Linked from
The 11 pages that link to Streamline, each with the reason it gives.
Velocity fieldRelated: Streamlines follow the velocity direction at each point in a steady flow.
VortexRelated: Streamlines reveal how fluid paths curve around a vortex.
Steady flowRelated: In steady flow, streamlines remain fixed and coincide with particle paths.
Flow velocityRelated: Its direction visualizes how velocity is oriented across a flow.
Eulerian flow fieldRelated: Its geometry is obtained from the field at one instant.