[1] Aston Univ, Coll Engn & Phys Sci, Birmingham B4 7ET, W Midlands, England
[2] Univ Bari, Dept Mech Math & Management, Piazza Umberto I 1, I-70121 Bari, BA, Italy
[3] Univ Wolverhampton, Sch Engn, Wolverhampton WV1 1LY, England
[4] Univ Sharjah, Sustainable & Renewable Energy Engn, Sharjah 27272, U Arab Emirates