Hydraulic radius of circular pipes
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I would like to ask the teachers: Is the hydraulic radius of a circular pipe equal to the radius of the pipe?
According to the definition of hydraulic radius: for a circular pipe under full flow, the hydraulic radius is two-thirds of the pipe radius. I’m not sure if I understand correctly
The hydraulic radius is a term specific to hydraulics; it represents the ratio of the flow area of a given water-conveying cross-section to the perimeter of the pipe in contact with the water (i.e., the wet perimeter). It depends on the shape of the cross-section and is commonly used to calculate the water-carrying capacity of canals and tunnels.
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