry for zero length launch 0L, an abbreviation for zero in the Lebesgue measure 0L, an abbreviation in aerodynamics for zero lift axis Zero-lift drag coefficient...

Where t is the thickness ratio. Chord NACA airfoil Aerodynamic drag Zero-lift axis Rumerman, Judy (n.d.). "Sir George Cayley—Making Aviation Practical"...

bottom of this page). A roll is simply rotating the plane about its roll axis, using the ailerons. It can be done in increments of 360 degrees (i.e. four...

A rotor wing is a lifting rotor or wing which spins to provide aerodynamic lift. In general, a rotor may spin about an axis which is aligned substantially...

stall, lift is significantly reduced, though it does not drop to zero. The maximum lift that can be achieved before stall, in terms of the lift coefficient...

by increasing the lift on one wing and decreasing it on the other. This differential lift causes rotation around the longitudinal axis. The ailerons are...

tip speed ratios than lift-based VAWTs such as Darrieus rotors and cycloturbines. Computer modelling suggests that vertical-axis wind turbines arranged...

direction, and a lift component with magnitude L in the −zw direction. In general, the thrust can have components along each body frame axis. For fixed wing...

and phonon sideband Zero-point energy Zero differential overlap Zero gravity (disambiguation) Zero lift axis Zero sound Zeroth law of thermodynamics Zeta...

the angle is zero, the axis is undefined. When the angle is 180°, the matrix becomes symmetric, which has implications in extracting the axis. Near multiples...

contributes to the types of motion known as drift, dip and lift in spin bowling, depending on the axis of rotation of the spin applied to the ball. The Magnus...

known as wings level or zero bank angle. The most common aeronautical convention defines roll as acting about the longitudinal axis, positive with the starboard...

circle around the vortex axis. In this case the vorticity ω → {\displaystyle {\vec {\omega }}} is zero at any point not on that axis, and the flow is said...

cockpit, the Zero was one of the most modern carrier-based aircraft in the world at the time of its introduction. It had a fairly high-lift, low-speed wing...

than flat. Sometimes, launch lift hills serve the same purpose as lift hills but offer faster transport to the top of the lift hill; or they are sometimes...

representing the theoretical optimal lift coefficient at ideal angle of attack CLI = 0.15 L (this is not the same as the lift coefficient CL), P: a single digit...

The Darrieus wind turbine is a type of vertical axis wind turbine (VAWT) used to generate electricity from wind energy. The turbine consists of a number...

stability axis is the same as the Y body-fixed axis. Z stability axis is perpendicular to the plane made by the X stability axis and the Y body axis. Forces...

a lifting action. ... Lift is caused by air moving over a curved surface. Anderson, David F.; Eberhardt, Scott. "The Newtonian Description of Lift of...

requires no lift. When flying straight upwards the aircraft can reach zero airspeed before falling earthwards; the wing is generating no lift and so does...

between the drag on an aircraft and other variables, such as lift, the coefficient of lift, angle-of-attack or speed. It may be described by an equation...

lift vector is the same (as seen by an observer on the ground), but in the latter the vertical axis of the aircraft points downwards, making the lift...

by an infinite line that is simultaneously being rotated and lifted along its fixed axis of rotation. It is the third minimal surface to be known, after...

parallel to the axis of the pipe; but faster near that axis, and practically stationary next to the walls. The vorticity will be zero on the axis, and maximum...

extract the energy. The most common topology is the horizontal-axis wind turbine. It is a lift-based wind turbine with very good performance. Accordingly...

voltage is zero. Since there is no induced emf, there is no current in the circuit and the net torque developed is, again, zero. If the brush axis is displaced...