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Francis Discharge with Suppressed End is discharge of flow without the end contraction. Check FAQs
QFr'=1.84Lw(HStillwater32-HV32)
QFr' - Francis Discharge with Suppressed End?Lw - Length of Weir Crest?HStillwater - Still Water Head?HV - Velocity Head?

Discharge when End Contractions is suppressed and Velocity is considered Example

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With units
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Here is how the Discharge when End Contractions is suppressed and Velocity is considered equation looks like with Values.

Here is how the Discharge when End Contractions is suppressed and Velocity is considered equation looks like with Units.

Here is how the Discharge when End Contractions is suppressed and Velocity is considered equation looks like.

39.1357Edit=1.843Edit(6.6Edit32-4.6Edit32)
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Discharge when End Contractions is suppressed and Velocity is considered Solution

Follow our step by step solution on how to calculate Discharge when End Contractions is suppressed and Velocity is considered?

FIRST Step Consider the formula
QFr'=1.84Lw(HStillwater32-HV32)
Next Step Substitute values of Variables
QFr'=1.843m(6.6m32-4.6m32)
Next Step Prepare to Evaluate
QFr'=1.843(6.632-4.632)
Next Step Evaluate
QFr'=39.1357298522581m³/s
LAST Step Rounding Answer
QFr'=39.1357m³/s

Discharge when End Contractions is suppressed and Velocity is considered Formula Elements

Variables
Francis Discharge with Suppressed End
Francis Discharge with Suppressed End is discharge of flow without the end contraction.
Symbol: QFr'
Measurement: Volumetric Flow RateUnit: m³/s
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.
Still Water Head
Still Water Head is the head of water which is still over weir.
Symbol: HStillwater
Measurement: LengthUnit: m
Note: Value can be positive or negative.
Velocity Head
Velocity Head is represented in the term of length unit, also referred to as kinetic head represents the kinetic energy of the fluid.
Symbol: HV
Measurement: LengthUnit: m
Note: Value should be greater than 0.

Other Formulas to find Francis Discharge with Suppressed End

​Go Discharge over Weir without considering Velocity
QFr'=(23)Cd2gLwSw32
​Go Discharge Passing over Weir considering Velocity
QFr'=(23)Cd2gLw((Sw+HV)32-HV32)
​Go Discharge for Notch which is to be Calibrated
QFr'=kFlowSwn
​Go Discharge when End Contractions is suppressed and Velocity is not considered
QFr'=1.84LwSw32

Other formulas in Discharge category

​Go Discharge considering Approach Velocity
QFr=(23)Cd2g(Lw-0.1nHStillwater)(HStillwater32-HV32)
​Go Discharge given Velocity Approach
Q'=v(bdf)

How to Evaluate Discharge when End Contractions is suppressed and Velocity is considered?

Discharge when End Contractions is suppressed and Velocity is considered evaluator uses Francis Discharge with Suppressed End = 1.84*Length of Weir Crest*(Still Water Head^(3/2)-Velocity Head^(3/2)) to evaluate the Francis Discharge with Suppressed End, Discharge when End Contractions is suppressed and Velocity is considered is defined as a measure of the quantity of any fluid flow over unit time. The quantity may be either volume or mass. Francis Discharge with Suppressed End is denoted by QFr' symbol.

How to evaluate Discharge when End Contractions is suppressed and Velocity is considered using this online evaluator? To use this online evaluator for Discharge when End Contractions is suppressed and Velocity is considered, enter Length of Weir Crest (Lw), Still Water Head (HStillwater) & Velocity Head (HV) and hit the calculate button.

FAQs on Discharge when End Contractions is suppressed and Velocity is considered

What is the formula to find Discharge when End Contractions is suppressed and Velocity is considered?
The formula of Discharge when End Contractions is suppressed and Velocity is considered is expressed as Francis Discharge with Suppressed End = 1.84*Length of Weir Crest*(Still Water Head^(3/2)-Velocity Head^(3/2)). Here is an example- 39.13573 = 1.84*3*(6.6^(3/2)-4.6^(3/2)).
How to calculate Discharge when End Contractions is suppressed and Velocity is considered?
With Length of Weir Crest (Lw), Still Water Head (HStillwater) & Velocity Head (HV) we can find Discharge when End Contractions is suppressed and Velocity is considered using the formula - Francis Discharge with Suppressed End = 1.84*Length of Weir Crest*(Still Water Head^(3/2)-Velocity Head^(3/2)).
What are the other ways to Calculate Francis Discharge with Suppressed End?
Here are the different ways to Calculate Francis Discharge with Suppressed End-
  • Francis Discharge with Suppressed End=(2/3)*Coefficient of Discharge*sqrt(2*Acceleration due to Gravity)*Length of Weir Crest*Height of Water above Crest of Weir^(3/2)OpenImg
  • Francis Discharge with Suppressed End=(2/3)*Coefficient of Discharge*sqrt(2*Acceleration due to Gravity)*Length of Weir Crest*((Height of Water above Crest of Weir+Velocity Head)^(3/2)-Velocity Head^(3/2))OpenImg
  • Francis Discharge with Suppressed End=Constant of Flow*Height of Water above Crest of Weir^Number of End ContractionOpenImg
Can the Discharge when End Contractions is suppressed and Velocity is considered be negative?
No, the Discharge when End Contractions is suppressed and Velocity is considered, measured in Volumetric Flow Rate cannot be negative.
Which unit is used to measure Discharge when End Contractions is suppressed and Velocity is considered?
Discharge when End Contractions is suppressed and Velocity is considered is usually measured using the Cubic Meter per Second[m³/s] for Volumetric Flow Rate. Cubic Meter per Day[m³/s], Cubic Meter per Hour[m³/s], Cubic Meter per Minute[m³/s] are the few other units in which Discharge when End Contractions is suppressed and Velocity is considered can be measured.
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