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Dimensionless quantity characterising the development of Natural Thermal Convection:
LaTeX Math Block | ||||
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\mbox{Ra} = \mbox{Gr} \cdot \mbox{Pr} = \frac{g \, \beta \, \Delta T \, L^3}{\nu \cdot a} |
where
| Temperature gradient across Natural Thermal Convection |
| Kinematic viscosity of the fluid | ||||||||
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| Thermal expansion coefficient of the fluid |
| Thermal Diffusivity of the fluid | ||||||||
| Characteristic length of Natural Thermal Convection |
| Standard gravity constant |
See also