Discharge from Open Well under Depression Head Solution

STEP 0: Pre-Calculation Summary
Formula Used
Yield from an open well = Specific Capacity*Area of the Well*Depression Head
QY = Ks*A*H
This formula uses 4 Variables
Variables Used
Yield from an open well - (Measured in Cubic Meter per Second) - Yield from an open well is the flow discharge into well under a depression head H.
Specific Capacity - Specific Capacity is the amount of water furnished under a standard unit head.
Area of the Well - (Measured in Square Meter) - Area of the Well is denoted by A symbol.
Depression Head - (Measured in Meter) - Depression Head is the height of the bottom of a well above the datum.
STEP 1: Convert Input(s) to Base Unit
Specific Capacity: 0.75 --> No Conversion Required
Area of the Well: 20 Square Meter --> 20 Square Meter No Conversion Required
Depression Head: 7 Meter --> 7 Meter No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
QY = Ks*A*H --> 0.75*20*7
Evaluating ... ...
QY = 105
STEP 3: Convert Result to Output's Unit
105 Cubic Meter per Second --> No Conversion Required
FINAL ANSWER
105 Cubic Meter per Second <-- Yield from an open well
(Calculation completed in 00.004 seconds)

Credits

Created by Mithila Muthamma PA
Coorg Institute of Technology (CIT), Coorg
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9 Recuperation Test Calculators

Proportionality constant per unit well area of aquifer
Go Proportionality Constant = Area of the Well*((1/Time Interval)*ln(Drawdown at the Start of Recuperation/Drawdown at a Time))
Equation for Time Interval
Go Time Interval = (Area of the Well/Proportionality Constant)*ln(Drawdown at the Start of Recuperation/Drawdown at a Time)
Area of well given time interval
Go Area of the Well = Proportionality Constant*Time Interval/ln(Drawdown at the Start of Recuperation/Drawdown at a Time)
Depression Head when Discharge from Open Well is Considered
Go Depression Head = Yield from an open well/(Specific Capacity*Area of the Well)
Area of well when discharged from open well is considered
Go Area of the Well = Yield from an open well/(Specific Capacity*Depression Head)
Discharge from Open Well under Depression Head
Go Yield from an open well = Specific Capacity*Area of the Well*Depression Head
Specific Capacity per unit Well Area for Discharge from Open Well
Go Specific Capacity = Flow Discharge/(Area of the Well*Depression Head)
Proportionality constant given specific capacity per unit well area of aquifer
Go Proportionality Constant = Area of the Well*Specific Capacity
Area of well given specific capacity per unit well area of aquifer
Go Area of the Well = Proportionality Constant/Specific Capacity

Discharge from Open Well under Depression Head Formula

Yield from an open well = Specific Capacity*Area of the Well*Depression Head
QY = Ks*A*H

What is Cone of Depression?

A Cone of Depression occurs in an aquifer when groundwater is pumped from a well. In an unconfined aquifer (water table), this is an actual depression of the water levels. In confined aquifers (artesian), the cone of depression is a reduction in the pressure head surrounding the pumped well.

How to Calculate Discharge from Open Well under Depression Head?

Discharge from Open Well under Depression Head calculator uses Yield from an open well = Specific Capacity*Area of the Well*Depression Head to calculate the Yield from an open well, The Discharge from Open Well under Depression Head is defined as the volumetric flow rate of water that is transported through a given cross-sectional area. Yield from an open well is denoted by QY symbol.

How to calculate Discharge from Open Well under Depression Head using this online calculator? To use this online calculator for Discharge from Open Well under Depression Head, enter Specific Capacity (Ks), Area of the Well (A) & Depression Head (H) and hit the calculate button. Here is how the Discharge from Open Well under Depression Head calculation can be explained with given input values -> 105 = 0.75*20*7.

FAQ

What is Discharge from Open Well under Depression Head?
The Discharge from Open Well under Depression Head is defined as the volumetric flow rate of water that is transported through a given cross-sectional area and is represented as QY = Ks*A*H or Yield from an open well = Specific Capacity*Area of the Well*Depression Head. Specific Capacity is the amount of water furnished under a standard unit head, Area of the Well is denoted by A symbol & Depression Head is the height of the bottom of a well above the datum.
How to calculate Discharge from Open Well under Depression Head?
The Discharge from Open Well under Depression Head is defined as the volumetric flow rate of water that is transported through a given cross-sectional area is calculated using Yield from an open well = Specific Capacity*Area of the Well*Depression Head. To calculate Discharge from Open Well under Depression Head, you need Specific Capacity (Ks), Area of the Well (A) & Depression Head (H). With our tool, you need to enter the respective value for Specific Capacity, Area of the Well & Depression Head and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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