Authors: Professor, Mechanical Engineering, Institute of aeronautical Engineering college, Hyderabad, India.; Dr.G.V.R.Seshagiri Rao*; Vadnala priyanka; PG Scholar ,Mechanical Engineering, Institute of aeronautical Engineering college, Hyderabad, India.; V V S H Prasad; Professor , Mechanical Engineering, Institute of aeronautical Engineering college, Hyderabad, India.