1. School of Energy and Power Engineering, Northeast Electric Power University, Jilin132012, China
2. Key Laboratory of High Efficiency and Clean Mechanical Manufacture of Ministry of Education, National Demonstration Center for Experimental Mechanical Engineering Education, School of Mechanical Engineering, Shandong University, Jinan250061, China
3. Shenzhen Research Institute of Shandong University, Shenzhen518000, China
4. Suzhou Research Institute, Shandong University, Suzhou215123, China
5. Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian116024, China