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Discharge through Small Rectangular Shaped Aperture Weir Formula

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Discharge for Small Rectangular Aperture is the rate of flow of a liquid. Check FAQs

Q srw = K Flow \cdot (S w - (\frac{h ap}{3}))

Q_srw - Discharge for Small Rectangular Aperture?K_Flow - Constant for Small Rectangular Aperture?S_w - Height of Water above Crest of Weir?h_ap - Height of Small Rectangular Aperture?

Discharge through Small Rectangular Shaped Aperture Weir Example

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Here is how the Discharge through Small Rectangular Shaped Aperture Weir equation looks like with Values.

Here is how the Discharge through Small Rectangular Shaped Aperture Weir equation looks like with Units.

Here is how the Discharge through Small Rectangular Shaped Aperture Weir equation looks like.

11.715 = 7.81 \cdot (2 - (\frac{1.5}{3}))

11.715m³/s = 7.81 \cdot (2m - (\frac{1.5m}{3}))

11.715 = 7.81 \cdot (2 - (\frac{1.5}{3}))

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Discharge through Small Rectangular Shaped Aperture Weir Solution

Follow our step by step solution on how to calculate Discharge through Small Rectangular Shaped Aperture Weir?

FIRST Step Consider the formula

Q srw = K Flow \cdot (S w - (\frac{h ap}{3}))

Next Step Substitute values of Variables

∴

Q srw = 7.81 \cdot (2m - (\frac{1.5m}{3}))

Next Step Prepare to Evaluate

∴

Q srw = 7.81 \cdot (2 - (\frac{1.5}{3}))

LAST Step Evaluate

∴

Q srw = 11.715m³/s

Discharge through Small Rectangular Shaped Aperture Weir Formula Elements

Variables

Discharge for Small Rectangular Aperture

Discharge for Small Rectangular Aperture is the rate of flow of a liquid.

Symbol: Q_srw

Measurement: Volumetric Flow RateUnit: m³/s

Note: Value can be positive or negative.

Formulas to find Discharge for Small Rectangular Aperture

Constant for Small Rectangular Aperture

Constant for Small Rectangular Aperture is defined by empirical formula given for Small Rectangular Aperture.

Symbol: K_Flow

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Constant for Small Rectangular Aperture

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

Height of Small Rectangular Aperture

Height of Small Rectangular Aperture is the distance between the lowest and highest points of Small Rectangular Aperture.

Symbol: h_ap

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Height of Small Rectangular Aperture

Other formulas in Proportional Weir or Sutro Weir category

Go Constant given Discharge through Small Rectangular Shaped Aperture Weir

K Flow = \frac{Q srw}{S w - (\frac{h ap}{3})}

Go Head given Discharge through Small Rectangular Shaped Aperture Weir

S w = (\frac{Q srw}{K Flow}) + (\frac{h ap}{3})

Go Height of Aperture given Discharge through Small Rectangular Shaped Aperture Weir

h ap = - ((\frac{Q srw}{K Flow}) - S w) \cdot 3

Go Constant for Small Rectangular Shaped Aperture Weir

K Flow = C d \cdot w ap \cdot {(2 \cdot g \cdot h ap)}^{\frac{1}{2}}

How to Evaluate Discharge through Small Rectangular Shaped Aperture Weir?

Discharge through Small Rectangular Shaped Aperture Weir evaluator uses Discharge for Small Rectangular Aperture = Constant for Small Rectangular Aperture*(Height of Water above Crest of Weir-(Height of Small Rectangular Aperture/3)) to evaluate the Discharge for Small Rectangular Aperture, The Discharge through Small Rectangular Shaped Aperture weir is a measure of the quantity of any fluid flow over unit time. The quantity may be either volume or mass. Discharge for Small Rectangular Aperture is denoted by Q_srw symbol.

How to evaluate Discharge through Small Rectangular Shaped Aperture Weir using this online evaluator? To use this online evaluator for Discharge through Small Rectangular Shaped Aperture Weir, enter Constant for Small Rectangular Aperture (K_Flow), Height of Water above Crest of Weir (S_w) & Height of Small Rectangular Aperture (h_ap) and hit the calculate button.

FAQs on Discharge through Small Rectangular Shaped Aperture Weir

What is the formula to find Discharge through Small Rectangular Shaped Aperture Weir?

The formula of Discharge through Small Rectangular Shaped Aperture Weir is expressed as Discharge for Small Rectangular Aperture = Constant for Small Rectangular Aperture*(Height of Water above Crest of Weir-(Height of Small Rectangular Aperture/3)). Here is an example- 11.715 = 7.81*(2-(1.5/3)).

How to calculate Discharge through Small Rectangular Shaped Aperture Weir?

With Constant for Small Rectangular Aperture (K_Flow), Height of Water above Crest of Weir (S_w) & Height of Small Rectangular Aperture (h_ap) we can find Discharge through Small Rectangular Shaped Aperture Weir using the formula - Discharge for Small Rectangular Aperture = Constant for Small Rectangular Aperture*(Height of Water above Crest of Weir-(Height of Small Rectangular Aperture/3)).

Can the Discharge through Small Rectangular Shaped Aperture Weir be negative?

Yes, the Discharge through Small Rectangular Shaped Aperture Weir, measured in Volumetric Flow Rate can be negative.

Which unit is used to measure Discharge through Small Rectangular Shaped Aperture Weir?

Discharge through Small Rectangular Shaped Aperture 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 Small Rectangular Shaped Aperture Weir can be measured.

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