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Settling Velocity Formula:
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Settling Velocity is defined as the terminal velocity of a particle in still fluid. It represents the constant speed that a particle achieves when the gravitational force pulling it downward is balanced by the drag force and buoyancy acting upward.
The calculator uses the Settling Velocity formula:
Where:
Explanation: This formula calculates the settling velocity by dividing the discharge rate by the base surface area of the sedimentation tank or container.
Details: Accurate calculation of settling velocity is crucial for designing sedimentation tanks, wastewater treatment systems, and other fluid-solid separation processes. It helps determine the efficiency of particle removal and the required dimensions of settling basins.
Tips: Enter discharge in m³/s and base surface area in m². Both values must be positive numbers greater than zero for accurate calculation.
Q1: What factors affect settling velocity?
A: Settling velocity is affected by particle size, density, fluid viscosity, and gravitational acceleration.
Q2: How is this formula used in engineering applications?
A: This formula is commonly used in the design of sedimentation tanks, clarifiers, and other water treatment facilities to determine particle removal efficiency.
Q3: What are typical values for settling velocity?
A: Settling velocity values vary widely depending on particle characteristics, ranging from millimeters per second for fine particles to meters per second for larger particles.
Q4: Are there limitations to this calculation method?
A: This simplified approach assumes ideal conditions and may need adjustments for non-spherical particles, particle interactions, or turbulent flow conditions.
Q5: How does temperature affect settling velocity?
A: Temperature affects fluid viscosity and density, which in turn influence the settling velocity of particles in the fluid.