Question: The temperature of a cylindrical solid bar (diameter D, length, L) changes in the axial direction at dynamic conditions (unsteady state) Draw the volume element
The temperature of a cylindrical solid bar (diameter D, length, L) changes in the axial direction at dynamic conditions (unsteady state)
Draw the volume element
Derive an equation to express the change in the temperature in the bar.
Define the equation you obtained (ordinary? partial? variable coefficient? order?etc.)
How many boundary conditions do you need? Explain
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