Unsteady state Diffusion
If the change of concentration of a component A of the diffusive…
FICK’S LAW OF DIFFUSION
Adolf Fick (1955) first described the molecular diffusion in an isothermal, isobaric…
What Is Mass Transfer?
Mass transfer describes the transport of mass from one point to another…
Combined Convection and Conduction
This combination is likely to occur with the use of extended surfaces…
Combined Convection and Radiation
Since these two modes of heat transfer are completely independent, there would…
Analogy between Heat Transfer and Electric Circuits
There exists an analogy between the diffusion of heat and electrical charge.…
Radiation Heat Transfer (Heat transfer by thermal radiation)
All bodies radiate energy in the form of photons moving in a…
Heat Exchangers
The general function of a heat exchanger is to transfer heat from…
Some Considerations in Modeling Complex Physical Processes
In Sections 5 and 6, a number of assumptions were made about…
Transient Heat Transfer (Convective Cooling or Heating)
All the heat transfer problems we have examined have been steady state,…


