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
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
Equation for Drawdown Across One Log Cycle when Transmissivity is Given
Drawdown Across One Log Cycle=2.3*Pumping Rate/Transmissivity*4*pi GO

First Estimate of the Pumping Rate Formula

First Estimate of the Pumping Rate=2.7*Transmissivity*Drawdown Across One Log Cycle
Q<sub>e</sub>=2.7*T*Δs
More formulas
Distance from Pumping Well GO
Storage Coefficient when Distance from Pumping Well is Given GO
Transmissivity when Distance from Pumping Well is Given GO
Transmissivity when First Estimate of the Pumping Rate is Given GO
Drawdown across One Log Cycle when First Estimate of the Pumping Rate is Given GO

What is Pumping Rate?

Pumping Rate is the actual (or maximum desired, if constraints are to be applied) volumetric pumping rate (negative for withdrawal or positive for injection) at the well .

How to Calculate First Estimate of the Pumping Rate?

First Estimate of the Pumping Rate calculator uses First Estimate of the Pumping Rate=2.7*Transmissivity*Drawdown Across One Log Cycle to calculate the First Estimate of the Pumping Rate, The First Estimate of the Pumping Rate is to provide sufficient pressure to overcome the operating pressure of the system to move fluid at a required flow rate. First Estimate of the Pumping Rate and is denoted by Qe symbol.

How to calculate First Estimate of the Pumping Rate using this online calculator? To use this online calculator for First Estimate of the Pumping Rate, enter Transmissivity (T) and Drawdown Across One Log Cycle (Δs) and hit the calculate button. Here is how the First Estimate of the Pumping Rate calculation can be explained with given input values -> 0.0375 = 2.7*0.00277777777777778*5.

FAQ

What is First Estimate of the Pumping Rate?
The First Estimate of the Pumping Rate is to provide sufficient pressure to overcome the operating pressure of the system to move fluid at a required flow rate and is represented as Qe=2.7*T*Δs or First Estimate of the Pumping Rate=2.7*Transmissivity*Drawdown Across One Log Cycle. Transmissivity is the rate at which groundwater flows horizontally through an aquifer and Drawdown Across One Log Cycle from Time-drawdown graphs.
How to calculate First Estimate of the Pumping Rate?
The First Estimate of the Pumping Rate is to provide sufficient pressure to overcome the operating pressure of the system to move fluid at a required flow rate is calculated using First Estimate of the Pumping Rate=2.7*Transmissivity*Drawdown Across One Log Cycle. To calculate First Estimate of the Pumping Rate, you need Transmissivity (T) and Drawdown Across One Log Cycle (Δs). With our tool, you need to enter the respective value for Transmissivity and Drawdown Across One Log Cycle and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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