Flow velocity in a cross-section

The flow velocity (v) in a cross-section is the volumetrically averaged flow velocity in a specific flow cross-section (e.g. a pipe cross-section). The unit of measurement for flow velocity is m/s.

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Q      Flow rate in m³/h

A       Cross-selectional area in m²

This relationship produces standard reference values for determining the flow velocity in piping (see Piping).

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