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Height of Water above Crest of Weir is defined as the water surface height above crest. Check FAQs
Sw=(3QC2Cd2gLw)23
Sw - Height of Water above Crest of Weir?QC - Discharge by Cipolletti?Cd - Coefficient of Discharge?g - Acceleration due to Gravity?Lw - Length of Weir Crest?

Head given Discharge for Cipolletti Weir Example

With values
With units
Only example

Here is how the Head given Discharge for Cipolletti Weir equation looks like with Values.

Here is how the Head given Discharge for Cipolletti Weir equation looks like with Units.

Here is how the Head given Discharge for Cipolletti Weir equation looks like.

1.8747Edit=(315Edit20.66Edit29.8Edit3Edit)23
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Head given Discharge for Cipolletti Weir Solution

Follow our step by step solution on how to calculate Head given Discharge for Cipolletti Weir?

FIRST Step Consider the formula
Sw=(3QC2Cd2gLw)23
Next Step Substitute values of Variables
Sw=(315m³/s20.6629.8m/s²3m)23
Next Step Prepare to Evaluate
Sw=(31520.6629.83)23
Next Step Evaluate
Sw=1.87467589333043m
LAST Step Rounding Answer
Sw=1.8747m

Head given Discharge for Cipolletti Weir Formula Elements

Variables
Functions
Height of Water above Crest of Weir
Height of Water above Crest of Weir is defined as the water surface height above crest.
Symbol: Sw
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Discharge by Cipolletti
Discharge by Cipolletti is the rate of flow of a liquid.
Symbol: QC
Measurement: Volumetric Flow RateUnit: m³/s
Note: Value can be positive or negative.
Coefficient of Discharge
The Coefficient of Discharge is ratio of actual discharge to theoretical discharge.
Symbol: Cd
Measurement: NAUnit: Unitless
Note: Value should be between 0 to 1.2.
Acceleration due to Gravity
The Acceleration due to Gravity is acceleration gained by an object because of gravitational force.
Symbol: g
Measurement: AccelerationUnit: m/s²
Note: Value should be greater than 0.
Length of Weir Crest
Length of Weir Crest is the measurement or extent of Weir Crest from end to end.
Symbol: Lw
Measurement: LengthUnit: m
Note: Value should be greater than 0.
sqrt
A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number.
Syntax: sqrt(Number)

Other Formulas to find Height of Water above Crest of Weir

​Go Head given Discharge over Cipolletti Weir
Sw=(QC1.86Lw)23

Other formulas in Flow Over a Trapizoidal Weir or Notch category

​Go Discharge over Trapezoidal Notch if overall Coefficient of Discharge for Trapezoidal notch
QC=((Cd2gSw32)((23)Lw+(815)Swtan(θ2)))
​Go Discharge for Cipolletti Weir
QC=(23)Cd2gLwSw32
​Go Coefficient of Discharge given Discharge for Cipolletti Weir
Cd=QC322gLwSw32
​Go Length of Crest given Discharge for Cipolletti Weir
Lw=3QC2Cd2gSw32

How to Evaluate Head given Discharge for Cipolletti Weir?

Head given Discharge for Cipolletti Weir evaluator uses Height of Water above Crest of Weir = ((3*Discharge by Cipolletti)/(2*Coefficient of Discharge*sqrt(2*Acceleration due to Gravity)*Length of Weir Crest))^(2/3) to evaluate the Height of Water above Crest of Weir, Head given discharge for Cipolletti weir is specific measurement of liquid pressure above vertical datum. Height of Water above Crest of Weir is denoted by Sw symbol.

How to evaluate Head given Discharge for Cipolletti Weir using this online evaluator? To use this online evaluator for Head given Discharge for Cipolletti Weir, enter Discharge by Cipolletti (QC), Coefficient of Discharge (Cd), Acceleration due to Gravity (g) & Length of Weir Crest (Lw) and hit the calculate button.

FAQs on Head given Discharge for Cipolletti Weir

What is the formula to find Head given Discharge for Cipolletti Weir?
The formula of Head given Discharge for Cipolletti Weir is expressed as Height of Water above Crest of Weir = ((3*Discharge by Cipolletti)/(2*Coefficient of Discharge*sqrt(2*Acceleration due to Gravity)*Length of Weir Crest))^(2/3). Here is an example- 1.874676 = ((3*15)/(2*0.66*sqrt(2*9.8)*3))^(2/3).
How to calculate Head given Discharge for Cipolletti Weir?
With Discharge by Cipolletti (QC), Coefficient of Discharge (Cd), Acceleration due to Gravity (g) & Length of Weir Crest (Lw) we can find Head given Discharge for Cipolletti Weir using the formula - Height of Water above Crest of Weir = ((3*Discharge by Cipolletti)/(2*Coefficient of Discharge*sqrt(2*Acceleration due to Gravity)*Length of Weir Crest))^(2/3). This formula also uses Square Root Function function(s).
What are the other ways to Calculate Height of Water above Crest of Weir?
Here are the different ways to Calculate Height of Water above Crest of Weir-
  • Height of Water above Crest of Weir=(Discharge by Cipolletti/(1.86*Length of Weir Crest))^(2/3)OpenImg
Can the Head given Discharge for Cipolletti Weir be negative?
No, the Head given Discharge for Cipolletti Weir, measured in Length cannot be negative.
Which unit is used to measure Head given Discharge for Cipolletti Weir?
Head given Discharge for Cipolletti Weir is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Head given Discharge for Cipolletti Weir can be measured.
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