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The Width of Parshall Flume given Depth formula calculates the specific internal width at the throat section of a Parshall flume based on flow depth, discharge coefficient, and integration constant. This calculation is essential for proper flume design and flow measurement accuracy in open channel systems.
The calculator uses the formula:
Where:
Explanation: The formula relates the flume width to flow depth through exponential relationship determined by the discharge coefficient, normalized by the integration constant.
Details: Accurate width calculation is crucial for proper Parshall flume design, ensuring accurate flow measurement, preventing measurement errors, and maintaining optimal hydraulic performance in open channel flow systems.
Tips: Enter depth in meters, discharge coefficient (dimensionless), and integration constant (dimensionless). All values must be positive numbers greater than zero for valid calculation.
Q1: What is a Parshall flume?
A: A Parshall flume is a fixed hydraulic structure used to measure flow rate in open channels, consisting of a converging section, throat, and diverging section.
Q2: How is the discharge coefficient determined?
A: The discharge coefficient is typically determined through calibration and depends on the specific flume geometry and flow conditions.
Q3: What are typical values for integration constant?
A: Integration constant values vary based on flume size and design specifications, typically ranging from specific calibrated values for different flume configurations.
Q4: Why is throat width important in Parshall flumes?
A: The throat width determines the relationship between flow depth and discharge rate, making it critical for accurate flow measurement.
Q5: Can this formula be used for all Parshall flume sizes?
A: The formula applies to standard Parshall flume designs, but specific coefficients and constants may vary for different flume sizes and configurations.