TY - JOUR TI - Semi-analytical method for solving non-linear equation arising of natural convection porous fin AU - Petroudi Iman Rahimi AU - Ganji Davood Domairry AU - Shotorban Amir Bahram AU - Nejad Mehdi Khazayi AU - Rahimi Ehsan AU - Rohollahtabar Reza AU - Taherinia Fatemeh JN - Thermal Science PY - 2012 VL - 16 IS - 5 SP - 1303 EP - 1308 PT - Article AB - In the present study, the problem of non-linear model arising in heat transfer through the porous fin in a natural convection environment is presented and the homotopy perturbation method is employed to obtain an approximate solution, which admits a remarkable accuracy.