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Well Parameter Formula

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Well Parameter is the characteristics and property that govern how water levels in a well change over time when water is being pumped. Check FAQs

u = \frac{r^{2} \cdot S}{4 \cdot T \cdot t}

u - Well Parameter?r - Distance from Pumping Well?S - Storage Coefficient?T - Transmissivity?t - Time Period?

Well Parameter Example

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Here is how the Well Parameter equation looks like with Values.

Here is how the Well Parameter equation looks like with Units.

Here is how the Well Parameter equation looks like.

0.1337 = \frac{3^{2} \cdot 85}{4 \cdot 11 \cdot 130}

0.1337 = \frac{{3m}^{2} \cdot 85}{4 \cdot 11m²/s \cdot 130s}

0.1337 = \frac{3^{2} \cdot 85}{4 \cdot 11 \cdot 130}

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Well Parameter Solution

Follow our step by step solution on how to calculate Well Parameter?

FIRST Step Consider the formula

u = \frac{r^{2} \cdot S}{4 \cdot T \cdot t}

Next Step Substitute values of Variables

∴

u = \frac{{3m}^{2} \cdot 85}{4 \cdot 11m²/s \cdot 130s}

Next Step Prepare to Evaluate

∴

u = \frac{3^{2} \cdot 85}{4 \cdot 11 \cdot 130}

Next Step Evaluate

∴

u = 0.133741258741259

LAST Step Rounding Answer

∴

u = 0.1337

Well Parameter Formula Elements

Variables

Well Parameter

Well Parameter is the characteristics and property that govern how water levels in a well change over time when water is being pumped.

Symbol: u

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Well Parameter

Distance from Pumping Well

Distance from Pumping Well is the horizontal distance between a specific point in an aquifer and the location of a pumping well. It influences the behavior of groundwater flow.

Symbol: r

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Distance from Pumping Well

Storage Coefficient

Storage Coefficient is the volume of water released from storage per unit decline in hydraulic head in the aquifer, per unit area of the aquifer.

Symbol: S

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Storage Coefficient

Transmissivity

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.

Symbol: T

Measurement: Kinematic ViscosityUnit: m²/s

Note: Value can be positive or negative.

Formulas to find Transmissivity

Time Period

Time Period is the duration over which groundwater observations, measurements, or modeling simulations are conducted. It can vary from short-term periods to long-term periods.

Symbol: t

Measurement: TimeUnit: s

Note: Value can be positive or negative.

Formulas to find Time Period

Other formulas in Unsteady Flow in a Confined Aquifer category

Go Drawdown

s t = (\frac{Q}{4 \cdot π \cdot T}) \cdot \ln (\frac{2.2 \cdot T \cdot t}{r^{2} \cdot S})

Go Drawdown at Time Interval 't1'

s 1 = s 2 - ((\frac{Q}{4 \cdot π \cdot T}) \cdot \ln (\frac{t 2}{t 1}))

Go Drawdown at Time Interval 't2'

s 2 = ((\frac{Q}{4 \cdot π \cdot T}) \cdot \ln (\frac{t 2}{t 1})) + s 1

Go Equation for Storage Coefficient

S = 2.25 \cdot T \cdot \frac{t 0}{r^{2}}

How to Evaluate Well Parameter?

Well Parameter evaluator uses Well Parameter = (Distance from Pumping Well^2*Storage Coefficient)/(4*Transmissivity*Time Period) to evaluate the Well Parameter, The Well Parameter formula is defined as an essential property of the well function represented by a number of series to significant digits, rarely exceeding 4. Well Parameter is denoted by u symbol.

How to evaluate Well Parameter using this online evaluator? To use this online evaluator for Well Parameter, enter Distance from Pumping Well (r), Storage Coefficient (S), Transmissivity (T) & Time Period (t) and hit the calculate button.

FAQs on Well Parameter

What is the formula to find Well Parameter?

The formula of Well Parameter is expressed as Well Parameter = (Distance from Pumping Well^2*Storage Coefficient)/(4*Transmissivity*Time Period). Here is an example- 0.133741 = (3^2*85)/(4*11*130).

How to calculate Well Parameter?

With Distance from Pumping Well (r), Storage Coefficient (S), Transmissivity (T) & Time Period (t) we can find Well Parameter using the formula - Well Parameter = (Distance from Pumping Well^2*Storage Coefficient)/(4*Transmissivity*Time Period).

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Well Parameter Formula

Well Parameter Example

Well Parameter Solution

Well Parameter Formula Elements

Other formulas in Unsteady Flow in a Confined Aquifer category

How to Evaluate Well Parameter?

FAQs on Well Parameter

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