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Chow's Function given Drawdown Formula

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Chow's Function is a constant given by chow. Check FAQs

F u = \frac{s t}{Δd}

F_u - Chow's Function?s_t - Total Drawdown in Well?Δd - Change in Drawdown?

Chow's Function given Drawdown Example

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Here is how the Chow's Function given Drawdown equation looks like with Values.

Here is how the Chow's Function given Drawdown equation looks like with Units.

Here is how the Chow's Function given Drawdown equation looks like.

3.6087 = \frac{0.83}{0.23}

3.6087 = \frac{0.83m}{0.23m}

3.6087 = \frac{0.83}{0.23}

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Chow's Function given Drawdown Solution

Follow our step by step solution on how to calculate Chow's Function given Drawdown?

FIRST Step Consider the formula

F u = \frac{s t}{Δd}

Next Step Substitute values of Variables

∴

F u = \frac{0.83m}{0.23m}

Next Step Prepare to Evaluate

∴

F u = \frac{0.83}{0.23}

Next Step Evaluate

∴

F u = 3.60869565217391

LAST Step Rounding Answer

∴

F u = 3.6087

Chow's Function given Drawdown Formula Elements

Variables

Chow's Function

Chow's Function is a constant given by chow.

Symbol: F_u

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Chow's Function

Total Drawdown in Well

Total Drawdown in Well 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.

Symbol: s_t

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Total Drawdown in Well

Change in Drawdown

Change in Drawdown is defined as the difference at the two wells.

Symbol: Δd

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Change in Drawdown

Other formulas in Drawdown and Change in Drawdown category

Go Drawdown given Well Function

s t = \frac{Q \cdot W u}{4 \cdot π \cdot F c}

Go Change in Drawdown given Formation Constant T

Δd = \frac{2.303 \cdot Q}{4 \cdot π \cdot F c}

Go Change in Drawdown given Time at 1st and 2nd Instance

Δs = \frac{2.303 \cdot Q \cdot \log ((\frac{t2}{t 1}), 10)}{4 \cdot π \cdot t hr}

Go Drawdown given Chow's Function

s t = F u \cdot Δd

How to Evaluate Chow's Function given Drawdown?

Chow's Function given Drawdown evaluator uses Chow's Function = Total Drawdown in Well/Change in Drawdown to evaluate the Chow's Function, Chow's Function given Drawdown formula is defined as a dimensionless quantity used in unsteady flow analysis to describe the relationship between the storage coefficient and the drawdown of the water table in a confined aquifer during pumping. Chow's Function is denoted by F_u symbol.

How to evaluate Chow's Function given Drawdown using this online evaluator? To use this online evaluator for Chow's Function given Drawdown, enter Total Drawdown in Well (s_t) & Change in Drawdown (Δd) and hit the calculate button.

FAQs on Chow's Function given Drawdown

What is the formula to find Chow's Function given Drawdown?

The formula of Chow's Function given Drawdown is expressed as Chow's Function = Total Drawdown in Well/Change in Drawdown. Here is an example- 3.608696 = 0.83/0.23.

How to calculate Chow's Function given Drawdown?

With Total Drawdown in Well (s_t) & Change in Drawdown (Δd) we can find Chow's Function given Drawdown using the formula - Chow's Function = Total Drawdown in Well/Change in Drawdown.

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