Performance of ground source heat pump that uses direct expansion method for supplying hot water
Ryoichi Nishizawa, Japan
University of Yamanashi. Mechanical Engineering Course. Takeda Lab., Kofu

Thermal performance of underground heat exchanger for ground source heat pump that uses direct expansion method
Ryosuke Okazawa, Japan
University of Yamanashi, Mechanical Enginieering course, Takeda Lab., Kofu City

Thermal performance of ground source heat pump using steel pipe pile for house
Tomoya Aoki, Japan
University of Yamanashi, Mechanical engineering course, Takeda Lab., Kofu

Performance evaluation of CO2-based mixture refrigerants in ground-source heat pump with ejector
Dr. Wei Wu, People's Republic of China
City University of Hong Kong, Hong Kong

The effects of antifreeze in the circulating water on the operation performance of ground heat exchangers
Prof. Xu Zhang, People's Republic of China
Tongji University, Shanghai