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Francis Formula for Discharge for Rectangular Notch if Velocity not considered Formula

GoFrancis Formula for Discharge for Rectangular Notch if Velocity is considered Formula

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Francis Discharge is calculated from the empirical formula given by Francis. Check FAQs

Q Fr = 1.84 \cdot (L w - 0.1 \cdot n \cdot S w) \cdot {S w}^{\frac{3}{2}}

Q_Fr - Francis Discharge?L_w - Length of Weir Crest?n - Number of End Contraction?S_w - Height of Water above Crest of Weir?

Francis Formula for Discharge for Rectangular Notch if Velocity not considered Example

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Here is how the Francis Formula for Discharge for Rectangular Notch if Velocity not considered equation looks like with Values.

Here is how the Francis Formula for Discharge for Rectangular Notch if Velocity not considered equation looks like with Units.

Here is how the Francis Formula for Discharge for Rectangular Notch if Velocity not considered equation looks like.

11.4495 = 1.84 \cdot (3 - 0.1 \cdot 4 \cdot 2) \cdot 2^{\frac{3}{2}}

11.4495m³/s = 1.84 \cdot (3m - 0.1 \cdot 4 \cdot 2m) \cdot {2m}^{\frac{3}{2}}

11.4495 = 1.84 \cdot (3 - 0.1 \cdot 4 \cdot 2) \cdot 2^{\frac{3}{2}}

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Francis Formula for Discharge for Rectangular Notch if Velocity not considered Solution

Follow our step by step solution on how to calculate Francis Formula for Discharge for Rectangular Notch if Velocity not considered?

FIRST Step Consider the formula

Q Fr = 1.84 \cdot (L w - 0.1 \cdot n \cdot S w) \cdot {S w}^{\frac{3}{2}}

Next Step Substitute values of Variables

∴

Q Fr = 1.84 \cdot (3m - 0.1 \cdot 4 \cdot 2m) \cdot {2m}^{\frac{3}{2}}

Next Step Prepare to Evaluate

∴

Q Fr = 1.84 \cdot (3 - 0.1 \cdot 4 \cdot 2) \cdot 2^{\frac{3}{2}}

Next Step Evaluate

∴

Q Fr = 11.4494730009726m³/s

LAST Step Rounding Answer

∴

Q Fr = 11.4495m³/s

Francis Formula for Discharge for Rectangular Notch if Velocity not considered Formula Elements

Variables

Francis Discharge

Francis Discharge is calculated from the empirical formula given by Francis.

Symbol: Q_Fr

Measurement: Volumetric Flow RateUnit: m³/s

Note: Value should be greater than 0.

Formulas to find Francis Discharge

Length of Weir Crest

Length of Weir Crest is the measurement or extent of Weir Crest from end to end.

Symbol: L_w

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Length of Weir Crest

Number of End Contraction

Number of End Contraction 1 can be described as the end contractions acting on a channel.

Symbol: n

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Number of End Contraction

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

Other Formulas to find Francis Discharge

Go Francis Formula for Discharge for Rectangular Notch if Velocity is considered

Q Fr = 1.84 \cdot (L w - 0.1 \cdot n \cdot H Stillwater) \cdot ({H Stillwater}^{\frac{3}{2}} - {H V}^{\frac{3}{2}})

Other formulas in Flow Over Rectangular Sharp Crested Weir or Notch category

Go Coefficient of Discharge given Discharge over Weir without considering Velocity

C d = \frac{Q Fr' \cdot 3}{2 \cdot (\sqrt{2 \cdot g}) \cdot L w \cdot {S w}^{\frac{3}{2}}}

Go Coefficient of Discharge given Discharge Passing over Weir considering Velocity

C d = \frac{Q Fr' \cdot 3}{2 \cdot (\sqrt{2 \cdot g}) \cdot L w \cdot ({(S w + H V)}^{\frac{3}{2}} - {H V}^{\frac{3}{2}})}

Go Coefficient of Discharge given Discharge if Velocity not considered

C d = \frac{Q Fr \cdot 3}{2 \cdot (\sqrt{2 \cdot g}) \cdot (L w - 0.1 \cdot n \cdot S w) \cdot {S w}^{\frac{3}{2}}}

Go Coefficient of Discharge given Discharge if Velocity considered

C d = \frac{Q Fr \cdot 3}{2 \cdot (\sqrt{2 \cdot g}) \cdot (L w - 0.1 \cdot n \cdot H Stillwater) \cdot ({H Stillwater}^{\frac{3}{2}} - {H V}^{\frac{3}{2}})}

How to Evaluate Francis Formula for Discharge for Rectangular Notch if Velocity not considered?

Francis Formula for Discharge for Rectangular Notch if Velocity not considered evaluator uses Francis Discharge = 1.84*(Length of Weir Crest-0.1*Number of End Contraction*Height of Water above Crest of Weir)*Height of Water above Crest of Weir^(3/2) to evaluate the Francis Discharge, The Francis formula for discharge for rectangular notch if velocity not considered is a measure of the quantity of any fluid flow over unit time. The quantity may be either volume or mass. Francis Discharge is denoted by Q_Fr symbol.

How to evaluate Francis Formula for Discharge for Rectangular Notch if Velocity not considered using this online evaluator? To use this online evaluator for Francis Formula for Discharge for Rectangular Notch if Velocity not considered, enter Length of Weir Crest (L_w), Number of End Contraction (n) & Height of Water above Crest of Weir (S_w) and hit the calculate button.

FAQs on Francis Formula for Discharge for Rectangular Notch if Velocity not considered

What is the formula to find Francis Formula for Discharge for Rectangular Notch if Velocity not considered?

The formula of Francis Formula for Discharge for Rectangular Notch if Velocity not considered is expressed as Francis Discharge = 1.84*(Length of Weir Crest-0.1*Number of End Contraction*Height of Water above Crest of Weir)*Height of Water above Crest of Weir^(3/2). Here is an example- 11.44947 = 1.84*(3-0.1*4*2)*2^(3/2).

How to calculate Francis Formula for Discharge for Rectangular Notch if Velocity not considered?

With Length of Weir Crest (L_w), Number of End Contraction (n) & Height of Water above Crest of Weir (S_w) we can find Francis Formula for Discharge for Rectangular Notch if Velocity not considered using the formula - Francis Discharge = 1.84*(Length of Weir Crest-0.1*Number of End Contraction*Height of Water above Crest of Weir)*Height of Water above Crest of Weir^(3/2).

What are the other ways to Calculate Francis Discharge?

Here are the different ways to Calculate Francis Discharge-

Francis Discharge=1.84*(Length of Weir Crest-0.1*Number of End Contraction*Still Water Head)*(Still Water Head^(3/2)-Velocity Head^(3/2))

Can the Francis Formula for Discharge for Rectangular Notch if Velocity not considered be negative?

No, the Francis Formula for Discharge for Rectangular Notch if Velocity not considered, measured in Volumetric Flow Rate cannot be negative.

Which unit is used to measure Francis Formula for Discharge for Rectangular Notch if Velocity not considered?

Francis Formula for Discharge for Rectangular Notch if Velocity not 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 Francis Formula for Discharge for Rectangular Notch if Velocity not considered can be measured.

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Francis Formula for Discharge for Rectangular Notch if Velocity not considered Formula

​GoFrancis Formula for Discharge for Rectangular Notch if Velocity is considered Formula

Francis Formula for Discharge for Rectangular Notch if Velocity not considered Example

Francis Formula for Discharge for Rectangular Notch if Velocity not considered Solution

Francis Formula for Discharge for Rectangular Notch if Velocity not considered Formula Elements

Other Formulas to find Francis Discharge

Other formulas in Flow Over Rectangular Sharp Crested Weir or Notch category

How to Evaluate Francis Formula for Discharge for Rectangular Notch if Velocity not considered?

FAQs on Francis Formula for Discharge for Rectangular Notch if Velocity not considered

Variable Name

GoFrancis Formula for Discharge for Rectangular Notch if Velocity is considered Formula