1. Istituto di Ricerche sulla Combustione, IRC–CNR, P.le Tecchio 80, 80125, Napoli, Italy
2. Key Laboratory of Power Machinery and Engineering, Ministry of Education, Shanghai Jiao Tong University, 200240, Shanghai, China
3. SPIN - CNR, Via Cintia, 80124, Napoli, Italy
4. Chemical Engineering, Materials and Industrial Production Department, University of Naples Federico II, P.le Tecchio 80, 80125, Napoli, Italy
5. CNISM and Physics Department, University of Naples Federico II, Via Cintia, 80124, Napoli, Italy