WS-7 Development of Refrigeration and Air-Conditioning Technologies for Practical Use of Next-Generation Low-GWP Refrigerants

Organizer
AKASAKA, Ryo (Kyushu Sangyo Univ.), MIYARA, Akio (Saga Univ.), SAITO, Kiyoshi (Waseda Univ.), HIGASHI, Tomohiro (CRIEPI)

2026/09/02 (Day 1 ), Room C

WS-7 Development of Refrigeration and Air-Conditioning Technologies for Practical Use of Next-Generation Low-GWP Refrigerants 1 09:00 〜 10:00
LCCP evaluation of low GWP refrigerant mixtures through heat exchanger optimization

◯ MIYAOKA Yoichi (WASEDA Univ.), GIANNETTI Niccolo, TANAKA Chitose, SAITO Kiyoshi
Study on the Practical Applications of R-1132(E)-based refrigerant blends
Performance Evaluation using Air Conditioners

◯ TAKENAKA KEI (Daikin Industries), NISHIDA TERUO, TANIGUCHI SHINICHI
Experimental Evaluation of an Air Conditioner Performance under using R-1132(E)-based refrigerant blends

◯ AMANO Seiichi (Hisense Japan Corporation)

2026/09/02 (Day 1 ), Room C

WS-7 Development of Refrigeration and Air-Conditioning Technologies for Practical Use of Next-Generation Low-GWP Refrigerants 2 10:40 〜 12:00
Demonstration Test for Safety Evaluation of Self-Decomposition Reactions in Next-Generation HFO Refrigerants

◯ HIGASHI Tomohiro (CRIEPI), ITO Makoto, KOTARI Masashi, HASHIMOTO Katsumi, HIHARA Eiji (The University of Tokyo)
Performance evaluation of residential air conditioners using R474B (R1132(E)/R1234yf: 31.5/68.5 mass %) and measurement of compressor efficiency

◎ MORI Keita (Nagasaki Univ.), MIAO Yufeng, IDO Kazuki, KONDOU Chieko
Discharge Behavior of Electrical Short Circuit in Inverter-powered and Constant-speed Compressors

◎ TAKAGI Masato (Suwa University of Science), AIDA Shugo, SUEMATSU Jun-ichi, IMAMURA Tomohiko
Evaluation of self-decomposition for R-1132(E)-based refrigerant blends

◎ SUGA Sakura (Daikin Industries), USUI Takashi, INOUE Tomohito, ABE Masahiro, YAMADA Yasuhu

2026/09/02 (Day 1 ), Room C

WS-7 Development of Refrigeration and Air-Conditioning Technologies for Practical Use of Next-Generation Low-GWP Refrigerants 3 13:20 〜 14:40
Investigation of disproportionation mechanisms and suppression methods in HFO Refrigerants (Part 2)

◎ KARIN Domoto (Panasonic), HIKARU Murakami, HIRONORI Tsunoyama, NAOKI Hayashi, YU Tokoro, HIROYUKI Aoyama, TAKAHIKO Hashimoto, YUKIO Nakano (Tokyo Gakugei University)
Experimental Validation of Genetic Programming for Optimizing R454C refrigerant Circuitry

◯ GIANNETTI Niccolo (WASEDA Univ.), KIM Cheol Hwan, AGUI Haruka, TANAKA Chitose, SEI Yuichi (The University of Electro-Communications), SAITO Kiyoshi (WASEDA Univ.)
Experimental Investigation on Solubility Characteristics of PVE/R474A Mixture near Critical Temperature

◎ RAKPAKDEE Wannarat (Shizuoka University), FUKUTA Mitsuhiro, MOTOZAWA Masaaki
Prediction of Burning Velocity for HFO Refrigerants by Developing Reaction Models using Graph Network Analysis

◯ TOYODA Kenji (Panasonic Holdings Cooperation), NAGAO Nobuaki, OOGOE Takahiro, DOMOTO Karin (Panasonic), MURAKAMI Hikaru, HASHIMOTO Takahiko, HIWATA Akira, MARUTA Kaoru (Tohoku University)