[1] Tianjin Univ, State Key Lab Engines, Tianjin 300072, Peoples R China
[2] MIT, Sloan Automot Lab, 77 Massachusetts Ave, Cambridge, MA 02139 USA
[3] Civil Aviat Univ China, Sch Aeronaut Engn, 2898 Dongli, Tianjin 300300, Peoples R China
[4] Tianjin Univ, Room 204,Neiranji Bldg,92 Weijin Rd, Tianjin 300072, Peoples R China
[5] MIT, Room 203,Bldg 41,77 Massachusetts Ave, Cambridge, MA 02139 USA