1. Faculty of Mechanical Engineering, Univ. Politehnica of Bucharest, Splaiul Independentei 313, Sector 6, 060042 Bucharest, Romania; Lecturer, Technical Institute of Kufa, Al-Furat Al-Awsat Technical Univ., Kufa 54003, Iraq (corresponding author).
2. Master’s Student, Faculty of Mechanical Engineering, Univ. Politehnica of Bucharest, Splaiul Independentei 313, Sector 6, 060042 Bucharest, Romania.
3. Professor, Faculty of Mechanical Engineering, Univ. Politehnica of Bucharest, Splaiul Independentei 313, Sector 6, 060042 Bucharest, Romania; Associated Member, Laboratoire Chimie moléculaire, génie des procédés chimiques et énergétiques (EA7341), Conservatoire National des Arts et Métiers, 292 rue St-Martin, 75003 Paris, France.
4. Professor, Faculty of Mechanical Engineering, Univ. Politehnica of Bucharest, Splaiul Independentei 313, Sector 6, 060042 Bucharest, Romania.