When fluid flows slowly and smoothly, the flow is called laminar. At fast velocities, the inertia of the water overcomes fluid frictional forces and turbulent flow results. When a fluid is flowing this way it flows in eddies and whorls (vortices). When a fluid flows turbulently, there is much more drag than when the flow is laminar. Water flowing smoothly and slowly from your faucet can show laminar and turbulent flow. If the water hits a smooth surface, a circle of laminar flow results until the flow slows and becomes turbulent. Click the button below to see this.
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