Physics · Fluid Mechanics

According to Lacey's regime theory for alluvial channels, the regime wetted perimeter (P) is related to discharge (Q) by which formula?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1P = 4.75 Q3/2
2P = 2.25 Q3/2
3P = 4.75 Q1/2✓
4P = 2.25 Q1/2

Correct answer

P = 4.75 Q1/2

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According to Lacey's regime theory for alluvial channels, the regime wetted perimeter (P) is related to discharge (Q) by which formula?

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According to Lacey's regime theory for alluvial channels, the regime wetted perimeter (P) is related to discharge (Q) by which formula?

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