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Formation Constant given Drawdown Formula

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Formation Constant for Unsteady Flow is an equilibrium constant for the formation of a complex in solution. Check FAQs

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

F_c - Formation Constant for Unsteady Flow?Q - Discharge?W_u - Well Function of u?s_t - Total Drawdown in Well?π - Archimedes' constant?

Formation Constant given Drawdown Example

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Here is how the Formation Constant given Drawdown equation looks like with Values.

Here is how the Formation Constant given Drawdown equation looks like with Units.

Here is how the Formation Constant given Drawdown equation looks like.

0.8086 = \frac{1.01 \cdot 8.35}{4 \cdot 3.1416 \cdot 0.83}

0.8086m²/s = \frac{1.01m³/s \cdot 8.35}{4 \cdot 3.1416 \cdot 0.83m}

0.8086 = \frac{1.01 \cdot 8.35}{4 \cdot 3.1416 \cdot 0.83}

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Formation Constant given Drawdown Solution

Follow our step by step solution on how to calculate Formation Constant given Drawdown?

FIRST Step Consider the formula

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

Next Step Substitute values of Variables

∴

F c = \frac{1.01m³/s \cdot 8.35}{4 \cdot π \cdot 0.83m}

Next Step Substitute values of Constants

∴

F c = \frac{1.01m³/s \cdot 8.35}{4 \cdot 3.1416 \cdot 0.83m}

Next Step Prepare to Evaluate

∴

F c = \frac{1.01 \cdot 8.35}{4 \cdot 3.1416 \cdot 0.83}

Next Step Evaluate

∴

F c = 0.808574224437048m²/s

LAST Step Rounding Answer

∴

F c = 0.8086m²/s

Formation Constant given Drawdown Formula Elements

Variables

Constants

Formation Constant for Unsteady Flow

Formation Constant for Unsteady Flow is an equilibrium constant for the formation of a complex in solution.

Symbol: F_c

Measurement: Kinematic ViscosityUnit: m²/s

Note: Value should be greater than 0.

Formulas to find Formation Constant for Unsteady Flow

Discharge

Discharge is the rate of flow of a fluid in unsteady flow.

Symbol: Q

Measurement: Volumetric Flow RateUnit: m³/s

Note: Value can be positive or negative.

Formulas to find Discharge

Well Function of u

Well Function of u is the data plot of drawdown versus time (or drawdown versus t/rz) is matched to the type curve of W(u) versus 1/u.

Symbol: W_u

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Well Function of u

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

Archimedes' constant

Archimedes' constant is a mathematical constant that represents the ratio of the circumference of a circle to its diameter.

Symbol: π

Value: 3.14159265358979323846264338327950288

Other Formulas to find Formation Constant for Unsteady Flow

Go Formation Constant S

F c = \frac{4 \cdot u \cdot T \cdot t days}{{(d radial)}^{2}}

Other formulas in Formation Constant category

Go Formation Constant T given Formation Constant S

T = \frac{F c}{\frac{4 \cdot u \cdot t days}{{(d radial)}^{2}}}

Go Constant dependent on Well Function given Formation Constant S

u = \frac{F c}{\frac{4 \cdot T \cdot t days}{{(d radial)}^{2}}}

Go Formation Constant T given Change in Drawdown

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

Go Formation Constant S given Radial Distance

F cr = \frac{2.25 \cdot T \cdot t days}{{(d radial)}^{2}}

How to Evaluate Formation Constant given Drawdown?

Formation Constant given Drawdown evaluator uses Formation Constant for Unsteady Flow = (Discharge*Well Function of u)/(4*pi*Total Drawdown in Well) to evaluate the Formation Constant for Unsteady Flow, Formation Constant given Drawdown formula is defined as a measure of the aquifer's ability to transmit water under unsteady flow conditions, characterizing the relationship between pumping rate, well function, and storage coefficient in an unsteady flow system. Formation Constant for Unsteady Flow is denoted by F_c symbol.

How to evaluate Formation Constant given Drawdown using this online evaluator? To use this online evaluator for Formation Constant given Drawdown, enter Discharge (Q), Well Function of u (W_u) & Total Drawdown in Well (s_t) and hit the calculate button.

FAQs on Formation Constant given Drawdown

What is the formula to find Formation Constant given Drawdown?

The formula of Formation Constant given Drawdown is expressed as Formation Constant for Unsteady Flow = (Discharge*Well Function of u)/(4*pi*Total Drawdown in Well). Here is an example- 0.808574 = (1.01*8.35)/(4*pi*0.83).

How to calculate Formation Constant given Drawdown?

With Discharge (Q), Well Function of u (W_u) & Total Drawdown in Well (s_t) we can find Formation Constant given Drawdown using the formula - Formation Constant for Unsteady Flow = (Discharge*Well Function of u)/(4*pi*Total Drawdown in Well). This formula also uses Archimedes' constant .

What are the other ways to Calculate Formation Constant for Unsteady Flow?

Here are the different ways to Calculate Formation Constant for Unsteady Flow-

Formation Constant for Unsteady Flow=(4*Well Function Constant*Formation Constant T*Time in Days)/(Radial Distance)^2

Can the Formation Constant given Drawdown be negative?

No, the Formation Constant given Drawdown, measured in Kinematic Viscosity cannot be negative.

Which unit is used to measure Formation Constant given Drawdown?

Formation Constant given Drawdown is usually measured using the Square Meter per Second[m²/s] for Kinematic Viscosity. Square Meter per Hour[m²/s], Square Centimeter per Second[m²/s], Square Millimeter per Second[m²/s] are the few other units in which Formation Constant given Drawdown can be measured.

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Formation Constant given Drawdown Formula

​GoFormation Constant S Formula

Formation Constant given Drawdown Example

Formation Constant given Drawdown Solution

Formation Constant given Drawdown Formula Elements

Other Formulas to find Formation Constant for Unsteady Flow

Other formulas in Formation Constant category

How to Evaluate Formation Constant given Drawdown?

FAQs on Formation Constant given Drawdown

Variable Name

GoFormation Constant S Formula