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Discharge from an open well refers to the rate of flow of water percolating through the well, typically measured in cubic meters per second (m³/s). It represents the volume of water flowing through a cross-section per unit time.
The calculator uses the fundamental discharge formula:
Where:
Explanation: The discharge is calculated by multiplying the cross-sectional area through which water flows by the mean velocity of the water percolating.
Details: Accurate discharge calculation is crucial for water resource management, well design, groundwater studies, and determining the yield capacity of open wells for various applications.
Tips: Enter cross-sectional area in square meters (m²) and mean velocity in meters per second (m/s). Both values must be positive numbers greater than zero.
Q1: What is cross-sectional area in this context?
A: Cross-sectional area refers to the area perpendicular to the direction of water flow through which the water is percolating in the open well.
Q2: How is mean velocity measured in open wells?
A: Mean velocity can be measured using various methods including flow meters, tracer tests, or calculated based on hydraulic conductivity and hydraulic gradient.
Q3: What are typical discharge values for open wells?
A: Discharge values vary significantly based on well size, aquifer characteristics, and hydrological conditions, ranging from small fractions to several cubic meters per second.
Q4: Are there limitations to this calculation method?
A: This method assumes uniform flow conditions and may not account for variations in velocity across the cross-section or turbulent flow conditions.
Q5: Can this formula be used for other fluid flow calculations?
A: Yes, the fundamental discharge formula Q = A × V applies to various fluid flow scenarios beyond open wells, including pipes, channels, and other conduits.