streamline


streamline

In fluid mechanics, the path of imaginary particles suspended in the fluid and carried along with it. In steady flow, the fluid is in motion but the streamlines are fixed. Where streamlines crowd together, the fluid speed is relatively high; where they open out, the fluid is relatively still. See also laminar flow, turbulent flow.

This entry comes from Encyclopædia Britannica Concise.
For the full entry on streamline, visit Britannica.com.

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