The application of laminar flow in life

Laminar Airflow, a professional term in fluid mechanics, is a flow state of the fluid. The fluid flows at a low speed in the tube, and the streamlines move forward in parallel without crossing, and its Reynolds number is less than 2000.

working principle:

Laminar flow is to form a uniform flow layer after the air passes through the high-efficiency filter at a certain wind speed, so that the clean air flows in a vertical unidirectional flow, thereby ensuring the high cleanliness required by the process in the working area.

Application in life:

1. The phenomenon of laminar flow is mainly transport because the laminar flow and turbulent flow have different mechanical characteristics. Turbulent flow not only has viscous shear stress, but also additional shear stress caused by the turbulent flow of fluid particles; while laminar flow has only viscous shear stress. Therefore, the carrying capacity of turbulent flow is stronger than that of laminar flow. And the turbulent flow also has the effect of vortex lifting, which is the main factor for the sediment to be transported in suspension.

2. When the fluid is more viscous, the phenomenon of laminar flow will be more obvious. For example, when we pour the oil into cooking, the movement state of the edible oil is the phenomenon of laminar flow.

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