avoid the use of Francis formula for weir flow

Question 3: A rectangular sharp crested weir is $3.0 m$ long and $1.2 m$ high. During a high flow event in the channel, the weir becomes submerged, and depths of $1.93 m$ upstream and $1.35 m$ downstream are measured. Estimate the discharge during this high flow event.

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avoid the use of Francis formula for weir flow
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Question 3: A rectangular sharp crested weir is

3.0 m

long and

1.2 m

high. During a high flow event in the channel, the weir becomes submerged, and depths of

1.93 m

upstream and

1.35 m

downstream are measured. Estimate the discharge during this high flow event.

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