Heat and Thermodynamics

Questions

1. Deduce the Fourier equation of one dimensional heat flow. Prove that the length to which the wax melts in the steady state along a wax coated bar is proportional to the square root of the coefficient of thermal conductivity of the material of the bar.
2. Describe Ingen-Hausz's experiment and prove, from mathematical theory, that the conductivities of the different bars vary as the square of the length upto which wax is melted.
3. Describe Forbes' method of determining the thermal conductivity of a metallic bar. Deduce the necessary formula.
4. Work out Despretz's method of comparison of thermal conductivities.
5. Describe Lees’ method of determining thermal conductivity of poor conductors.
6. Derive the theory of spherical shell method of determining ...