Transmissivity from distance drawdown graphs Solution

STEP 0: Pre-Calculation Summary
Formula Used
Transmissivity = 2.3*Pumping Rate/(2*pi*Drawdown Across Log Cycle)
T = 2.3*Q/(2*pi*ΔsD)
This formula uses 1 Constants, 3 Variables
Constants Used
pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288
Variables Used
Transmissivity - (Measured in Square Meter per Second) - 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.
Pumping Rate - (Measured in Cubic Meter per Second) - Pumping Rate is the actual volumetric pumping rate.
Drawdown Across Log Cycle - Drawdown Across Log Cycle from Time-drawdown graphs.
STEP 1: Convert Input(s) to Base Unit
Pumping Rate: 7 Cubic Meter per Second --> 7 Cubic Meter per Second No Conversion Required
Drawdown Across Log Cycle: 0.233 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
T = 2.3*Q/(2*pi*ΔsD) --> 2.3*7/(2*pi*0.233)
Evaluating ... ...
T = 10.9974016471224
STEP 3: Convert Result to Output's Unit
10.9974016471224 Square Meter per Second --> No Conversion Required
FINAL ANSWER
10.9974016471224 10.9974 Square Meter per Second <-- Transmissivity
(Calculation completed in 00.004 seconds)

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10+ Distance-Drawdown Analysis Calculators

Transmissivity given storage coefficient from distance drawdown
Go Transmissivity = (Storage Coefficient*Distance from Pumping Well to Point Intersection^2)/(2.25*Total Drawdown)
Time at which drawdowns are measured for storage coefficient
Go Total Drawdown = Storage Coefficient*Distance from Pumping Well to Point Intersection^2/(2.25*Transmissivity)
Storage coefficient from distance drawdown graphs
Go Storage Coefficient = 2.25*Transmissivity*Total Drawdown/Distance from Pumping Well to Point Intersection^2
Storage coefficient for inconsistent units from distance drawdown graphs
Go Storage Coefficient = Transmissivity*Total Drawdown/640*Distance from Pumping Well to Point Intersection^2
Drawdown across one log cycle from distance drawdown graphs given transmissivity
Go Drawdown Across Log Cycle = 2.3*Pumping Rate/(Transmissivity*2*pi)
Transmissivity from distance drawdown graphs
Go Transmissivity = 2.3*Pumping Rate/(2*pi*Drawdown Across Log Cycle)
Pumping rate from distance drawdown graphs
Go Pumping Rate = Transmissivity*2*pi*Drawdown Across Log Cycle/2.3
Pumping Rate given Transmissivity for Inconsistent Units from Distance-Drawdown Graphs
Go Pumping Rate = Transmissivity*Drawdown Across One Log Cycle/70
Drawdown across One Log Cycle given Transmissivity for Inconsistent Units
Go Drawdown Across One Log Cycle = 70*Pumping Rate/Transmissivity
Transmissivity for inconsistent units from distance drawdown graphs
Go Transmissivity = 70*Pumping Rate/Drawdown Across One Log Cycle

Transmissivity from distance drawdown graphs Formula

Transmissivity = 2.3*Pumping Rate/(2*pi*Drawdown Across Log Cycle)
T = 2.3*Q/(2*pi*ΔsD)

What is Transmissivity?

Transmissivity the rate at which groundwater flows horizontally through an aquifer. Transmittance, the effectiveness of transmitting radiant energy though a volume.

How to Calculate Transmissivity from distance drawdown graphs?

Transmissivity from distance drawdown graphs calculator uses Transmissivity = 2.3*Pumping Rate/(2*pi*Drawdown Across Log Cycle) to calculate the Transmissivity, Transmissivity from distance drawdown graphs are used to estimate aquifer properties from pumping tests with more than one observation well. Transmissivity is denoted by T symbol.

How to calculate Transmissivity from distance drawdown graphs using this online calculator? To use this online calculator for Transmissivity from distance drawdown graphs, enter Pumping Rate (Q) & Drawdown Across Log Cycle (ΔsD) and hit the calculate button. Here is how the Transmissivity from distance drawdown graphs calculation can be explained with given input values -> 10.9974 = 2.3*7/(2*pi*0.233).

FAQ

What is Transmissivity from distance drawdown graphs?
Transmissivity from distance drawdown graphs are used to estimate aquifer properties from pumping tests with more than one observation well and is represented as T = 2.3*Q/(2*pi*ΔsD) or Transmissivity = 2.3*Pumping Rate/(2*pi*Drawdown Across Log Cycle). Pumping Rate is the actual volumetric pumping rate & Drawdown Across Log Cycle from Time-drawdown graphs.
How to calculate Transmissivity from distance drawdown graphs?
Transmissivity from distance drawdown graphs are used to estimate aquifer properties from pumping tests with more than one observation well is calculated using Transmissivity = 2.3*Pumping Rate/(2*pi*Drawdown Across Log Cycle). To calculate Transmissivity from distance drawdown graphs, you need Pumping Rate (Q) & Drawdown Across Log Cycle (ΔsD). With our tool, you need to enter the respective value for Pumping Rate & Drawdown Across Log Cycle 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 Transmissivity?
In this formula, Transmissivity uses Pumping Rate & Drawdown Across Log Cycle. We can use 2 other way(s) to calculate the same, which is/are as follows -
  • Transmissivity = (Storage Coefficient*Distance from Pumping Well to Point Intersection^2)/(2.25*Total Drawdown)
  • Transmissivity = 70*Pumping Rate/Drawdown Across One Log Cycle
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