Ans: The Rayleigh number is a product of Grashof number and Prandtl number.
It can be seen as the ratio of the buoyancy forces and the product of the thermal and momentum diffusivity.

Ans: The Rayleigh number is a product of Grashof number and Prandtl number.
It can be seen as the ratio of the buoyancy forces and the product of the thermal and momentum diffusivity.









