Computer · Fluid Mechanics and Hydraulics

For the most economical rectangular channel section in open channel flow, the hydraulic depth (or hydraulic radius) is equal to:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1one-third the depth of flow
2three times the depth of flow
3half the depth of flow✓
4twice the depth of flow

Correct answer

half the depth of flow

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For the most economical rectangular channel section in open channel flow, the hydraulic depth (or hydraulic radius) is equal to:

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For the most economical rectangular channel section in open channel flow, the hydraulic depth (or hydraulic radius) is equal to:

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