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Hydraulic Diameter

Dh = 4A/P plus equivalent circular diameter.

Inputs

Inputs

Result

Equivalent circular D
0.252 m
Hydraulic diameter Dh
0.200 m

Learn

How to use this result.

Reduce any duct to its hydraulic diameter.

Verify before relying.

  1. Confirm units match the input labels before trusting the result.
  2. Recompute at minimum and maximum operating cases, not just the design point.
Screening result for preliminary sizing only. Verify against the manufacturer datasheet and applicable standard before procurement or construction.

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