Energy cascade

Quantum mechanics

Turbulence

Scale (ratio)

Vortex stretching

Engineering

Cascade

Operating system

Vortex

Inverse

Telecommunications

Computer science

Chemical engineering

Classical mechanics

Physics

Mathematics

Open-channel flow

Flow (mathematics)

Vorticity

Geometry

Channel (broadcasting)

Mechanics

Space (punctuation)

Physical Review Fluids

An inverse cascade is found in the energy transfer in scale space of channel flow. The conditional average of the velocity field associated with the inverse cascade or negative subgrid-scale production reveals a long streamwise vortex near the wall with a short vortex in the upstream region.

Inverse energy cascade and vortical structure in the near-wall region of turbulent channel flow