laminar flow

noun Hydraulics, Mechanics.

  1. the flow of a viscous fluid in which particles of the fluid move in parallel layers, each of which has a constant velocity but is in motion relative to its neighboring layers.


  1. nonturbulent motion of a fluid in which parallel layers have different velocities relative to each otherCompare turbulent flow See also streamline flow

  1. Smooth, orderly movement of a fluid, in which there is no turbulence, and any given subcurrent moves more or less in parallel with any other nearby subcurrent. Laminar flow is common in viscous fluids, especially those moving at low velocities. Compare turbulent flow.

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