1. Department of Energy Engineering, Zhejiang University, 38 Zheda Road, Hangzhou 310027, China
2. Sinopec Dalian (Fushun) Research Institute of Petroleum and Petrochemicals, Fushun 113001, China
3. Department of Mechanical and Aerospace Engineering, University of Florida, P. O. Box 116300, Gainesville, FL 32611-6300
4. Institute for Thermodynamics, Gottfried Wilhelm Leibniz University Hannover, Garbsen 30823, Germany