1. University of Kragujevac , Faculty of Engineering , Kragujevac , Serbia
2. College of Technical Engineering , Al-Farahidi University , Iraq
3. Air Conditioning and Refrigeration Techniques Engineering Department , Al-Mustaqbal University College , Babylon , Iraq
4. Department of Energy Engineering, College of Engineering , University of Baghdad , Baghdad , Iraq ; Department of Mechanics , Al-Farabi Kazakh National University , Almaty , Kazakhstan ; System Technologies and Engineering Design Methodology , Hamburg University of Technology Hamburg , Germany