Heat transfer - Mech Content

Lumped system analysis: Derivation, Assumptions, Equation/formula

In this article, we’re going to discuss: What is lumped system analysis and when is it applicable? The lumped system …

What is shape factor in radiation? Shape factor is the fraction of radiation energy radiated by one surface which is …

In this article, we’re going to discuss: What is temperature gradient in heat transfer? For the given direction, the temperature …

What is Thermal boundary layer? When the free stream of fluid at temperature ‘`T_{\infty}`’ approaches to the plate at different …

The critical radius of insulation & the critical thickness of insulation are the necessary factors in the case of insulation …

What is Thermal time constant? The thermal time constant is the time taken by the system to undergo temperature change …

What is fin effectiveness in heat exchanger? Fin effectiveness is the ratio of the rate of heat transfer by use …

What is biot number? Biot number is the ratio of internal conductive resistance within the body to the external convective …

What is fouling in heat exchanger? Fouling is the phenomenon of deposition of fluid impurities on the heat transferring surface …

In free or natural convection, the fluid molecules move due to the density variation caused by a temperature gradient. Thus …