boundary turbulent velocity

minimum turbulent velocity

Turbulent friction

turbulent velocity

Turbulent velocity field

turbulent velocity inlet boundary condition

turbulent velocity scale

corrected friction velocity

fixed velocity friction test

Friction Velocity

negative friction-velocity slope mechanism

normalized friction velocity

Threshold friction velocity

wind friction velocity

friction moment-friction coefficient

friction pressfriction-screw press Friction sawing

friction-ball-friction

average velocity， mean velocity

group velocity and phase velocity