1. Department of Cryogenic Systems Research, Korea Shipbuilding & Offshore Engineering, Gyeonggi-do, Republic of Korea;
2. Department of Refrigeration and Air-conditioning Engineering, College of Engineering, Pukyong National University, Busan, Republic of Korea;
3. Department of R&D Division, DAEIL corporation, Busan, Republic of Korea;
4. R&D Division Annex Institute, UNISEM Co., Ltd, Gyeonggi-do, Republic of Korea