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Change in Drawdown given Chow's Function Formula

GoChange in Drawdown given Formation Constant T Formula

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

Δd = \frac{s t}{F u}

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

Change in Drawdown given Chow's Function Example

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

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

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

0.2167 = \frac{0.83}{3.83}

0.2167m = \frac{0.83m}{3.83}

0.2167 = \frac{0.83}{3.83}

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Change in Drawdown given Chow's Function Solution

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

FIRST Step Consider the formula

Δd = \frac{s t}{F u}

Next Step Substitute values of Variables

∴

Δd = \frac{0.83m}{3.83}

Next Step Prepare to Evaluate

∴

Δd = \frac{0.83}{3.83}

Next Step Evaluate

∴

Δd = 0.216710182767624m

LAST Step Rounding Answer

∴

Δd = 0.2167m

Change in Drawdown given Chow's Function Formula Elements

Variables

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

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

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

Other Formulas to find Change in Drawdown

Go Change in Drawdown given Formation Constant T

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

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 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 Chow's Function given Drawdown

F u = \frac{s t}{Δd}

Go Drawdown given Chow's Function

s t = F u \cdot Δd

How to Evaluate Change in Drawdown given Chow's Function?

Change in Drawdown given Chow's Function evaluator uses Change in Drawdown = Total Drawdown in Well/Chow's Function to evaluate the Change in Drawdown, Change in Drawdown given Chow's Function formula is defined as a measure of the alteration in the drawdown of the water table or piezometric surface in an unconfined aquifer during unsteady flow conditions, providing valuable insights into the dynamic behavior of groundwater systems. Change in Drawdown is denoted by Δd symbol.

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

FAQs on Change in Drawdown given Chow's Function

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

The formula of Change in Drawdown given Chow's Function is expressed as Change in Drawdown = Total Drawdown in Well/Chow's Function. Here is an example- 0.21671 = 0.83/3.83.

How to calculate Change in Drawdown given Chow's Function?

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

What are the other ways to Calculate Change in Drawdown?

Here are the different ways to Calculate Change in Drawdown-

Change in Drawdown=(2.303*Discharge)/(4*pi*Formation Constant for Unsteady Flow)

Can the Change in Drawdown given Chow's Function be negative?

No, the Change in Drawdown given Chow's Function, measured in Length cannot be negative.

Which unit is used to measure Change in Drawdown given Chow's Function?

Change in Drawdown given Chow's Function is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Change in Drawdown given Chow's Function can be measured.

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