T0 | The temperature of the rod at x = 0 |
T(x) | The temperature of the rod as a function of x |
Tenv | The temperature of the air, room temperature |
Theta(x) | The "excess" of the temperature above room temperature. T(x) - Tenv |
SA | The cross sectional area |
C | The circumference of the rod |
k | The thermal conductivity of the material of the rod |
h | The surface coefficient of heat transfer between the rod and its environment |