Analytic Solutions for Heat Conduction in Functionally Graded Circular Hollow Cylinders with Time-Dependent Boundary Conditions

Figure 2

Temperature variation of FG circular hollow cylinders with constant value of 𝛽₁ and various values of 𝛽₂ and 𝐶₀ at 𝜉=0.75, [𝑘_𝑚=1, 𝑐_𝑚=1, 𝜃(1,𝜏)=(1−𝑒^−𝐶0𝜏)𝜃₂∶𝜃₂=4].