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The formula for head loss over a rectangular weir is given by:

[ H = \frac{Q^2}{2g \cdot b^2 \cdot C_d^2} ]

where ( H ) is the head loss (or the height of water above the weir), ( Q ) is the flow rate, ( g ) is the acceleration due to gravity, ( b ) is the width of the weir, and ( C_d ) is the discharge coefficient. This equation is derived from energy principles and considers the flow characteristics over the weir.

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1mo ago

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