heat transfer 1 min read
Some Considerations in Modeling Complex Physical Processes
In Sections 5 and 6, a number of assumptions were made about the processes that we were attempting to describe.…
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heat transfer 2 min read
Transient Heat Transfer (Convective Cooling or Heating)
All the heat transfer problems we have examined have been steady state, but there are often circumstances in which the…
heat transfer 2 min read
Heat Transfer From a Fin
Fins are used in a large number of applications to increase the heat transfer from surfaces. Typically, the fin material…
heat transfer 1 min read
Temperature Distributions in the Presence of Heat Sources
There are a number of situations in which there are sources of heat in the domain of interest. Examples are:…
heat transfer 2 min read
Thermal Conductivity, k
As noted previously, thermal conductivity is a thermodynamic property of a material. From the State Postulate given in thermodynamics, it may be recalled that thermodynamic properties of pure substances are functions …
heat transfer 2 min read
Heat Transfer: Radiation
So we’ve learned that conduction moves heat easiest through solids, and convection moves heat through liquids and gases. So how…
heat transfer 2 min read
Heat Transfer: Convection
Convection is how heat passes through fluids. A fluid is anything that has loosely moving molecules that can move easily…
heat transfer 2 min read
Heat Transfer: Conduction
We have learned that heat is the energy that makes molecules move. Molecules with more heat energy move faster, and…
heat transfer 2 min read
What is Heat Pump?
We know that the air-conditioning system is used for cooling the room in summers when atmospheric temperatures are very high,…
heat transfer 3 min read
What Happens at Absolute Zero Temperature
The third law of thermodynamics is lesser known of all the three laws of thermodynamics, and even its applications found…
