## Conduction heat transfer: Definition, Equation, Types, Examples [with Pdf]

Conduction is one of the three modes of heat transfer while the other two are convection and radiation. There are …

What is thermal diffusivity in heat transfer? The thermal diffusivity of a substance is given by the ratio of thermal …

For the transfer of heat from the sun to the earth, the energy emitted from the sun has to travel …

What is Rayleigh number? Rayleigh number is defined as the product of grashof number and Prandtl number. The rayleigh number …