Schmidt Number Calculator

Enter value and click on calculate. Result will be displayed.
Select calculator:
 
Kinematic Viscosity (Sc):
m2/s
Mass Diffusivity (v):
m2/s
Result:

A Schmidt Number Calculator is a tool used to determine the Schmidt number (Sc), which describes the ratio of momentum diffusivity (viscosity) to mass diffusivity in a fluid. It is commonly used in fluid dynamics, heat transfer, and chemical engineering.

Why Use It?

It helps in:

  • Mass Transfer Analysis: Understanding how gases or liquids diffuse in a fluid.
  • Chemical & Process Engineering: Designing mixing and separation processes.
  • Aerospace & Environmental Studies: Studying pollutant dispersion and fuel combustion.

How Does It Work?

Schmidt number (Sc) is calculated as:

Sc = D / ν​

Where:

  • ν = Kinematic viscosity of the fluid (m²/s)
  • D = Mass diffusivity (m²/s)

You input viscosity and diffusivity, and the calculator returns Sc. A higher Schmidt number means slower diffusion, while a lower Schmidt number means faster diffusion.

When to Use It?

  • In Fluid Flow Studies: To analyze boundary layer effects.
  • In Chemical Reactions: To optimize diffusion-based processes.
  • In Environmental Engineering: To study how gases dissolve in liquids (e.g., oxygen in water).