Coefficient of Permeability given Discharge and Length of Strainer Calculator

✖Discharge is the flow rate of water that is extracted from or injected into a well.ⓘ Discharge [Q]			+10% -10%
✖Total Drawdown in Well is defined as the reduction in hydraulic head observed at a well in an aquifer, typically due to pumping a well as part of an aquifer test or well test.ⓘ Total Drawdown in Well [S_tw]			+10% -10%
✖Strainer Length is measured from bottom of aquifer to top of it.ⓘ Strainer Length [l_st]			+10% -10%
✖Radius of Influence measured from the center of the well to the point where drawdown curve meets the original water table.ⓘ Radius of Influence [R_w]			+10% -10%
✖Radius of Well is defined as the distance from center of well to its outer boundary.ⓘ Radius of Well [r]			+10% -10%

✖Coefficient of Permeability in Well Hydraulics of soil in well hydraulics describes how easily a liquid will move through the soil.ⓘ Coefficient of Permeability given Discharge and Length of Strainer [K_WH]

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Coefficient of Permeability given Discharge and Length of Strainer Solution

STEP 0: Pre-Calculation Summary

Formula Used

Coefficient of Permeability in Well Hydraulics = Discharge/((2.72*Total Drawdown in Well*(Strainer Length+(Total Drawdown in Well/2)))/(log((Radius of Influence/Radius of Well),10)))
K_WH = Q/((2.72*S_tw*(l_st+(S_tw/2)))/(log((R_w/r),10)))
This formula uses 1 Functions, 6 Variables

Functions Used

log - Logarithmic function is an inverse function to exponentiation., log(Base, Number)

Variables Used

Coefficient of Permeability in Well Hydraulics - (Measured in Meter per Second) - Coefficient of Permeability in Well Hydraulics of soil in well hydraulics describes how easily a liquid will move through the soil.
Discharge - (Measured in Cubic Meter per Second) - Discharge is the flow rate of water that is extracted from or injected into a well.
Total Drawdown in Well - (Measured in Meter) - Total Drawdown in Well is defined as the reduction in hydraulic head observed at a well in an aquifer, typically due to pumping a well as part of an aquifer test or well test.
Strainer Length - (Measured in Meter) - Strainer Length is measured from bottom of aquifer to top of it.
Radius of Influence - (Measured in Meter) - Radius of Influence measured from the center of the well to the point where drawdown curve meets the original water table.
Radius of Well - (Measured in Meter) - Radius of Well is defined as the distance from center of well to its outer boundary.

STEP 1: Convert Input(s) to Base Unit

Discharge: 1.01 Cubic Meter per Second --> 1.01 Cubic Meter per Second No Conversion Required
Total Drawdown in Well: 4.93 Meter --> 4.93 Meter No Conversion Required
Strainer Length: 10.2 Meter --> 10.2 Meter No Conversion Required
Radius of Influence: 8.6 Meter --> 8.6 Meter No Conversion Required
Radius of Well: 7.5 Meter --> 7.5 Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

K_WH = Q/((2.72*S_tw*(l_st+(S_tw/2)))/(log((R_w/r),10))) --> 1.01/((2.72*4.93*(10.2+(4.93/2)))/(log((8.6/7.5),10)))

Evaluating ... ...

K_WH = 0.100055761783604

STEP 3: Convert Result to Output's Unit

0.100055761783604 Meter per Second -->10.0055761783604 Centimeter per Second (Check conversion here)

FINAL ANSWER

10.0055761783604 ≈ 10.00558 Centimeter per Second <-- Coefficient of Permeability in Well Hydraulics

(Calculation completed in 00.004 seconds)

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Created by Suraj Kumar

Birsa Institute of Technology (BIT), Sindri

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< Coefficient of Permeability Calculators

Coefficient of Permeability given Discharge in Unconfined Aquifer

LaTeX Go Coefficient of Permeability in Well Hydraulics = Discharge/((pi*(Thickness of Unconfined Aquifer^2-Depth of Water^2))/(log((Radius of Influence/Radius of Well),e)))

Coefficient of Permeability given Discharge in Unconfined Aquifer with Base 10

LaTeX Go Coefficient of Permeability in Well Hydraulics = Discharge/((1.36*(Aquifer Thickness^2-Depth of Water in Well^2))/(log((Radius of Influence/Radius of Well),10)))

Coefficient of Permeability given Rate of Flow

LaTeX Go Coefficient of Permeability given Rate of Flow = (Discharge/(Hydraulic Gradient in Envi. Engi.*Area of Cross Section in Enviro. Engin.))

Coefficient of Permeability given Flow Velocity

LaTeX Go Coefficient of Permeability given Flow Velocity = (Flow Velocity/Hydraulic Gradient in Envi. Engi.)

Coefficient of Permeability given Discharge and Length of Strainer Formula

LaTeX Go

What is Coefficient of Permeability?

The coefficient of permeability of a soil describes how easily a liquid will move through a soil. It is also commonly referred to as the hydraulic conductivity of a soil.

How to Calculate Coefficient of Permeability given Discharge and Length of Strainer?

Coefficient of Permeability given Discharge and Length of Strainer calculator uses Coefficient of Permeability in Well Hydraulics = Discharge/((2.72*Total Drawdown in Well*(Strainer Length+(Total Drawdown in Well/2)))/(log((Radius of Influence/Radius of Well),10))) to calculate the Coefficient of Permeability in Well Hydraulics, The Coefficient of Permeability given Discharge and Length of Strainer formula is defined as the value of coefficient of permeability when we have prior information of discharge and length of strainer. Coefficient of Permeability in Well Hydraulics is denoted by K_WH symbol.

How to calculate Coefficient of Permeability given Discharge and Length of Strainer using this online calculator? To use this online calculator for Coefficient of Permeability given Discharge and Length of Strainer, enter Discharge (Q), Total Drawdown in Well (S_tw), Strainer Length (l_st), Radius of Influence (R_w) & Radius of Well (r) and hit the calculate button. Here is how the Coefficient of Permeability given Discharge and Length of Strainer calculation can be explained with given input values -> 1000.558 = 1.01/((2.72*4.93*(10.2+(4.93/2)))/(log((8.6/7.5),10))).

FAQ

What is Coefficient of Permeability given Discharge and Length of Strainer?

The Coefficient of Permeability given Discharge and Length of Strainer formula is defined as the value of coefficient of permeability when we have prior information of discharge and length of strainer and is represented as K_WH = Q/((2.72*S_tw*(l_st+(S_tw/2)))/(log((R_w/r),10))) or Coefficient of Permeability in Well Hydraulics = Discharge/((2.72*Total Drawdown in Well*(Strainer Length+(Total Drawdown in Well/2)))/(log((Radius of Influence/Radius of Well),10))). Discharge is the flow rate of water that is extracted from or injected into a well, Total Drawdown in Well is defined as the reduction in hydraulic head observed at a well in an aquifer, typically due to pumping a well as part of an aquifer test or well test, Strainer Length is measured from bottom of aquifer to top of it, Radius of Influence measured from the center of the well to the point where drawdown curve meets the original water table & Radius of Well is defined as the distance from center of well to its outer boundary.

How to calculate Coefficient of Permeability given Discharge and Length of Strainer?

The Coefficient of Permeability given Discharge and Length of Strainer formula is defined as the value of coefficient of permeability when we have prior information of discharge and length of strainer is calculated using Coefficient of Permeability in Well Hydraulics = Discharge/((2.72*Total Drawdown in Well*(Strainer Length+(Total Drawdown in Well/2)))/(log((Radius of Influence/Radius of Well),10))). To calculate Coefficient of Permeability given Discharge and Length of Strainer, you need Discharge (Q), Total Drawdown in Well (S_tw), Strainer Length (l_st), Radius of Influence (R_w) & Radius of Well (r). With our tool, you need to enter the respective value for Discharge, Total Drawdown in Well, Strainer Length, Radius of Influence & Radius of Well 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 Coefficient of Permeability in Well Hydraulics?

In this formula, Coefficient of Permeability in Well Hydraulics uses Discharge, Total Drawdown in Well, Strainer Length, Radius of Influence & Radius of Well. We can use 3 other way(s) to calculate the same, which is/are as follows -

Coefficient of Permeability in Well Hydraulics = Discharge/((pi*(Thickness of Unconfined Aquifer^2-Depth of Water^2))/(log((Radius of Influence/Radius of Well),e)))
Coefficient of Permeability in Well Hydraulics = Discharge/((1.36*(Aquifer Thickness^2-Depth of Water in Well^2))/(log((Radius of Influence/Radius of Well),10)))
Coefficient of Permeability in Well Hydraulics = Discharge/((pi*(Depth of Water 2^2-Depth of Water 1^2))/(log((Radial Distance at Observation Well 2/Observation Well 1 Radial Distance),e)))

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