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Discharge is the flow rate of water that is extracted from or injected into a well. Check FAQs
Q=Kw⋅ie⋅Axsec
Q - Discharge?Kw - Coefficient of Permeability?ie - Hydraulic Gradient in Envi. Engi.?Axsec - Area of Cross Section in Enviro. Engin.?

Rate of Flow given Coefficient of Permeability Example

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With units
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Here is how the Rate of Flow given Coefficient of Permeability equation looks like with Values.

Here is how the Rate of Flow given Coefficient of Permeability equation looks like with Units.

Here is how the Rate of Flow given Coefficient of Permeability equation looks like.

1.2247Edit=1125Edit⋅17.01Edit⋅6400Edit
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Rate of Flow given Coefficient of Permeability Solution

Follow our step by step solution on how to calculate Rate of Flow given Coefficient of Permeability?

FIRST Step Consider the formula
Q=Kw⋅ie⋅Axsec
Next Step Substitute values of Variables
∴ Q=1125cm/s⋅17.01⋅6400mm²
Next Step Convert Units
∴ Q=11.25m/s⋅17.01⋅0.0064m²
Next Step Prepare to Evaluate
∴ Q=11.25⋅17.01⋅0.0064
Next Step Evaluate
∴Q=1.22472m³/s
LAST Step Rounding Answer
∴Q=1.2247m³/s

Rate of Flow given Coefficient of Permeability Formula Elements

Variables
Discharge
Discharge is the flow rate of water that is extracted from or injected into a well.
Symbol: Q
Measurement: Volumetric Flow RateUnit: m³/s
Note: Value can be positive or negative.
Formulas to find DischargeOpen Variable
Coefficient of Permeability
Coefficient of Permeability is the velocity in meters or centimeters per second of water through soils.
Symbol: Kw
Measurement: SpeedUnit: cm/s
Note: Value should be greater than 0.
Formulas to find Coefficient of PermeabilityOpen Variable
Hydraulic Gradient in Envi. Engi.
Hydraulic Gradient in Envi. Engi. is a specific measurement of liquid pressure above a vertical datum.
Symbol: ie
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Formulas to find Hydraulic Gradient in Envi. Engi.Open Variable
Area of Cross Section in Enviro. Engin.
Area of Cross Section in Enviro. Engin. is the enclosed surface area, product of length and breadth.
Symbol: Axsec
Measurement: AreaUnit: mm²
Note: Value should be greater than 0.
Formulas to find Area of Cross Section in Enviro. Engin.Open Variable

Other Formulas to find Discharge

​Go Rate of Flow given Flow Velocity
Q=(Vwh'⋅Asec)
​Go Discharge in Unconfined Aquifer
Q=π⋅KWH⋅(H2-hw2)log((Rwr),e)
​Go Discharge in Unconfined Aquifer with Base 10
Q=1.36⋅KWH⋅(bw2-hw2)log((Rwr),10)
​Go Discharge when Two Observation Well is Taken
Q=π⋅KWH⋅(h22-h12)log((r2r1),e)

How to Evaluate Rate of Flow given Coefficient of Permeability?

Rate of Flow given Coefficient of Permeability evaluator uses Discharge = Coefficient of Permeability*Hydraulic Gradient in Envi. Engi.*Area of Cross Section in Enviro. Engin. to evaluate the Discharge, The Rate of Flow given Coefficient of Permeability is defined as the rate of flow or discharge when we have prior information of other parameters used. Discharge is denoted by Q symbol.

How to evaluate Rate of Flow given Coefficient of Permeability using this online evaluator? To use this online evaluator for Rate of Flow given Coefficient of Permeability, enter Coefficient of Permeability (Kw), Hydraulic Gradient in Envi. Engi. (ie) & Area of Cross Section in Enviro. Engin. (Axsec) and hit the calculate button.

FAQs on Rate of Flow given Coefficient of Permeability

What is the formula to find Rate of Flow given Coefficient of Permeability?
The formula of Rate of Flow given Coefficient of Permeability is expressed as Discharge = Coefficient of Permeability*Hydraulic Gradient in Envi. Engi.*Area of Cross Section in Enviro. Engin.. Here is an example- 1.08864 = 11.25*17.01*0.0064.
How to calculate Rate of Flow given Coefficient of Permeability?
With Coefficient of Permeability (Kw), Hydraulic Gradient in Envi. Engi. (ie) & Area of Cross Section in Enviro. Engin. (Axsec) we can find Rate of Flow given Coefficient of Permeability using the formula - Discharge = Coefficient of Permeability*Hydraulic Gradient in Envi. Engi.*Area of Cross Section in Enviro. Engin..
What are the other ways to Calculate Discharge?
Here are the different ways to Calculate Discharge-
  • Discharge=(Velocity of Flow*Area of Cross Section)OpenImg
  • Discharge=(pi*Coefficient of Permeability in Well Hydraulics*(Thickness of Unconfined Aquifer^2-Depth of Water^2))/(log((Radius of Influence/Radius of Well),e))OpenImg
  • Discharge=(1.36*Coefficient of Permeability in Well Hydraulics*(Aquifer Thickness^2-Depth of Water^2))/(log((Radius of Influence/Radius of Well),10))OpenImg
Can the Rate of Flow given Coefficient of Permeability be negative?
Yes, the Rate of Flow given Coefficient of Permeability, measured in Volumetric Flow Rate can be negative.
Which unit is used to measure Rate of Flow given Coefficient of Permeability?
Rate of Flow given Coefficient of Permeability 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 Rate of Flow given Coefficient of Permeability can be measured.
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