Specific Capacity of Open Well Calculator

✖Time refers to the ongoing and continuous sequence of events that occur in succession, from the past through the present to the future.ⓘ Time [t]			+10% -10%
✖Depression Head is the difference of level of waters table and the water level in the well when pumping stopped.ⓘ Depression Head [h_d]			+10% -10%
✖Depression Head in Well 2 is depression head in the well at a time T after the pumping stopped.ⓘ Depression Head in Well 2 [h_w2]			+10% -10%

✖Specific Capacity is capacity of an open well.ⓘ Specific Capacity of Open Well [K_a]

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Specific Capacity of Open Well Solution

STEP 0: Pre-Calculation Summary

Formula Used

Specific Capacity = (1/Time)*log((Depression Head/Depression Head in Well 2),e)
K_a = (1/t)*log((h_d/h_w2),e)
This formula uses 1 Constants, 1 Functions, 4 Variables

Constants Used

e - Napier's constant Value Taken As 2.71828182845904523536028747135266249

Functions Used

log - Logarithmic function is an inverse function to exponentiation., log(Base, Number)

Variables Used

Specific Capacity - (Measured in Meter per Second) - Specific Capacity is capacity of an open well.
Time - (Measured in Second) - Time refers to the ongoing and continuous sequence of events that occur in succession, from the past through the present to the future.
Depression Head - (Measured in Meter) - Depression Head is the difference of level of waters table and the water level in the well when pumping stopped.
Depression Head in Well 2 - (Measured in Meter) - Depression Head in Well 2 is depression head in the well at a time T after the pumping stopped.

STEP 1: Convert Input(s) to Base Unit

Time: 4 Hour --> 14400 Second (Check conversion here)
Depression Head: 27 Meter --> 27 Meter No Conversion Required
Depression Head in Well 2: 10 Meter --> 10 Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

K_a = (1/t)*log((h_d/h_w2),e) --> (1/14400)*log((27/10),e)

Evaluating ... ...

K_a = 6.99162552048376E-05

STEP 3: Convert Result to Output's Unit

6.99162552048376E-05 Meter per Second -->0.251698518737415 Meter per Hour (Check conversion here)

FINAL ANSWER

0.251698518737415 ≈ 0.251699 Meter per Hour <-- Specific Capacity

(Calculation completed in 00.004 seconds)

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Created by Suraj Kumar

Birsa Institute of Technology (BIT), Sindri

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< Specific Capacity Calculators

Specific Capacity of Open Well

LaTeX Go Specific Capacity = (1/Time)*log((Depression Head/Depression Head in Well 2),e)

Specific Capacity of Open Well with Base 10

LaTeX Go Specific Capacity = (2.303/Time)*log((Depression Head/Depression Head in Well 2),10)

Specific Capacity given Discharge from Well

LaTeX Go Specific Capacity in SI unit = Discharge in Well/(Cross-Sectional Area of Well*Constant Depression Head)

Specific Capacity of Open Well given Constant Depending upon Soil at Base

LaTeX Go Specific Capacity = Constant Dependent on Base Soil/Cross-Sectional Area of Well

Specific Capacity of Open Well Formula

LaTeX Go

Specific Capacity = (1/Time)*log((Depression Head/Depression Head in Well 2),e)
K_a = (1/t)*log((h_d/h_w2),e)

What is Specific Capacity?

Specific Capacity refers to the efficiency of a well in producing water. It is a measure of how much water (in volume) a well can yield per unit of drawdown (or drop in water level) over a specific period of time. The specific capacity is typically expressed in units such as gallons per minute per foot (gpm/ft) or liters per second per meter (L/s/m).

How to Calculate Specific Capacity of Open Well?

Specific Capacity of Open Well calculator uses Specific Capacity = (1/Time)*log((Depression Head/Depression Head in Well 2),e) to calculate the Specific Capacity, The Specific Capacity of Open Well formula is defined as the calculation of value of specific capacity of open well when we have prior information of other parameters used. Specific Capacity is denoted by K_a symbol.

How to calculate Specific Capacity of Open Well using this online calculator? To use this online calculator for Specific Capacity of Open Well, enter Time (t), Depression Head (h_d) & Depression Head in Well 2 (h_w2) and hit the calculate button. Here is how the Specific Capacity of Open Well calculation can be explained with given input values -> 906.1147 = (1/14400)*log((27/10),e).

FAQ

What is Specific Capacity of Open Well?

The Specific Capacity of Open Well formula is defined as the calculation of value of specific capacity of open well when we have prior information of other parameters used and is represented as K_a = (1/t)*log((h_d/h_w2),e) or Specific Capacity = (1/Time)*log((Depression Head/Depression Head in Well 2),e). Time refers to the ongoing and continuous sequence of events that occur in succession, from the past through the present to the future, Depression Head is the difference of level of waters table and the water level in the well when pumping stopped & Depression Head in Well 2 is depression head in the well at a time T after the pumping stopped.

How to calculate Specific Capacity of Open Well?

The Specific Capacity of Open Well formula is defined as the calculation of value of specific capacity of open well when we have prior information of other parameters used is calculated using Specific Capacity = (1/Time)*log((Depression Head/Depression Head in Well 2),e). To calculate Specific Capacity of Open Well, you need Time (t), Depression Head (h_d) & Depression Head in Well 2 (h_w2). With our tool, you need to enter the respective value for Time, Depression Head & Depression Head in Well 2 and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Specific Capacity?

In this formula, Specific Capacity uses Time, Depression Head & Depression Head in Well 2. We can use 2 other way(s) to calculate the same, which is/are as follows -

Specific Capacity = Constant Dependent on Base Soil/Cross-Sectional Area of Well
Specific Capacity = (2.303/Time)*log((Depression Head/Depression Head in Well 2),10)

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