1. School of Mechanical Engineering, Shandong University, Jinan 250061, People's Republic of China
2. Key Laboratory of High Efficiency and Clean Mechanical Manufacture at Shandong University, Ministry of Education, Jinan 250061, People's Republic of China
3. National Demonstration Center for Experimental Mechanical Engineering Education at Shandong University, Jinan 250061, People's Republic of China
4. School of Thermal Engineering, Shandong Jianzhu University, Jinan 250061, People's Republic of China
5. College of Energy Engineering, Zhejiang University, Hangzhou 310027, People's Republic of China