Flow around bodies

Flow around bodies

The understanding of flow around any shape of a body is crucial in fluid dynamics and aerodynamics.

Streamlines can be visualised by using contrast medium, fog or by floating particles or hydrogen bubbles.

The recording of pressure and velocity distribution enables the analysis of the causes of desired or undesirable flow courses and the experimental confirmation of forecasting calculations.

Drag and lift forces as well as pressure curve on aerofoils by means of wind tunnel experiments.

The boundary layer is formed along a surface of a body in incident flow due to the adhesion of the flowing fluid, e.g. air. Internal friction in the fluid causes a change in the flow course and affects flow resistance and flow velocity.

When flowing through a packed layer occurs a pressure loss due to friction. The pressure loss of the fluid passing through it is i.a. used for the characterization of fluidized beds and packed beds.

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