Abbaszadeh, M. , Nikpoorparizi, P. , Shahrooz, M. (2011). 'Analysis of Distribution of Thrust, Torque and Efficiency of a Constant Chord, Constant Pitch C.R.P. Fan by H.E.S. Method'. World Academy of Science, Engineering and Technology, Open Science Index 55, International Journal of Mechanical and Mechatronics Engineering, 5(7), 1530 - 1534.