EngiRef / Formulas

Froude Number

Ratio of inertial to gravitational forces

Fluid Dynamics

Source Details

Id

fluids-froude

Name

Froude Number

Discipline

fluids

Category

Fluid Dynamics

Latex

Fr = \frac{v}{\sqrt{gL}}

Description

Ratio of inertial to gravitational forces

Conditions

Important for open channel and ship hydrodynamics

Variables
[
  {
    "symbol": "Fr",
    "name": "Froude Number",
    "unit": "",
    "siUnit": ""
  },
  {
    "symbol": "v",
    "name": "Velocity",
    "unit": "m/s",
    "siUnit": "m/s",
    "imperialUnit": "ft/s"
  },
  {
    "symbol": "g",
    "name": "Gravity",
    "unit": "m/s²",
    "siUnit": "m/s²"
  },
  {
    "symbol": "L",
    "name": "Characteristic Length",
    "unit": "m",
    "siUnit": "m",
    "imperialUnit": "ft"
  }
]
Solve For

Fr, v, L

Tags

froude, number, wave, gravity, open, channel

Is Custom

false