Drawdown across One Log Cycle given First Estimate of Pumping Rate Calculator

✖The First Estimate of the Pumping Rate refers to the preliminary calculation used to determine the amount of water that can be pumped from a well.ⓘ First Estimate of the Pumping Rate [Q_e]			+10% -10%
✖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.ⓘ Transmissivity [T]			+10% -10%

✖The Drawdown Across One Log Cycle is referred as change in water level (or hydraulic head) in an aquifer due to pumping from a well.ⓘ Drawdown across One Log Cycle given First Estimate of Pumping Rate [Δs]

⎘ Copy

👎

Formula

LaTeX

Reset

👍

Download Well Parameters Formulas PDF PDF Image

Drawdown across One Log Cycle given First Estimate of Pumping Rate Solution

STEP 0: Pre-Calculation Summary

Formula Used

Drawdown Across One Log Cycle = First Estimate of the Pumping Rate/(2.7*Transmissivity)
Δs = Q_e/(2.7*T)
This formula uses 3 Variables

Variables Used

Drawdown Across One Log Cycle - The Drawdown Across One Log Cycle is referred as change in water level (or hydraulic head) in an aquifer due to pumping from a well.
First Estimate of the Pumping Rate - (Measured in Cubic Meter per Second) - The First Estimate of the Pumping Rate refers to the preliminary calculation used to determine the amount of water that can be pumped from a well.
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.

STEP 1: Convert Input(s) to Base Unit

First Estimate of the Pumping Rate: 1323 Cubic Meter per Second --> 1323 Cubic Meter per Second No Conversion Required
Transmissivity: 11 Square Meter per Second --> 11 Square Meter per Second No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

Δs = Q_e/(2.7*T) --> 1323/(2.7*11)

Evaluating ... ...

Δs = 44.5454545454545

STEP 3: Convert Result to Output's Unit

44.5454545454545 --> No Conversion Required

FINAL ANSWER

44.5454545454545 ≈ 44.54545 <-- Drawdown Across One Log Cycle

(Calculation completed in 00.004 seconds)

You are here -

Home » Engineering » Civil » Engineering Hydrology » Groundwater Hydrology » Well Parameters » Well Field Design » Drawdown across One Log Cycle given First Estimate of Pumping Rate

Credits

Created by Mithila Muthamma PA

Coorg Institute of Technology (CIT), Coorg

Mithila Muthamma PA has created this Calculator and 2000+ more calculators!

Verified by Chandana P Dev

NSS College of Engineering (NSSCE), Palakkad

Chandana P Dev has verified this Calculator and 1700+ more calculators!

< Well Field Design Calculators

Distance from Pumping Well

LaTeX Go Distance from Pumping Well to Point Intersection = sqrt(2.25*Transmissivity*Time/Storage Coefficient (Well-Field Design))

Storage Coefficient given Distance from Pumping Well

LaTeX Go Storage Coefficient (Well-Field Design) = (2.25*Transmissivity*Time)/(Distance from Pumping Well to Point Intersection^2)

Transmissivity given Distance from Pumping Well

LaTeX Go Transmissivity = Distance from Pumping Well to Point Intersection^2*Storage Coefficient (Well-Field Design)/(2.25*Time)

First Estimate of Pumping Rate

LaTeX Go First Estimate of the Pumping Rate = 2.7*Transmissivity*Drawdown Across One Log Cycle

Drawdown across One Log Cycle given First Estimate of Pumping Rate Formula

LaTeX Go

Drawdown Across One Log Cycle = First Estimate of the Pumping Rate/(2.7*Transmissivity)
Δs = Q_e/(2.7*T)

What is Drawdown?

Drawdown is a change in groundwater level due to an applied stress, caused by events such as: Pumping from a well. Pumping from a neighboring well. Intensive water taking from local area. Seasonal declines as recharge rates lower

How to Calculate Drawdown across One Log Cycle given First Estimate of Pumping Rate?

Drawdown across One Log Cycle given First Estimate of Pumping Rate calculator uses Drawdown Across One Log Cycle = First Estimate of the Pumping Rate/(2.7*Transmissivity) to calculate the Drawdown Across One Log Cycle, The Drawdown across One Log Cycle given First Estimate of Pumping Rate formula is defined as 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. Drawdown Across One Log Cycle is denoted by Δs symbol.

How to calculate Drawdown across One Log Cycle given First Estimate of Pumping Rate using this online calculator? To use this online calculator for Drawdown across One Log Cycle given First Estimate of Pumping Rate, enter First Estimate of the Pumping Rate (Q_e) & Transmissivity (T) and hit the calculate button. Here is how the Drawdown across One Log Cycle given First Estimate of Pumping Rate calculation can be explained with given input values -> 44.54545 = 1323/(2.7*11).

FAQ

What is Drawdown across One Log Cycle given First Estimate of Pumping Rate?

The Drawdown across One Log Cycle given First Estimate of Pumping Rate formula is defined as 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 and is represented as Δs = Q_e/(2.7*T) or Drawdown Across One Log Cycle = First Estimate of the Pumping Rate/(2.7*Transmissivity). The First Estimate of the Pumping Rate refers to the preliminary calculation used to determine the amount of water that can be pumped from a well & 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.

How to calculate Drawdown across One Log Cycle given First Estimate of Pumping Rate?

The Drawdown across One Log Cycle given First Estimate of Pumping Rate formula is defined as 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 is calculated using Drawdown Across One Log Cycle = First Estimate of the Pumping Rate/(2.7*Transmissivity). To calculate Drawdown across One Log Cycle given First Estimate of Pumping Rate, you need First Estimate of the Pumping Rate (Q_e) & Transmissivity (T). With our tool, you need to enter the respective value for First Estimate of the Pumping Rate & Transmissivity and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

Home

FREE PDFs

🔍 Search