week 4 Flashcards
1
Q
when does heat transfer occur most often
A
between two fluids separated by a dividing wall
2
Q
when does the most temperature drops occur in a stagnant boundary layer
A
ocurs closest to the wall boundary
3
Q
what is convection
A
the transfer of heat due to the bulk movement of molecules within fluids (gases and liquids)
4
Q
what is thermal resistance
A
this is when 2 different conducting surfaces are placed together in contact
5
Q
what is thermal contact resistance
A
2 materials unable to fit tightly together due to fluid trapped between