Hydraulic Radius Calculator

The hydraulic radius () is a fundamental parameter used in fluid mechanics, particularly in the analysis of open channel flow. It represents the ratio of the cross-sectional area () of the flow to the wetted perimeter () of the conduit. Mathematically, it is expressed as:

Where:

  • is the hydraulic radius, typically measured in meters (m) or any unit of length.
  • is the cross-sectional area of the flow, typically measured in square meters.
  • is the wetted perimeter, which is the total length of the perimeter of the cross-section that is in contact with the flowing fluid.

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