1. Department
of Mechanical Engineering Sciences, University of Surrey, Guildford GU2 7XH, United Kingdom
2. School
of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China
3. Collage
of Environmental Science and Resource, Shanxi University, Taiyuan 030006, China
4. School
of Vocational and Technical, Hebei Normal University, Shijiazhuang 050024, China