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Discharge through Drowned Portion is a measure of the quantity of fluid flow over unit time, representing the quantity of water in between the downstream and the crest of the water. Check FAQs
Q2=QT-Q1
Q2 - Discharge through Drowned Portion?QT - Total Discharge of Submerged Weir?Q1 - Discharge through Free Portion?

Discharge through Drowned Portion given Total Discharge over Submerged Weir Example

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Here is how the Discharge through Drowned Portion given Total Discharge over Submerged Weir equation looks like with Values.

Here is how the Discharge through Drowned Portion given Total Discharge over Submerged Weir equation looks like with Units.

Here is how the Discharge through Drowned Portion given Total Discharge over Submerged Weir equation looks like.

124.6Edit=174.7Edit-50.1Edit
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Discharge through Drowned Portion given Total Discharge over Submerged Weir Solution

Follow our step by step solution on how to calculate Discharge through Drowned Portion given Total Discharge over Submerged Weir?

FIRST Step Consider the formula
Q2=QT-Q1
Next Step Substitute values of Variables
Q2=174.7m³/s-50.1m³/s
Next Step Prepare to Evaluate
Q2=174.7-50.1
LAST Step Evaluate
Q2=124.6m³/s

Discharge through Drowned Portion given Total Discharge over Submerged Weir Formula Elements

Variables
Discharge through Drowned Portion
Discharge through Drowned Portion is a measure of the quantity of fluid flow over unit time, representing the quantity of water in between the downstream and the crest of the water.
Symbol: Q2
Measurement: Volumetric Flow RateUnit: m³/s
Note: Value can be positive or negative.
Total Discharge of Submerged Weir
Total Discharge of Submerged Weir is sum of the discharge from free and drowned portion.
Symbol: QT
Measurement: Volumetric Flow RateUnit: m³/s
Note: Value can be positive or negative.
Discharge through Free Portion
Discharge through Free Portion is a measure of the quantity of fluid flow over unit time, representing the quantity in between the upstream and downstream portion.
Symbol: Q1
Measurement: Volumetric Flow RateUnit: m³/s
Note: Value can be positive or negative.

Other Formulas to find Discharge through Drowned Portion

​Go Discharge through Drowned Portion
Q2=Cd(Lwh2)2g(HUpstream-h2)
​Go Discharge through Submerged Weir if Velocity is Approached
Q2=CdLwh2(2g(HUpstream-h2)+vsu2)

Other formulas in Submerged Weirs category

​Go Discharge through Free Weir Portion
Q1=(23)CdLw2g(HUpstream-h2)32
​Go Coefficient of Discharge given Discharge through Free Weir Portion
Cd=3Q12Lw2g(HUpstream-h2)32
​Go Length of Crest for Discharge through Free Weir Portion
Lw=3Q12Cd2g(HUpstream-h2)32
​Go Head on Upstream Weir given Discharge through Free Weir Portion
HUpstream=(3Q12CdLw2g)23+h2

How to Evaluate Discharge through Drowned Portion given Total Discharge over Submerged Weir?

Discharge through Drowned Portion given Total Discharge over Submerged Weir evaluator uses Discharge through Drowned Portion = Total Discharge of Submerged Weir-Discharge through Free Portion to evaluate the Discharge through Drowned Portion, Discharge through drowned portion given total discharge over submerged weir is flow through drowned portions of submerged weir. Discharge through Drowned Portion is denoted by Q2 symbol.

How to evaluate Discharge through Drowned Portion given Total Discharge over Submerged Weir using this online evaluator? To use this online evaluator for Discharge through Drowned Portion given Total Discharge over Submerged Weir, enter Total Discharge of Submerged Weir (QT) & Discharge through Free Portion (Q1) and hit the calculate button.

FAQs on Discharge through Drowned Portion given Total Discharge over Submerged Weir

What is the formula to find Discharge through Drowned Portion given Total Discharge over Submerged Weir?
The formula of Discharge through Drowned Portion given Total Discharge over Submerged Weir is expressed as Discharge through Drowned Portion = Total Discharge of Submerged Weir-Discharge through Free Portion. Here is an example- 124.6 = 174.7-50.1.
How to calculate Discharge through Drowned Portion given Total Discharge over Submerged Weir?
With Total Discharge of Submerged Weir (QT) & Discharge through Free Portion (Q1) we can find Discharge through Drowned Portion given Total Discharge over Submerged Weir using the formula - Discharge through Drowned Portion = Total Discharge of Submerged Weir-Discharge through Free Portion.
What are the other ways to Calculate Discharge through Drowned Portion?
Here are the different ways to Calculate Discharge through Drowned Portion-
  • Discharge through Drowned Portion=Coefficient of Discharge*(Length of Weir Crest*Head on Downstream of Weir)*sqrt(2*Acceleration due to Gravity*(Head on Upstream of Weir-Head on Downstream of Weir))OpenImg
  • Discharge through Drowned Portion=Coefficient of Discharge*Length of Weir Crest*Head on Downstream of Weir*(sqrt(2*Acceleration due to Gravity*(Head on Upstream of Weir-Head on Downstream of Weir)+Velocity over Submerged Weir^2))OpenImg
Can the Discharge through Drowned Portion given Total Discharge over Submerged Weir be negative?
Yes, the Discharge through Drowned Portion given Total Discharge over Submerged Weir, measured in Volumetric Flow Rate can be negative.
Which unit is used to measure Discharge through Drowned Portion given Total Discharge over Submerged Weir?
Discharge through Drowned Portion given Total Discharge over Submerged Weir 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 through Drowned Portion given Total Discharge over Submerged Weir can be measured.
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