Specific Gravity Of Particle Given Settling Velocity With Respect To Specific Gravity Calculator

Specific Gravity Formula:

\[ SG = \frac{3 \times C_D \times V_s^2}{4 \times [g] \times D} + 1 \]

Specific Gravity (SG):

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1. What is Specific Gravity of Particle?

Specific Gravity of Material is a dimensionless unit defined as the ratio of the density of the material to the density of water at a specified temperature. It provides important information about the relative density of particles in fluid environments.

2. How Does the Calculator Work?

The calculator uses the Specific Gravity formula:

\[ SG = \frac{3 \times C_D \times V_s^2}{4 \times [g] \times D} + 1 \]

Where:

\( C_D \) — Drag Coefficient (dimensionless)
\( V_s \) — Settling Velocity (m/s)
\( [g] \) — Gravitational acceleration (9.80665 m/s²)
\( D \) — Diameter of particle (m)

Explanation: This formula calculates the specific gravity of particles based on their settling behavior in a fluid, taking into account drag forces and gravitational effects.

3. Importance of Specific Gravity Calculation

Details: Calculating specific gravity is crucial for understanding particle behavior in fluid environments, designing separation processes, analyzing sedimentation rates, and optimizing various industrial applications involving particle-fluid interactions.

4. Using the Calculator

Tips: Enter drag coefficient (dimensionless), settling velocity in m/s, and diameter in meters. All values must be positive and valid for accurate calculation.

5. Frequently Asked Questions (FAQ)

Q1: What is the typical range for drag coefficient?
A: Drag coefficient values typically range from 0.1 to 2.0 for most particles, depending on their shape and surface characteristics.

Q2: How does particle shape affect the calculation?
A: Particle shape significantly influences the drag coefficient, with spherical particles having different drag characteristics than irregularly shaped particles.

Q3: What factors affect settling velocity?
A: Settling velocity is affected by particle size, density, shape, fluid viscosity, and fluid density.

Q4: Are there limitations to this equation?
A: This equation assumes spherical particles and may require adjustment for non-spherical particles or in non-Newtonian fluids.

Q5: How accurate is this calculation for real-world applications?
A: While providing good estimates, actual applications may require empirical adjustments based on specific particle characteristics and fluid properties.