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The Pumping Rate is referred as volume of water (or other fluid) that is pumped per unit of time. It’s typically measured in units like liters per second (L/s) or cubic meters per hour (m³/h). Check FAQs
q=T2πΔsD2.3
q - Pumping Rate?T - Transmissivity?ΔsD - Drawdown Across Log Cycle?π - Archimedes' constant?

Pumping Rate from Distance Drawdown Graphs Example

With values
With units
Only example

Here is how the Pumping Rate from Distance Drawdown Graphs equation looks like with Values.

Here is how the Pumping Rate from Distance Drawdown Graphs equation looks like with Units.

Here is how the Pumping Rate from Distance Drawdown Graphs equation looks like.

7.0017Edit=11Edit23.14160.233Edit2.3
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Pumping Rate from Distance Drawdown Graphs Solution

Follow our step by step solution on how to calculate Pumping Rate from Distance Drawdown Graphs?

FIRST Step Consider the formula
q=T2πΔsD2.3
Next Step Substitute values of Variables
q=11m²/s2π0.2332.3
Next Step Substitute values of Constants
q=11m²/s23.14160.2332.3
Next Step Prepare to Evaluate
q=1123.14160.2332.3
Next Step Evaluate
q=7.00165388795708m³/s
LAST Step Rounding Answer
q=7.0017m³/s

Pumping Rate from Distance Drawdown Graphs Formula Elements

Variables
Constants
Pumping Rate
The Pumping Rate is referred as volume of water (or other fluid) that is pumped per unit of time. It’s typically measured in units like liters per second (L/s) or cubic meters per hour (m³/h).
Symbol: q
Measurement: Volumetric Flow RateUnit: m³/s
Note: Value can be positive or negative.
Transmissivity
Transmissivity is the rate at which groundwater flows horizontally through an aquifer or the degree to which a medium allows something, in particular electromagnetic radiation, to pass through it.
Symbol: T
Measurement: Kinematic ViscosityUnit: m²/s
Note: Value can be positive or negative.
Drawdown Across Log Cycle
The Drawdown Across Log Cycle is referred as change in water level (or hydraulic head) in an aquifer due to pumping from a well.
Symbol: ΔsD
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Archimedes' constant
Archimedes' constant is a mathematical constant that represents the ratio of the circumference of a circle to its diameter.
Symbol: π
Value: 3.14159265358979323846264338327950288

Other Formulas to find Pumping Rate

​Go Pumping Rate given Transmissivity for Inconsistent Units from Distance-Drawdown Graphs
q=TΔs70

Other formulas in Distance Drawdown Analysis category

​Go Transmissivity from Distance Drawdown Graphs
T=2.3q2πΔsD
​Go Storage Coefficient from Distance-Drawdown Graphs
S=2.25Tstro2
​Go Drawdown across One Log Cycle from Distance Drawdown Graphs given Transmissivity
ΔsD=2.3qT2π
​Go Transmissivity given Storage Coefficient from Distance Drawdown
T=Sro22.25st

How to Evaluate Pumping Rate from Distance Drawdown Graphs?

Pumping Rate from Distance Drawdown Graphs evaluator uses Pumping Rate = Transmissivity*2*pi*Drawdown Across Log Cycle/2.3 to evaluate the Pumping Rate, The Pumping Rate from Distance Drawdown Graphs formula is defined as volume of water (or other fluid) that is pumped per unit of time. It’s typically measured in units like liters per second (L/s) or cubic meters per hour (m³/h), when transmissivity is given at a controlled rate and drawdown is measured in one or more surrounding observation wells and optionally in the pumped well control well itself. Pumping Rate is denoted by q symbol.

How to evaluate Pumping Rate from Distance Drawdown Graphs using this online evaluator? To use this online evaluator for Pumping Rate from Distance Drawdown Graphs, enter Transmissivity (T) & Drawdown Across Log Cycle (ΔsD) and hit the calculate button.

FAQs on Pumping Rate from Distance Drawdown Graphs

What is the formula to find Pumping Rate from Distance Drawdown Graphs?
The formula of Pumping Rate from Distance Drawdown Graphs is expressed as Pumping Rate = Transmissivity*2*pi*Drawdown Across Log Cycle/2.3. Here is an example- 7.001654 = 11*2*pi*0.233/2.3.
How to calculate Pumping Rate from Distance Drawdown Graphs?
With Transmissivity (T) & Drawdown Across Log Cycle (ΔsD) we can find Pumping Rate from Distance Drawdown Graphs using the formula - Pumping Rate = Transmissivity*2*pi*Drawdown Across Log Cycle/2.3. This formula also uses Archimedes' constant .
What are the other ways to Calculate Pumping Rate?
Here are the different ways to Calculate Pumping Rate-
  • Pumping Rate=Transmissivity*Drawdown Across One Log Cycle/70OpenImg
Can the Pumping Rate from Distance Drawdown Graphs be negative?
Yes, the Pumping Rate from Distance Drawdown Graphs, measured in Volumetric Flow Rate can be negative.
Which unit is used to measure Pumping Rate from Distance Drawdown Graphs?
Pumping Rate from Distance Drawdown Graphs 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 Pumping Rate from Distance Drawdown Graphs can be measured.
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