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Head for Broad Crested Weir Formula

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Head on Upstream of Weirr pertains to the energy status of water in water flow systems and is useful for describing flow in hydraulic structures. Check FAQs

H Upstream = (H + h a)

H_Upstream - Head on Upstream of Weir?H - Total Head?h_a - Additional Head?

Head for Broad Crested Weir Example

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Here is how the Head for Broad Crested Weir equation looks like with Values.

Here is how the Head for Broad Crested Weir equation looks like with Units.

Here is how the Head for Broad Crested Weir equation looks like.

10.01 = (5 + 5.01)

10.01m = (5m + 5.01m)

10.01 = (5 + 5.01)

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Head for Broad Crested Weir Solution

Follow our step by step solution on how to calculate Head for Broad Crested Weir?

FIRST Step Consider the formula

H Upstream = (H + h a)

Next Step Substitute values of Variables

∴

H Upstream = (5m + 5.01m)

Next Step Prepare to Evaluate

∴

H Upstream = (5 + 5.01)

LAST Step Evaluate

∴

H Upstream = 10.01m

Head for Broad Crested Weir Formula Elements

Variables

Head on Upstream of Weir

Head on Upstream of Weirr pertains to the energy status of water in water flow systems and is useful for describing flow in hydraulic structures.

Symbol: H_Upstream

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Head on Upstream of Weir

Total Head

Total Head is the combination of weir crested and additional head.

Symbol: H

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Total Head

Additional Head

Additional Head is the applied head due to the velocity of approach.

Symbol: h_a

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Additional Head

Other formulas in Broad Crested Weir category

Go Total Head above Weir Crest

H = h c + (\frac{{v f}^{2}}{2 \cdot g})

Go Critical Depth due to Reduction in Area of Flow Section given Total Head

h c = H - (\frac{{v f}^{2}}{2 \cdot g})

Go Velocity of Flow given Head

v f = \sqrt{(2 \cdot g) \cdot (H - h c)}

Go Discharge over Broad Crested Weir

Q w = L w \cdot h c \cdot \sqrt{(2 \cdot [g]) \cdot (H - h c)}

How to Evaluate Head for Broad Crested Weir?

Head for Broad Crested Weir evaluator uses Head on Upstream of Weir = (Total Head+Additional Head) to evaluate the Head on Upstream of Weir, Head for Broad Crested Weir is defined as the combination of broad crested weir head and the additional head. Head on Upstream of Weir is denoted by H_Upstream symbol.

How to evaluate Head for Broad Crested Weir using this online evaluator? To use this online evaluator for Head for Broad Crested Weir, enter Total Head (H) & Additional Head (h_a) and hit the calculate button.

FAQs on Head for Broad Crested Weir

What is the formula to find Head for Broad Crested Weir?

The formula of Head for Broad Crested Weir is expressed as Head on Upstream of Weir = (Total Head+Additional Head). Here is an example- 10.1 = (5+5.01).

How to calculate Head for Broad Crested Weir?

With Total Head (H) & Additional Head (h_a) we can find Head for Broad Crested Weir using the formula - Head on Upstream of Weir = (Total Head+Additional Head).

Can the Head for Broad Crested Weir be negative?

Yes, the Head for Broad Crested Weir, measured in Length can be negative.

Which unit is used to measure Head for Broad Crested Weir?

Head for Broad Crested Weir is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Head for Broad Crested Weir can be measured.

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Head for Broad Crested Weir Formula

Head for Broad Crested Weir Example

Head for Broad Crested Weir Solution

Head for Broad Crested Weir Formula Elements

Other formulas in Broad Crested Weir category

How to Evaluate Head for Broad Crested Weir?

FAQs on Head for Broad Crested Weir

Variable Name