204 Heat Transfer: Thermal Management of Electronics
PROBLEMS
8.1 When is heat transfer called transient and when is it called steady state?
8.2 What is the temperature boundary condition at a symmetry plane?
8.3 Write down the expression for the following boundary conditions for
the heat conduction equation:
a. Specied temperature at x = 0.
b. Specied heat ux at x = L.
c. Insulated boundary at x = 0.
d. Thermal symmetry at x = L/2.
e. Convection boundary at x = L.
f. Radiation boundary at x = 0.
8.4 What are the appropriate boundary conditions at the interface between
two layers with different thermal conductivities?
8.5 What is called a lumped system?
8.6 Which object is more likely to be considered ...