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The discharge through critical depth flume formula calculates the rate of flow of a liquid in open channels using the coefficient of discharge, width of throat, and depth of flow. This formula is particularly useful for measuring flow rates in flumes and weirs.
The calculator uses the formula:
Where:
Explanation: The formula calculates the volumetric flow rate through a flume based on the geometric properties and flow characteristics.
Details: Accurate discharge calculation is crucial for water resource management, irrigation system design, flood control, and hydraulic engineering projects.
Tips: Enter the coefficient of discharge, width of throat, and depth of flow. All values must be positive numbers. The calculator will compute the discharge in cubic meters per second.
Q1: What is the typical range for coefficient of discharge?
A: The coefficient of discharge typically ranges from 0.6 to 0.9 for most flume designs, depending on the specific geometry and flow conditions.
Q2: How is width of throat measured?
A: Width of throat is the narrowest cross-sectional width of the flume where critical flow occurs, measured in meters.
Q3: What factors affect the depth of flow measurement?
A: Depth of flow is affected by channel slope, roughness, upstream conditions, and should be measured at the appropriate location in the flume.
Q4: When is this formula most applicable?
A: This formula is most applicable for critical depth flumes where the flow passes through critical depth, ensuring accurate discharge measurements.
Q5: Are there limitations to this equation?
A: The formula assumes ideal flow conditions and may require calibration for specific flume designs and varying flow regimes.