1. Department
of Mechanical Engineering, University of California−Berkeley, Berkeley, California 94720, United States
2. Institute
for Internal Combustion Engines and Thermodynamics, Graz University of Technology, Rechbauerstraße 12, 8010 Graz, Austria
3. Institute
for Internal Combustion Engines and Automotive Engineering, Vienna University of Technology, Karlsplatz 13, 1040 Vienna, Austria
4. Department
of Mechanical and Aerospace Engineering, University of California−San Diego, La Jolla, California 92093, United States