[1] Natl Tech Univ Ukraine, Igor Sikorsky Kyiv Polytech Inst, Dept Phys, 37 Prospect Perem, UA-03056 Kiev, Ukraine
[2] Univ Liverpool, Sch Engn, Dept Mech & Aerosp Engn, Creat Design Engn Lab Cdel, Liverpool L69 3GH, England
[3] Zurich Univ Appl Sci, Inst Computat Phys, Wildbachstr 21, CH-8400 Winterthur, Switzerland
[4] Imperial Coll London, Dept Civil & Environm Engn, Skempton Bldg,South Kensington Campus, London SW7 2AZ, England
[5] Newcastle Univ, Sch Engn, Newcastle Upon Tyne NE1 7RU, England
[6] OsloMet, Dept Mech Elect & Chem Engn, Pilestredet 35, N-0166 Oslo, Norway
[7] Imperial Coll London City & Guilds Bldg, Dept Aeronaut, South Kensington Campus, London SW7 2AZ, England