**Diffusivity** can refer to:

- Diffusivity of heat
- Diffusivity of mass:
- Molecular diffusivity (often called "diffusion coefficient")
- Eddy diffusivity

- Momentum diffusivity
- Magnetic diffusivity

### Other articles related to "diffusivity":

Mass

...

**Diffusivity**...

**Diffusivity**or diffusion coefficient is a proportionality constant between the molar flux due to molecular diffusion and the gradient in the concentration of the species (or the driving ...**Diffusivity**is encountered in Fick's law and numerous other equations of physical chemistry ... The higher the**diffusivity**(of one substance with respect to another), the faster they diffuse into each other ...Convection–diffusion Equation - Equation - General

... for mass transfer, temperature for heat transfer), D is the

... for mass transfer, temperature for heat transfer), D is the

**diffusivity**(also called diffusion coefficient), such as mass**diffusivity**for particle motion or thermal**diffusivity**for heat transport, is ...Viscosity Of Amorphous Materials - Units - Kinematic Viscosity

... The kinematic viscosity is sometimes referred to as

... The kinematic viscosity is sometimes referred to as

**diffusivity**of momentum, because it is analogous to**diffusivity**of heat and**diffusivity**of mass ...Taylor Dispersion - Description

... the diffusing species is denoted c and its

... the diffusing species is denoted c and its

**diffusivity**is D ... quantities Observe how the effective**diffusivity**multiplying the derivative on the right hand side is greater than the original value of diffusion coefficient, D ... The effective**diffusivity**is often written as where is the Péclet number, based on the channel diameter ...Main Site Subjects

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