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Dimensionless Number

K

Knudsen number

Knudsen number is the ratio of the molecular mean free path length to a representative physical length scale. It is represented as:

By Chemiopedia, 4 monthsJanuary 15, 2022 ago
K

Keulegan–Carpenter numbe

Keulegan–Carpenter number describes the relative importance of the drag forces over inertia forces for bluff objects in an oscillatory fluid flow. It is also known as period number.

By Chemiopedia, 4 months ago
K

Kapitza number

Kapitza number is the ratio of surface tension forces to inertial forces.

By Chemiopedia, 4 monthsJanuary 15, 2022 ago
K

Karlovitz number

Karlovitz number is the ratio of chemical time scale to Kolmogorov time scale.

By Chemiopedia, 4 monthsJanuary 15, 2022 ago
I

Iribarren number

Iribarren number is used to model several effects of surface gravity waves on beaches and coastal structures. It is also known as the surf similarity parameter and breaker parameter. While

By Chemiopedia, 4 monthsJanuary 15, 2022 ago
H

Hagen number

The Hagen number is the forced flow equivalent of the Grashof number. It is represented as:

By Chemiopedia, 4 monthsJanuary 13, 2022 ago
H

Hartmann number

The Hartmann number is the ratio of electromagnetic force to viscous force.

By Chemiopedia, 4 monthsJanuary 13, 2022 ago
G

Grashof Number

The Grashof number (Gr) is the ratio of the buoyancy to the viscous force acting on a fluid. In mass transfer, temperatures will be replaced with concentration.

By Chemiopedia, 5 monthsJanuary 6, 2022 ago
G

Graetz Number

In fluid dynamics, the Graetz number (Gz) characterizes laminar flow in a conduit. It is expressed as: In mass transfer, it is the ratio of momentum diffusivity to mass diffusivity.

By Chemiopedia, 5 monthsJanuary 6, 2022 ago
G

Görtler Number

Görtler number is the ratio of centrifugal effects to the viscous effects in the boundary layer.

By Chemiopedia, 5 monthsJanuary 6, 2022 ago

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