1. Lecturer, Dept. of Refrigeration and Cryogenic Engineering, Xi’an Jiaotong Univ., Xi’an 710049, China (corresponding author).
2. Master Student, Dept. of Refrigeration and Cryogenic Engineering, Xi’an Jiaotong Univ., Xi’an 710049, China.
3. Ph.D. Student, Dept. of Refrigeration and Cryogenic Engineering, Xi’an Jiaotong Univ., Xi’an 710049, China.