1. Department of Mechanical Engineering, National University of Singapore, Singapore 117575, Singapore
2. Graduate School for Integrative Sciences and Engineering, National University of Singapore, Singapore 138632, Singapore
3. Singapore Institute of Manufacturing Technology, A*STAR (Agency for Science, Technology and Research), 2 Fusionopolis Way, Innovis 138634, Singapore
4. Faculty of Energy and Fuels, AGH University of Science and Technology, al. Mickiewicza 30, Krakow 30-059, Poland
5. Department of Mechanical and Automation Engineering, Chinese University of Hong Kong, William M. W. Mong Engineering Building, Chung Chi Road, Ma Liu Shui, HKSAR
6. National University of Singapore (Suzhou) Research Institute, Suzhou 215123, P. R. China