Additional Head given Head for Broad Crested Weir Formula

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Additional Head is the applied head due to the velocity of approach. Check FAQs
ha=HUpstream-H
ha - Additional Head?HUpstream - Head on Upstream of Weir?H - Total Head?

Additional Head given Head for Broad Crested Weir Example

With values
With units
Only example

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

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

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

5.1Edit=10.1Edit-5Edit
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Additional Head given Head for Broad Crested Weir Solution

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

FIRST Step Consider the formula
ha=HUpstream-H
Next Step Substitute values of Variables
ha=10.1m-5m
Next Step Prepare to Evaluate
ha=10.1-5
LAST Step Evaluate
ha=5.1m

Additional Head given Head for Broad Crested Weir Formula Elements

Variables
Additional Head
Additional Head is the applied head due to the velocity of approach.
Symbol: ha
Measurement: LengthUnit: m
Note: Value should be greater than 0.
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: HUpstream
Measurement: LengthUnit: m
Note: Value can be positive or negative.
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.

Other formulas in Broad Crested Weir category

​Go Total Head above Weir Crest
H=hc+(vf22g)
​Go Critical Depth due to Reduction in Area of Flow Section given Total Head
hc=H-(vf22g)
​Go Velocity of Flow given Head
vf=(2g)(H-hc)
​Go Discharge over Broad Crested Weir
Qw=Lwhc(2[g])(H-hc)

How to Evaluate Additional Head given Head for Broad Crested Weir?

Additional Head given Head for Broad Crested Weir evaluator uses Additional Head = Head on Upstream of Weir-Total Head to evaluate the Additional Head, Additional Head given Head for Broad Crested Weir is defined as measurement of additional height of water flowing in broad crested weir. Additional Head is denoted by ha symbol.

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

FAQs on Additional Head given Head for Broad Crested Weir

What is the formula to find Additional Head given Head for Broad Crested Weir?
The formula of Additional Head given Head for Broad Crested Weir is expressed as Additional Head = Head on Upstream of Weir-Total Head. Here is an example- 5.1 = 10.1-5.
How to calculate Additional Head given Head for Broad Crested Weir?
With Head on Upstream of Weir (HUpstream) & Total Head (H) we can find Additional Head given Head for Broad Crested Weir using the formula - Additional Head = Head on Upstream of Weir-Total Head.
Can the Additional Head given Head for Broad Crested Weir be negative?
No, the Additional Head given Head for Broad Crested Weir, measured in Length cannot be negative.
Which unit is used to measure Additional Head given Head for Broad Crested Weir?
Additional Head given 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 Additional Head given Head for Broad Crested Weir can be measured.
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