1. Department of Mechanical and Industrial Design Engineering; TEI of Western Macedonia; Kozani 50100 Greece
2. Department of Chemical Engineering; Aristotle University of Thessaloniki; Thessaloniki 54124 Greece
3. Department of Physics; Aristotle University of Thessaloniki; Thessaloniki 54124 Greece
4. Currently on a Leave of Absence and with the Department of Chemical and Petroleum Engineering; United Arab Emirates University; Al Ain U.A.E