1. School of Chemical EngineeringLanzhou Jiaotong University 88 West Anning Road, Lanzhou 730070 People's Republic of China
2. Key Laboratory of Railway Vehicle Thermal Engineering, Ministry of Education of People's Republic of ChinaLanzhou Jiaotong University Lanzhou People's Republic of China
3. Department of Mechanical EngineeringLanzhou Jiaotong University 88 West Anning Road, Lanzhou 730070 People's Republic of China