Head when Coefficient Discharge is Constant Calculator

Height of Water above Crest of Weir - (Measured in Meter) - Height of Water above Crest of Weir is defined as the water surface height above crest.
Discharge through Triangular Weir - (Measured in Cubic Meter per Second) - Discharge through Triangular Weir is discharge calculated considering the channel as triangular.

STEP 1: Convert Input(s) to Base Unit

Discharge through Triangular Weir: 10 Cubic Meter per Second --> 10 Cubic Meter per Second No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

S_w = (Q_tri/1.418)^(2/5) --> (10/1.418)^(2/5)

Evaluating ... ...

S_w = 2.18438661984344

STEP 3: Convert Result to Output's Unit

2.18438661984344 Meter --> No Conversion Required

FINAL ANSWER

2.18438661984344 ≈ 2.184387 Meter <-- Height of Water above Crest of Weir

(Calculation completed in 00.020 seconds)

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Home » Engineering » Civil » Hydraulics and Waterworks » Flow Over Notches and Weirs » Flow Over a Trapizoidal and Triangular Weir or Notch » Flow over a Triangular Weir or Notch » Head when Coefficient Discharge is Constant

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Created by M Naveen

National Institute of Technology (NIT), Warangal

M Naveen has created this Calculator and 500+ more calculators!

Verified by Mithila Muthamma PA

Coorg Institute of Technology (CIT), Coorg

Mithila Muthamma PA has verified this Calculator and 700+ more calculators!

< 8 Flow over a Triangular Weir or Notch Calculators

Discharge for Triangular Weir if Velocity is Considered

Go Discharge through Triangular Weir = (8/15)*Coefficient of Discharge*sqrt(2*Acceleration due to Gravity)*tan(Theta/2)*((Height of Water above Crest of Weir+Velocity Head)^(5/2)-Velocity Head^(5/2))

Head for Discharge for Entire Triangular Weir

Go Height of Water above Crest of Weir = (Discharge through Triangular Weir/((8/15)*Coefficient of Discharge*sqrt(2*Acceleration due to Gravity)*tan(Theta/2)))^(2/5)

Discharge for Entire Triangular Weir

Go Discharge through Triangular Weir = (8/15)*Coefficient of Discharge*sqrt(2*Acceleration due to Gravity)*tan(Theta/2)*Height of Water above Crest of Weir^(5/2)

Coefficient of Discharge when Discharge for Triangular Weir when Angle is 90

Go Coefficient of Discharge = Discharge through Triangular Weir/((8/15)*sqrt(2*Acceleration due to Gravity)*Height of Water above Crest of Weir^(5/2))

Head when Discharge for Triangular Weir Angle is 90

Go Height of Water above Crest of Weir = Discharge through Triangular Weir/((8/15)*Coefficient of Discharge*sqrt(2*Acceleration due to Gravity))^(2/5)

Discharge for Triangular Weir if Angle is at 90

Go Discharge through Triangular Weir = (8/15)*Coefficient of Discharge*sqrt(2*Acceleration due to Gravity)*Height of Water above Crest of Weir^(3/2)

Head when Coefficient Discharge is Constant

Go Height of Water above Crest of Weir = (Discharge through Triangular Weir/1.418)^(2/5)

Discharge for Triangular Weir if Coefficient Discharge is Constant

Go Discharge through Triangular Weir = 1.418*Height of Water above Crest of Weir^(5/2)

Head when Coefficient Discharge is Constant Formula

Height of Water above Crest of Weir = (Discharge through Triangular Weir/1.418)^(2/5)
S_w = (Q_tri/1.418)^(2/5)

What does Discharge mean?

Discharge is a measure of the quantity of any fluid flow passing over unit time. The quantity may be either volume or mass.

What is triangular weir?

Triangular weirs are sharp crested thin plates with V-shaped opening (or notch). These plates are installed at the exit of a channel, tank, or basin in order to measure the real-time flow of water. A typical application for these plates consists in measuring the flow of water on the downstream side of a dam.

How to Calculate Head when Coefficient Discharge is Constant?

Head when Coefficient Discharge is Constant calculator uses Height of Water above Crest of Weir = (Discharge through Triangular Weir/1.418)^(2/5) to calculate the Height of Water above Crest of Weir, The Head when coefficient discharge is constant is given is a measure of the potential of fluid at the measurement point. or total energy per unit weight above a datum. Height of Water above Crest of Weir is denoted by S_w symbol.

How to calculate Head when Coefficient Discharge is Constant using this online calculator? To use this online calculator for Head when Coefficient Discharge is Constant, enter Discharge through Triangular Weir (Q_tri) and hit the calculate button. Here is how the Head when Coefficient Discharge is Constant calculation can be explained with given input values -> 2.184387 = (10/1.418)^(2/5).

FAQ

What is Head when Coefficient Discharge is Constant?

The Head when coefficient discharge is constant is given is a measure of the potential of fluid at the measurement point. or total energy per unit weight above a datum and is represented as S_w = (Q_tri/1.418)^(2/5) or Height of Water above Crest of Weir = (Discharge through Triangular Weir/1.418)^(2/5). Discharge through Triangular Weir is discharge calculated considering the channel as triangular.

How to calculate Head when Coefficient Discharge is Constant?

The Head when coefficient discharge is constant is given is a measure of the potential of fluid at the measurement point. or total energy per unit weight above a datum is calculated using Height of Water above Crest of Weir = (Discharge through Triangular Weir/1.418)^(2/5). To calculate Head when Coefficient Discharge is Constant, you need Discharge through Triangular Weir (Q_tri). With our tool, you need to enter the respective value for Discharge through Triangular Weir and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Height of Water above Crest of Weir?

In this formula, Height of Water above Crest of Weir uses Discharge through Triangular Weir. We can use 2 other way(s) to calculate the same, which is/are as follows -

Height of Water above Crest of Weir = (Discharge through Triangular Weir/((8/15)*Coefficient of Discharge*sqrt(2*Acceleration due to Gravity)*tan(Theta/2)))^(2/5)
Height of Water above Crest of Weir = Discharge through Triangular Weir/((8/15)*Coefficient of Discharge*sqrt(2*Acceleration due to Gravity))^(2/5)

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