1. School of Engineering, University of the West of Scotland, Paisley, UK
2. Energy and Thermo-Fluid group, School of Engineering, International University of Beirut, Beirut, Lebanon
3. FCLAB, CNRS, Univ. Bourgogne Franche-Comté, Belfort cedex, France
4. School of Engineering and Applied Science, Aston University, Birmingham, UK