Coefficient of Discharge when Outflow is Considered Formula

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Coefficient of Discharge is ratio of actual discharge to theoretical discharge. Check FAQs
Cd=(Qh(23)2gLe(H32))
Cd - Coefficient of Discharge?Qh - Reservoir Discharge?g - Acceleration due to Gravity?Le - Effective Length of the Spillway Crest?H - Head over Weir?

Coefficient of Discharge when Outflow is Considered Example

With values
With units
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Here is how the Coefficient of Discharge when Outflow is Considered equation looks like with Values.

Here is how the Coefficient of Discharge when Outflow is Considered equation looks like with Units.

Here is how the Coefficient of Discharge when Outflow is Considered equation looks like.

0.6596Edit=(131.4Edit(23)29.8Edit5Edit(3Edit32))
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Coefficient of Discharge when Outflow is Considered Solution

Follow our step by step solution on how to calculate Coefficient of Discharge when Outflow is Considered?

FIRST Step Consider the formula
Cd=(Qh(23)2gLe(H32))
Next Step Substitute values of Variables
Cd=(131.4m³/s(23)29.8m/s²5m(3m32))
Next Step Prepare to Evaluate
Cd=(131.4(23)29.85(332))
Next Step Evaluate
Cd=0.659560769120834
LAST Step Rounding Answer
Cd=0.6596

Coefficient of Discharge when Outflow is Considered Formula Elements

Variables
Functions
Coefficient of Discharge
Coefficient of Discharge is ratio of actual discharge to theoretical discharge.
Symbol: Cd
Measurement: NAUnit: Unitless
Note: Value should be between 0 to 1.
Reservoir Discharge
Reservoir Discharge is the uncontrolled spillway discharge.
Symbol: Qh
Measurement: Volumetric Flow RateUnit: m³/s
Note: Value should be greater than 0.
Acceleration due to Gravity
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.
Effective Length of the Spillway Crest
Effective Length of the Spillway Crest is the length used for the discharge passing over a spillway.
Symbol: Le
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Head over Weir
Head over Weir is the stream or river to raise the water level or divert its flow.
Symbol: H
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 in Hydrologic Storage Routing category

​Go Outflow in Spillway
Qh=(23)Cd2gLeH32
​Go Effective Length of Spillway Crest when Outflow is Considered
Le=Qh(23)Cd2gH32
​Go Head over Spillway when Outflow is Considered
H=(Qh(23)Cd2g(Le2))13

How to Evaluate Coefficient of Discharge when Outflow is Considered?

Coefficient of Discharge when Outflow is Considered evaluator uses Coefficient of Discharge = (Reservoir Discharge/((2/3)*sqrt(2*Acceleration due to Gravity)*Effective Length of the Spillway Crest*((Head over Weir^3)/2))) to evaluate the Coefficient of Discharge, The Coefficient of Discharge when Outflow is Considered formula is defined as the ratio of the actual discharge to the theoretical discharge. Coefficient of Discharge is denoted by Cd symbol.

How to evaluate Coefficient of Discharge when Outflow is Considered using this online evaluator? To use this online evaluator for Coefficient of Discharge when Outflow is Considered, enter Reservoir Discharge (Qh), Acceleration due to Gravity (g), Effective Length of the Spillway Crest (Le) & Head over Weir (H) and hit the calculate button.

FAQs on Coefficient of Discharge when Outflow is Considered

What is the formula to find Coefficient of Discharge when Outflow is Considered?
The formula of Coefficient of Discharge when Outflow is Considered is expressed as Coefficient of Discharge = (Reservoir Discharge/((2/3)*sqrt(2*Acceleration due to Gravity)*Effective Length of the Spillway Crest*((Head over Weir^3)/2))). Here is an example- 0.659561 = (131.4/((2/3)*sqrt(2*9.8)*5*((3^3)/2))).
How to calculate Coefficient of Discharge when Outflow is Considered?
With Reservoir Discharge (Qh), Acceleration due to Gravity (g), Effective Length of the Spillway Crest (Le) & Head over Weir (H) we can find Coefficient of Discharge when Outflow is Considered using the formula - Coefficient of Discharge = (Reservoir Discharge/((2/3)*sqrt(2*Acceleration due to Gravity)*Effective Length of the Spillway Crest*((Head over Weir^3)/2))). This formula also uses Square Root Function function(s).
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