(in lingua inglese)
In this work, Adomian decomposition method is used to analyze the effect of environmental temperature of a convective– radiative fin with internal heat generation. The analysis is carried out to study the variation of local fin temperature of the fin materials and fin efficiency with different controllin parameters, such as dimensionless thermal conductivity parameters, dimensionless sink temperatures and heat generation number. The present results obtained are compared with the results of Galerkin Method (GM) and Boundary Value problem Method (BVP) and a good agreement is observed.