Additional Head given Head for Broad Crested Weir Solution

STEP 0: Pre-Calculation Summary
Formula Used
Additional Head = Head on Upstream of Weir-Total Head
ha = HUpstream-H
This formula uses 3 Variables
Variables Used
Additional Head - (Measured in Meter) - Additional Head is the applied head due to the velocity of approach.
Head on Upstream of Weir - (Measured in Meter) - 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.
Total Head - (Measured in Meter) - Total Head is the combination of weir crested and additional head.
STEP 1: Convert Input(s) to Base Unit
Head on Upstream of Weir: 10.1 Meter --> 10.1 Meter No Conversion Required
Total Head: 5 Meter --> 5 Meter No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
ha = HUpstream-H --> 10.1-5
Evaluating ... ...
ha = 5.1
STEP 3: Convert Result to Output's Unit
5.1 Meter --> No Conversion Required
FINAL ANSWER
5.1 Meter <-- Additional Head
(Calculation completed in 00.020 seconds)

Credits

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Created by M Naveen
National Institute of Technology (NIT), Warangal
M Naveen has created this Calculator and 500+ more calculators!
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Verified by Rithik Agrawal
National Institute of Technology Karnataka (NITK), Surathkal
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Broad Crested Weir Calculators

Discharge over Broad Crested Weir
​ LaTeX ​ Go Discharge Over Broad Crested Weir = Length of Weir Crest*Critical Depth of Weir*sqrt((2*[g])*(Total Head-Critical Depth of Weir))
Velocity of Flow given Head
​ LaTeX ​ Go Velocity of Fluid for Weir = sqrt((2*Acceleration due to Gravity)*(Total Head-Critical Depth of Weir))
Critical Depth due to Reduction in Area of Flow Section given Total Head
​ LaTeX ​ Go Critical Depth of Weir = Total Head-(Velocity of Fluid for Weir^2/(2*Acceleration due to Gravity))
Total Head above Weir Crest
​ LaTeX ​ Go Total Head = Critical Depth of Weir+(Velocity of Fluid for Weir^2/(2*Acceleration due to Gravity))

Additional Head given Head for Broad Crested Weir Formula

​LaTeX ​Go
Additional Head = Head on Upstream of Weir-Total Head
ha = HUpstream-H

What does Additional Head mean?

Additional head given head for broad crested weir is defined as measurement of additional height of water flowing in broad crested weir.

What is a Broad Crested Weir?

Broad crested weirs are robust structures that are generally constructed from reinforced concrete and which usually span the full width of the channel. They are used to measure the discharge of rivers, and are much more suited for this purpose than the relatively flimsy sharp crested weirs. The broad crested weir is one which the water flow discharge in measured from large water bodies like big canals while the sharp crested weir will help in measuring the discharge of the water from the small rivers and canals and the weir is placed in the direction of the flow of water.

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

Additional Head given Head for Broad Crested Weir calculator uses Additional Head = Head on Upstream of Weir-Total Head to calculate 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 calculate Additional Head given Head for Broad Crested Weir using this online calculator? To use this online calculator for Additional Head given Head for Broad Crested Weir, enter Head on Upstream of Weir (HUpstream) & Total Head (H) and hit the calculate button. Here is how the Additional Head given Head for Broad Crested Weir calculation can be explained with given input values -> 5.1 = 10.1-5.

FAQ

What is Additional Head given Head for Broad Crested Weir?
Additional Head given Head for Broad Crested Weir is defined as measurement of additional height of water flowing in broad crested weir and is represented as ha = HUpstream-H or Additional Head = Head on Upstream of Weir-Total Head. 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 & Total Head is the combination of weir crested and additional head.
How to calculate Additional Head given Head for Broad Crested Weir?
Additional Head given Head for Broad Crested Weir is defined as measurement of additional height of water flowing in broad crested weir is calculated using Additional Head = Head on Upstream of Weir-Total Head. To calculate Additional Head given Head for Broad Crested Weir, you need Head on Upstream of Weir (HUpstream) & Total Head (H). With our tool, you need to enter the respective value for Head on Upstream of Weir & Total Head and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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