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Head when Discharge for Triangular Weir Angle is 90 Formula

GoHead for Discharge for Entire Triangular Weir Formula

GoHead when Coefficient Discharge is Constant Formula

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Height of Water above Crest of Weir is defined as the water surface height above crest. Check FAQs

S w = \frac{Q tri}{{((\frac{8}{15}) \cdot C d \cdot \sqrt{2 \cdot g})}^{\frac{2}{5}}}

S_w - Height of Water above Crest of Weir?Q_tri - Discharge through Triangular Weir?C_d - Coefficient of Discharge?g - Acceleration due to Gravity?

Head when Discharge for Triangular Weir Angle is 90 Example

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Here is how the Head when Discharge for Triangular Weir Angle is 90 equation looks like with Values.

Here is how the Head when Discharge for Triangular Weir Angle is 90 equation looks like with Units.

Here is how the Head when Discharge for Triangular Weir Angle is 90 equation looks like.

8.374 = \frac{10}{{((\frac{8}{15}) \cdot 0.66 \cdot \sqrt{2 \cdot 9.8})}^{\frac{2}{5}}}

8.374m = \frac{10m³/s}{{((\frac{8}{15}) \cdot 0.66 \cdot \sqrt{2 \cdot 9.8m/s²})}^{\frac{2}{5}}}

8.374 = \frac{10}{{((\frac{8}{15}) \cdot 0.66 \cdot \sqrt{2 \cdot 9.8})}^{\frac{2}{5}}}

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Head when Discharge for Triangular Weir Angle is 90 Solution

Follow our step by step solution on how to calculate Head when Discharge for Triangular Weir Angle is 90?

FIRST Step Consider the formula

S w = \frac{Q tri}{{((\frac{8}{15}) \cdot C d \cdot \sqrt{2 \cdot g})}^{\frac{2}{5}}}

Next Step Substitute values of Variables

∴

S w = \frac{10m³/s}{{((\frac{8}{15}) \cdot 0.66 \cdot \sqrt{2 \cdot 9.8m/s²})}^{\frac{2}{5}}}

Next Step Prepare to Evaluate

∴

S w = \frac{10}{{((\frac{8}{15}) \cdot 0.66 \cdot \sqrt{2 \cdot 9.8})}^{\frac{2}{5}}}

Next Step Evaluate

∴

S w = 8.37397616347153m

LAST Step Rounding Answer

∴

S w = 8.374m

Head when Discharge for Triangular Weir Angle is 90 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: S_w

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Height of Water above Crest of Weir

Discharge through Triangular Weir

Discharge through Triangular Weir is discharge calculated considering the channel as triangular.

Symbol: Q_tri

Measurement: Volumetric Flow RateUnit: m³/s

Note: Value can be positive or negative.

Formulas to find Discharge through Triangular Weir

Coefficient of Discharge

The Coefficient of Discharge is ratio of actual discharge to theoretical discharge.

Symbol: C_d

Measurement: NAUnit: Unitless

Note: Value should be between 0 to 1.2.

Formulas to find Coefficient of Discharge

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.

Formulas to find Acceleration due to Gravity

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 for Discharge for Entire Triangular Weir

S w = {(\frac{Q tri}{(\frac{8}{15}) \cdot C d \cdot \sqrt{2 \cdot g} \cdot \tan (\frac{θ}{2})})}^{\frac{2}{5}}

Go Head when Coefficient Discharge is Constant

S w = {(\frac{Q tri}{1.418})}^{\frac{2}{5}}

Other formulas in Flow over a Triangular Weir or Notch category

Go Discharge for Entire Triangular Weir

Q tri = (\frac{8}{15}) \cdot C d \cdot \sqrt{2 \cdot g} \cdot \tan (\frac{θ}{2}) \cdot {S w}^{\frac{5}{2}}

Go Discharge for Triangular Weir if Angle is at 90

Q tri = (\frac{8}{15}) \cdot C d \cdot \sqrt{2 \cdot g} \cdot {S w}^{\frac{3}{2}}

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

C d = \frac{Q tri}{(\frac{8}{15}) \cdot \sqrt{2 \cdot g} \cdot {S w}^{\frac{5}{2}}}

Go Discharge for Triangular Weir if Coefficient Discharge is Constant

Q tri = 1.418 \cdot {S w}^{\frac{5}{2}}

How to Evaluate Head when Discharge for Triangular Weir Angle is 90?

Head when Discharge for Triangular Weir Angle is 90 evaluator uses Height of Water above Crest of Weir = Discharge through Triangular Weir/((8/15)*Coefficient of Discharge*sqrt(2*Acceleration due to Gravity))^(2/5) to evaluate the Height of Water above Crest of Weir, The Head when discharge for triangular weir angle is 90 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 evaluate Head when Discharge for Triangular Weir Angle is 90 using this online evaluator? To use this online evaluator for Head when Discharge for Triangular Weir Angle is 90, enter Discharge through Triangular Weir (Q_tri), Coefficient of Discharge (C_d) & Acceleration due to Gravity (g) and hit the calculate button.

FAQs on Head when Discharge for Triangular Weir Angle is 90

What is the formula to find Head when Discharge for Triangular Weir Angle is 90?

The formula of Head when Discharge for Triangular Weir Angle is 90 is expressed as Height of Water above Crest of Weir = Discharge through Triangular Weir/((8/15)*Coefficient of Discharge*sqrt(2*Acceleration due to Gravity))^(2/5). Here is an example- 8.373976 = 10/((8/15)*0.66*sqrt(2*9.8))^(2/5).

How to calculate Head when Discharge for Triangular Weir Angle is 90?

With Discharge through Triangular Weir (Q_tri), Coefficient of Discharge (C_d) & Acceleration due to Gravity (g) we can find Head when Discharge for Triangular Weir Angle is 90 using the formula - Height of Water above Crest of Weir = Discharge through Triangular Weir/((8/15)*Coefficient of Discharge*sqrt(2*Acceleration due to Gravity))^(2/5). This formula also uses Square Root (sqrt) 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 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/1.418)^(2/5)

Can the Head when Discharge for Triangular Weir Angle is 90 be negative?

No, the Head when Discharge for Triangular Weir Angle is 90, measured in Length cannot be negative.

Which unit is used to measure Head when Discharge for Triangular Weir Angle is 90?

Head when Discharge for Triangular Weir Angle is 90 is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Head when Discharge for Triangular Weir Angle is 90 can be measured.

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