1. Associate Professor, Dept. of Mechanical Engineering, Xi’an Univ. of Science and Technology, Xi’an 710054, China.
2. Ph.D. Student, MOE Key Laboratory of Thermo-Fluid Science and Engineering, Xi’an Jiaotong Univ., Xi’an 710049, China.
3. Professor, MOE Key Laboratory of Thermo-Fluid Science and Engineering, Xi’an Jiaotong Univ., Xi’an 710049, China (corresponding author).