A velocity potential is a scalar potential used in potential flow theory. It was introduced by Joseph-Louis Lagrange in 1788. It is used in continuum mechanics...

the flow. Potential flow describes the velocity field as the gradient of a scalar function: the velocity potential. As a result, a potential flow is characterized...

continuum mechanics the flow velocity in fluid dynamics, also macroscopic velocity in statistical mechanics, or drift velocity in electromagnetism, is a...

Velocity is the speed in combination with the direction of motion of an object. Velocity is a fundamental concept in kinematics, the branch of classical...

uniform. The flow has no vorticity and thus the velocity field is irrotational and can be modeled as a potential flow. Unlike a real fluid, this solution indicates...

gravitational potential energy; it will always be slowing down, asymptotically approaching zero speed, but never quite stop. Escape velocity calculations...

electromagnetic vector potential. This last potential expression in fact reduces Faraday's law to an identity. In fluid mechanics, the velocity field v describes...

irrotational assumption, namely, the flow velocity can be described as the gradient ∇φ of a velocity potential φ. The unsteady momentum conservation equation...

field is obtained from the gradient of the work, or potential, in the direction of the velocity v of the point of application, that is P ( t ) = − ∇...

irrotational and inviscid—potential flow. The relevant ingredients, needed in order to describe this flow, are: Φ(x,z,t) is the velocity potential, ρ is the fluid...

point source is irrotational, and can be derived from velocity potential. The velocity potential is given by – ϕ(r,θ)=Q2πln⁡r.{\displaystyle \phi (r,\theta...

In fluid dynamics, aerodynamic potential flow codes or panel codes are used to determine the fluid velocity, and subsequently the pressure distribution...

(ψ{\displaystyle \psi }) and velocity potential (ϕ{\displaystyle \phi }) are obtained by simply adding the stream function and velocity potential for each individual...

clocks, either because of a relative velocity between them (special relativity), or a difference in gravitational potential between their locations (general...

In the MKS system, drift velocity has units of m/s, electron mobility, m2/(V·s), and electric field, V/m. When a potential difference is applied across...

decomposition can be used to write the velocity as the sum of the gradient of a scalar potential and as the curl of a vector potential. That is: v→=−∇ϕ+∇×A→{\displaystyle...

conduction velocity of action potentials and makes them more energy-efficient. Whether saltatory or not, the mean conduction velocity of an action potential ranges...

to Stokes's third-order theory, the free surface elevation η, the velocity potential Φ, the phase speed (or celerity) c and the wave phase θ are, for a...

supercells and the potential for tornadic activity. Barotropic vorticity equation D'Alembert's paradox Enstrophy Palinstrophy Velocity potential Vortex Vortex...

liquid surface – and potential theory can be used to describe the flow. The velocity potential Φ(x, z, t) is related to the flow velocity components ux and...

A solution of the potential equation directly determines only the velocity field. The pressure field is deduced from the velocity field through Bernoulli's...

In physics, angular velocity (symbol ω or ω → {\displaystyle {\vec {\omega }}} , the lowercase Greek letter omega), also known as angular frequency vector...

For two-dimensional potential flow, streamlines are perpendicular to equipotential lines. Taken together with the velocity potential, the stream function...

w=ϕ+iψ{\displaystyle w=\phi +i\psi } is the complex potential (ϕ{\displaystyle \phi } is the velocity potential, ψ{\displaystyle \psi } is the stream function)...

equations. We will take u to be a velocity potential, meaning that we imagine a flow of fluid in the plane such that the velocity vector of the fluid at each...

equation. The harmonic function φ that is conjugate to ψ is called the velocity potential. The Cauchy–Riemann equations imply that φ x = − u , φ y = − v . {\displaystyle...

For a pure wave motion in fluid dynamics, the Stokes drift velocity is the average velocity when following a specific fluid parcel as it travels with the...

Escape velocity Foot-pound Joule Kinetic energy penetrator Kinetic energy per unit mass of projectiles Kinetic projectile Parallel axis theorem Potential energy...

and results in higher muzzle velocities at similar pressure levels, the .38 Super offers higher bullet velocity potential than the 9×19mm Parabellum when...

mass and velocity of an object. It is a vector quantity, possessing a magnitude and a direction. If m is an object's mass and v is its velocity (also a...