A solenoidal distribution of a vector is one corresponding to that of the velocity in an incompressible fluid. |
The STAR detector is a large volume, gas-filled detector to record charged particle tracks in a solenoidal magnetic field. |
The STAR baseline design that has been approved for construction calls for a large volume Time Projection Chamber in a solenoidal magnetic field. |
Equivalent technical statements are that the sum total magnetic flux through any Gaussian surface is zero, or that the magnetic field is a solenoidal vector field. |