1. Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warsaw, Poland
2. Department of Mechanical Engineering, York University, Toronto, M3J 1P3 Ontario, Canada
3. Flow Capture AS, Industriveien 1, 2020 Skedsmokorset, Norway
4. State Key Laboratory of Engines, Tianjin University, 300072 Tianjin, China