1. Department of Mechanical Engineering, Chung Yuan Christian University, Taoyuan, Taiwan, Republic of China
2. Department of Energy and Refrigerating Air-Conditioning Engineering, National Taipei University of Technology, Taiwan, Republic of China
3. Research Center of Energy Conservation for New Generation of Residential, Commercial, and Industrial Sectors, National Taipei University of Technology, Taiwan, Republic of China
4. School of Energy and Power Engineering, Northeast Electric Power University, Jilin, P.R. China