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Formation Constant for Unsteady Flow is an equilibrium constant for the formation of a complex in solution. Check FAQs
Fc=4uTtdays(dradial)2
Fc - Formation Constant for Unsteady Flow?u - Well Function Constant?T - Formation Constant T?tdays - Time in Days?dradial - Radial Distance?

Formation Constant S Example

With values
With units
Only example

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

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

Here is how the Formation Constant S equation looks like.

0.8042Edit=40.057Edit0.0009Edit0.5Edit(3.32Edit)2
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Formation Constant S Solution

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

FIRST Step Consider the formula
Fc=4uTtdays(dradial)2
Next Step Substitute values of Variables
Fc=40.0570.0009m²/s0.5d(3.32m)2
Next Step Convert Units
Fc=40.0570.0009m²/s43200s(3.32m)2
Next Step Prepare to Evaluate
Fc=40.0570.000943200(3.32)2
Next Step Evaluate
Fc=0.804238641312237m²/s
LAST Step Rounding Answer
Fc=0.8042m²/s

Formation Constant S Formula Elements

Variables
Formation Constant for Unsteady Flow
Formation Constant for Unsteady Flow is an equilibrium constant for the formation of a complex in solution.
Symbol: Fc
Measurement: Kinematic ViscosityUnit: m²/s
Note: Value should be greater than 0.
Well Function Constant
Well Function Constant dependent on the value of well function.
Symbol: u
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Formation Constant T
Formation Constant T is an equilibrium constant for the formation of a complex in solution.
Symbol: T
Measurement: Kinematic ViscosityUnit: m²/s
Note: Value should be greater than 0.
Time in Days
Time in Days is the time calculated in days.
Symbol: tdays
Measurement: TimeUnit: d
Note: Value should be greater than 0.
Radial Distance
Radial Distance is defined as distance between whisker sensor's pivot point to whisker-object contact point.
Symbol: dradial
Measurement: LengthUnit: m
Note: Value should be greater than 0.

Other Formulas to find Formation Constant for Unsteady Flow

​Go Formation Constant given Drawdown
Fc=QWu4πst

Other formulas in Formation Constant category

​Go Formation Constant T given Formation Constant S
T=Fc4utdays(dradial)2
​Go Constant dependent on Well Function given Formation Constant S
u=Fc4Ttdays(dradial)2
​Go Formation Constant T given Change in Drawdown
FT=2.303Q4πΔd
​Go Formation Constant S given Radial Distance
Fcr=2.25Ttdays(dradial)2

How to Evaluate Formation Constant S?

Formation Constant S evaluator uses Formation Constant for Unsteady Flow = (4*Well Function Constant*Formation Constant T*Time in Days)/(Radial Distance)^2 to evaluate the Formation Constant for Unsteady Flow, Formation Constant S formula is defined as a measure of the unsteadiness of flow in a radial direction, characterizing the flow behavior in unsteady flow conditions, where the fluid flow changes with time, and is an essential parameter in understanding the dynamics of fluid motion. Formation Constant for Unsteady Flow is denoted by Fc symbol.

How to evaluate Formation Constant S using this online evaluator? To use this online evaluator for Formation Constant S, enter Well Function Constant (u), Formation Constant T (T), Time in Days (tdays) & Radial Distance (dradial) and hit the calculate button.

FAQs on Formation Constant S

What is the formula to find Formation Constant S?
The formula of Formation Constant S is expressed as Formation Constant for Unsteady Flow = (4*Well Function Constant*Formation Constant T*Time in Days)/(Radial Distance)^2. Here is an example- 0.723644 = (4*0.057*0.0009*43200)/(3.32)^2.
How to calculate Formation Constant S?
With Well Function Constant (u), Formation Constant T (T), Time in Days (tdays) & Radial Distance (dradial) we can find Formation Constant S using the formula - Formation Constant for Unsteady Flow = (4*Well Function Constant*Formation Constant T*Time in Days)/(Radial Distance)^2.
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=(Discharge*Well Function of u)/(4*pi*Total Drawdown in Well)OpenImg
Can the Formation Constant S be negative?
No, the Formation Constant S, measured in Kinematic Viscosity cannot be negative.
Which unit is used to measure Formation Constant S?
Formation Constant S 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 S can be measured.
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