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Heat transfer
Posted Jul 13, 2010, 9:53 a.m. EDT 1 Reply
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I was just curious what the difference between ambient temperature and external temperature was. I am attempting to model the heat transfer through a thin sheet of aluminum using the heat transfer>conduction module in 3d. We are assuming the aluminium is placed in a vacuum with the walls of the vacuum at 170K. The initial temperature of the aluminum is 500K.
1 Reply Last Post Jul 13, 2010, 1:30 p.m. EDT
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Posted:
1 decade ago
Hi
from what I remember you have T (or local/standard temperature dependent variable) and Tempref (for V3.5a), the reference temperature for differential thermal stress/strain. And you have External temperature Text for heat exchange i.e. convective cooling etc, and then ambient Temperature for heat radiative exchange Tamb.
Finally only T the "Temperature" is a dependent variable, the others are normally fixed or boundary conditions value
Hope this helps
Ivr
from what I remember you have T (or local/standard temperature dependent variable) and Tempref (for V3.5a), the reference temperature for differential thermal stress/strain. And you have External temperature Text for heat exchange i.e. convective cooling etc, and then ambient Temperature for heat radiative exchange Tamb.
Finally only T the "Temperature" is a dependent variable, the others are normally fixed or boundary conditions value
Hope this helps
Ivr