Equation for Drawdown Across One Log Cycle when Transmissivity is Given Calculator

Category	Engineering ↺
Engineering	Civil ↺
Civil	Hydrology and Irrigation ↺
Hydrology-And-Irrigation	Groundwater Hydrology ↺
Groundwater-Hydrology	Time-Drawdown Analysis ↺

✖Pumping Rate is the actual volumetric pumping rate.ⓘ Pumping Rate [Q]			+10% -10%
✖Transmissivity is the rate at which groundwater flows horizontally through an aquifer.ⓘ Transmissivity [T]			+10% -10%

✖Drawdown Across One Log Cycle from Time-drawdown graphs.ⓘ Equation for Drawdown Across One Log Cycle when Transmissivity is Given [Δs]

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Equation for Drawdown Across One Log Cycle when Transmissivity is Given

Mithila Muthamma PA

Coorg Institute of Technology (CIT), Coorg

Mithila Muthamma PA has created this Calculator and 400+ more calculators!

Chandana P Dev

NSS College of Engineering (NSSCE), Palakkad

Chandana P Dev has verified this Calculator and 400+ more calculators!

< 11 Other formulas that you can solve using the same Inputs

Time at which Steady-Shape Conditions Develop

time at which steady-shape conditions develop=(7200*Distance from Pumping Well to Observation Well^2*Storage Coefficient)/Transmissivity GO

Storage Coefficient when Time at which Steady-Shape Conditions Develop is Given

Storage Coefficient=Transmissivity*time at which steady-shape conditions develop/7200*Distance from Pumping Well to Observation Well^2 GO

Storage Coefficient from the Time-Drawdown Graphs

Storage Coefficient=(2.25*Transmissivity*Time at the Point of Intersection )/Distance from Pumping Well to Observation Well^2 GO

Equation for the Varying Dimensionless Group u in Theis Equation

Varying Dimensionless Group =(Distance from Pumping Well to Observation Well^2*Storage Coefficient)/4*Transmissivity*Time GO

Theis Equation to Determine Storage Coefficient

Storage Coefficient=(4*Transmissivity*Time*Varying Dimensionless Group )/Distance from Pumping Well to Observation Well^2 GO

Equation for Pumping Rate when Transmissivity derived from the Time-Drawdown Graphs is Given

Pumping Rate=(Transmissivity*4*pi*Drawdown Across One Log Cycle)/Pumping Rate GO

Quantity of Water when Transmissivity is Given

Quantity of water=Transmissivity*Large Width of Aquifer*Hydraulic Gradient GO

Storage Coefficient From Theis Equation of Transmissivity

Storage Coefficient=(Pumping Rate*Well Function of u)/Transmissivity*4*pi GO

Theis Equation to Determine Transmissivity

Transmissivity=(Pumping Rate*Well Function of u)/4*pi*Storage Coefficient GO

Thickness of Aquifer when Transmissivity is Given

Aquifer Thickness at Midpoint =Transmissivity/Hydraulic Conductivity GO

Transmissivity Derived from the Time-Drawdown Graphs

Transmissivity=(2.3*Pumping Rate)/4*pi*Drawdown Across One Log Cycle GO

< 3 Other formulas that calculate the same Output

Drawdown across One Log Cycle when First Estimate of the Pumping Rate is Given

Drawdown Across One Log Cycle=First Estimate of the Pumping Rate/2.7*Transmissivity GO

Drawdown across One Log Cycle from Distance-Drawdown Graphs when Transmissivity is Given

Drawdown Across One Log Cycle=2.3*Pumping Rate/(Transmissivity*2*pi) GO

Drawdown across One Log Cycle when Transmissivity is Given for Inconsistent Units

Drawdown Across One Log Cycle=70*Pumping Rate/Transmissivity GO

Equation for Drawdown Across One Log Cycle when Transmissivity is Given Formula

Drawdown Across One Log Cycle=2.3*Pumping Rate/Transmissivity*4*pi
Δs=2.3*Q/T*4*pi

More formulas

Time at which Steady-Shape Conditions Develop GO

Transmissivity when Time at which Steady-Shape Conditions Develop is Given GO

Storage Coefficient when Time at which Steady-Shape Conditions Develop is Given GO

Transmissivity Derived from the Time-Drawdown Graphs GO

Storage Coefficient from the Time-Drawdown Graphs GO

Equation for Pumping Rate when Transmissivity derived from the Time-Drawdown Graphs is Given GO

Distance from the Pumping Well to the Observation Well when Storage Coefficient is Given GO

Modified Equation for Transmissivity from Time-Drawdown Graphs GO

Modified Equation for Storage Coefficient from Time-Drawdown Graphs GO

What is Drawdown?

Drawdown is 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.

How to Calculate Equation for Drawdown Across One Log Cycle when Transmissivity is Given?

Equation for Drawdown Across One Log Cycle when Transmissivity is Given calculator uses Drawdown Across One Log Cycle=2.3*Pumping Rate/Transmissivity*4*pi to calculate the Drawdown Across One Log Cycle, Equation for Drawdown Across One Log Cycle when Transmissivity is Given as the reduction in hydraulic head observed at a well in an aquifer. Drawdown Across One Log Cycle and is denoted by Δs symbol.

How to calculate Equation for Drawdown Across One Log Cycle when Transmissivity is Given using this online calculator? To use this online calculator for Equation for Drawdown Across One Log Cycle when Transmissivity is Given, enter Pumping Rate (Q) and Transmissivity (T) and hit the calculate button. Here is how the Equation for Drawdown Across One Log Cycle when Transmissivity is Given calculation can be explained with given input values -> 20809.91 = 2.3*2/0.00277777777777778*4*pi.

FAQ

What is Equation for Drawdown Across One Log Cycle when Transmissivity is Given?

Equation for Drawdown Across One Log Cycle when Transmissivity is Given as the reduction in hydraulic head observed at a well in an aquifer and is represented as Δs=2.3*Q/T*4*pi or Drawdown Across One Log Cycle=2.3*Pumping Rate/Transmissivity*4*pi. Pumping Rate is the actual volumetric pumping rate and Transmissivity is the rate at which groundwater flows horizontally through an aquifer.

How to calculate Equation for Drawdown Across One Log Cycle when Transmissivity is Given?

Equation for Drawdown Across One Log Cycle when Transmissivity is Given as the reduction in hydraulic head observed at a well in an aquifer is calculated using Drawdown Across One Log Cycle=2.3*Pumping Rate/Transmissivity*4*pi. To calculate Equation for Drawdown Across One Log Cycle when Transmissivity is Given, you need Pumping Rate (Q) and Transmissivity (T). With our tool, you need to enter the respective value for Pumping Rate and Transmissivity 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 Drawdown Across One Log Cycle?

In this formula, Drawdown Across One Log Cycle uses Pumping Rate and Transmissivity. We can use 3 other way(s) to calculate the same, which is/are as follows -

Drawdown Across One Log Cycle=2.3*Pumping Rate/(Transmissivity*2*pi)
Drawdown Across One Log Cycle=70*Pumping Rate/Transmissivity
Drawdown Across One Log Cycle=First Estimate of the Pumping Rate/2.7*Transmissivity

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