Equation for drawdown across one log cycle Calculator

✖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).ⓘ Pumping Rate [q]			+10% -10%
✖The Transmissivity refers to the measure of how much water can be transmitted horizontally through an aquifer is the product of the hydraulic conductivity of the aquifer and its saturated thickness.ⓘ Transmissivity [τ]			+10% -10%

✖The Drawdown Across Log Cycle is referred as change in water level (or hydraulic head) in an aquifer due to pumping from a well.ⓘ Equation for drawdown across one log cycle [Δs_D]

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Equation for drawdown across one log cycle Solution

STEP 0: Pre-Calculation Summary

Formula Used

Drawdown Across Log Cycle = (2.3*Pumping Rate)/(Transmissivity*4*pi)
Δs_D = (2.3*q)/(τ*4*pi)
This formula uses 1 Constants, 3 Variables

Constants Used

pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288

Variables Used

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.
Pumping Rate - (Measured in Cubic Meter per Second) - 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).
Transmissivity - (Measured in Square Meter per Second) - The Transmissivity refers to the measure of how much water can be transmitted horizontally through an aquifer is the product of the hydraulic conductivity of the aquifer and its saturated thickness.

STEP 1: Convert Input(s) to Base Unit

Pumping Rate: 7 Cubic Meter per Second --> 7 Cubic Meter per Second No Conversion Required
Transmissivity: 1.4 Square Meter per Second --> 1.4 Square Meter per Second No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

Δs_D = (2.3*q)/(τ*4*pi) --> (2.3*7)/(1.4*4*pi)

Evaluating ... ...

Δs_D = 0.915140922778398

STEP 3: Convert Result to Output's Unit

0.915140922778398 --> No Conversion Required

FINAL ANSWER

0.915140922778398 ≈ 0.915141 <-- Drawdown Across Log Cycle

(Calculation completed in 00.004 seconds)

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< Time Drawdown Analysis Calculators

Time at which Steady Shape Conditions Develop

LaTeX Go Time at Which Steady-shape Conditions Develop = (7200*Distance from Pumping Well^2*Storage Coefficient)/Transmissivity

Storage Coefficient given time at which Steady Shape conditions develops

LaTeX Go Storage Coefficient = Transmissivity*Time at Which Steady-shape Conditions Develop/7200*Distance from Pumping Well^2

Transmissivity derived from time drawdown graphs

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

Equation for pumping rate of transmissivity from time drawdown graphs

LaTeX Go Pumping Rate = (Transmissivity*4*pi*Drawdown Across Log Cycle)/2.3

Equation for drawdown across one log cycle Formula

LaTeX Go

Drawdown Across Log Cycle = (2.3*Pumping Rate)/(Transmissivity*4*pi)
Δs_D = (2.3*q)/(τ*4*pi)

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?

Equation for drawdown across one log cycle calculator uses Drawdown Across Log Cycle = (2.3*Pumping Rate)/(Transmissivity*4*pi) to calculate the Drawdown Across Log Cycle, The 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 Log Cycle is denoted by Δs_D symbol.

How to calculate Equation for drawdown across one log cycle using this online calculator? To use this online calculator for Equation for drawdown across one log cycle, enter Pumping Rate (q) & Transmissivity (τ) and hit the calculate button. Here is how the Equation for drawdown across one log cycle calculation can be explained with given input values -> 0.915141 = (2.3*7)/(1.4*4*pi).

FAQ

What is Equation for drawdown across one log cycle?

The 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_D = (2.3*q)/(τ*4*pi) or Drawdown Across Log Cycle = (2.3*Pumping Rate)/(Transmissivity*4*pi). 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) & The Transmissivity refers to the measure of how much water can be transmitted horizontally through an aquifer is the product of the hydraulic conductivity of the aquifer and its saturated thickness.

How to calculate Equation for drawdown across one log cycle?

The 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 Log Cycle = (2.3*Pumping Rate)/(Transmissivity*4*pi). To calculate Equation for drawdown across one log cycle, you need Pumping Rate (q) & Transmissivity (τ). With our tool, you need to enter the respective value for Pumping Rate & Transmissivity 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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