## Nusselt number: Definition, Formula, Significance, Examples [with Pdf]

What is the Nusselt number? The Nusselt number is the dimensionless number used in convective heat transfer analysis. The Nusselt …

## Thermal diffusivity: Definition, Formula, Units, Importance [with Pdf]

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

## Reynolds number: Definition, Significance, Formula, Examples [with Pdf]

What is Reynolds number? The term Reynolds number is the ratio of inertia force to the viscous force present in …

## Fourier number: Definition, Formula, Significance (heat transfer)

What is the Fourier number? The Fourier number is the dimensionless quantity used in the calculation of unsteady-state heat transfer. …

## Fin in heat transfer- Types, Properties, Applications

What is Fin in Heat transfer? Fin is the extended surface that is used to increase the rate of convective …

## How is heat transferred from the sun to the earth? [with Pdf]

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

## Critical pressure ratio: Definition, Formula, Significance [with Pdf]

What is critical pressure ratio? Critical pressure ratio is the ratio of pressure at which the system gives maximum mass …

## Grashof number: Definition, Significance, Formula, Examples [with Pdf]

What is grashof number? Grashof number is defined as the ratio of the product of inertia force and buoyant force …

## Thermal contact resistance: Definition, Formula (Heat transfer)

What is Thermal contact resistance in heat transfer? Thermal contact resistance is the resistance to the conduction heat transfer between …

## Stanton number: Definition, Formula, Significance, Example

What is Stanton number? Stanton number is the ratio of heat transfer in the fluid to the heat capacity of …