Analytical Solution of Nonlinear Boundary Value Problem for Fin Efficiency of Convective Straight Fins with Temperature-Dependent Thermal Conductivity

Figure 3

Dimensionless temperature 𝜃 versus dimensionless coordinate 𝜉 for various values of 𝛽 when (a) 𝜓=0.5,  ℎ=−0.84  and (b) 𝜓=1,  ℎ=−0.84. The key to the graph (solid line) represents our approximate solution presented in this work (8), and (+) represents Equation (11) [7].

(a)

(b)