Skip to main content
CalcPro

Sediment Particle Terminal Settling Velocity (Rubey & Stokes) Calculator

Easily calculate and compute sediment particle terminal settling velocity (rubey & stokes) calculator with accurate equations, live formulas, and expert guidance.

Fine sand ~0.1-0.25 mm; medium sand ~0.25-0.5 mm; coarse sand > 0.5 mm.

Standard quartz sand ρ_s = 2650 kg/m³.

Affects kinematic viscosity.

Calculated Result
3.13 cm/s

Settling Velocity

Settling Velocity

3.13 cm/s

Settling Velocity Cm Per Sec

3.13

Settling Velocity M Per Sec

0.031

Particle Reynolds Number Re P

6.8

Hydrodynamic Regime

Transitional Rubey intermediate settling regime

3.13 — cm/s

Calculation Breakdown

  1. Applied FormulaCalculates the terminal gravitational settling velocity (w_s) of quartz sand and sediment grains in water using Rubey’s formula across laminar to turbulent flow.w_s = \sqrt{\frac{2}{3} g (s - 1) d + \frac{36\nu^2}{d^2}} - \frac{6\nu}{d}

Sediment Settling Velocity Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.00.81.62.33.1Settling Velocity

What Is the Sediment Particle Terminal Settling Velocity (Rubey & Stokes) Calculator?

This tool computes sediment particle terminal settling velocity (rubey & stokes) calculator with high precision arithmetic.

How Does the Sediment Particle Terminal Settling Velocity (Rubey & Stokes) Calculator Work?

Calculates the terminal gravitational settling velocity (w_s) of quartz sand and sediment grains in water using Rubey’s formula across laminar to turbulent flow.

Sediment Particle Terminal Settling Velocity (Rubey & Stokes) Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

ws=23g(s−1)d+36ν2d2−6νdw_s = \sqrt{\frac{2}{3} g (s - 1) d + \frac{36\nu^2}{d^2}} - \frac{6\nu}{d}

Calculates the terminal gravitational settling velocity (w_s) of quartz sand and sediment grains in water using Rubey’s formula across laminar to turbulent flow.

How to Use the Sediment Particle Terminal Settling Velocity (Rubey & Stokes) Calculator

  1. Enter your parameters into the designated input fields to calculate the result immediately.

Step-by-Step Example Calculation

Sediment Particle Terminal Settling Velocity (Rubey & Stokes) Calculator Example

Input Values:

grainDiameterMm:0.25
grainDensityKgPerM3:2650
waterTemperatureCelsius:15
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required cm/s.

Factors That Affect the Result

  • Measurement tolerances, operational variance, and real-world conditions.

When Should You Use This Calculator?

  • Everyday budgeting, technical homework, professional estimation, and household projects.

Assumptions & Limitations

  • Assumes standard atmospheric or environmental parameters unless specified.

Frequently Asked Questions

Calculation Accuracy & Reference Note

Double-precision IEEE 754 arithmetic with validated empirical constants.

\n

Related Calculators

Explore more tools and calculators in Physics Calculators

Length Converter

Convert length and distance between metric and imperial units including meters, feet, inches, kilometers, miles, and yards with exact SI definitions.

Percentage Calculator

Calculate percentages: what % X is of Y, P% of X, % change, discount price, and percentage points.

Temperature Converter

Convert temperatures between Celsius (°C), Fahrenheit (°F), Kelvin (K), and Rankine (°R) with step-by-step thermodynamic formulas.

Ohm's Law & Electrical Power Calculator

Calculate Voltage (V), Current (I), Resistance (R), and Electrical Power (P) across DC circuits.

Density, Mass & Volume Calculator

Calculate density (ρ = m/V), material mass, or physical volume for solids, liquids, and gases.

Steam Turbine Surface Condenser Cooling Water Duty Calculator

Calculates surface condenser thermal heat rejection (MWth), circulating cooling water pumping volume (m³/h), and steam condensation rate.