OS-5 Next Generation Refrigeration System Technology

Organizer
MATSUOKA, Fumio (Heatpump Lab.), DAIGUJI, Hirofumi (Univ. of Tokyo), WATANABE, Satoshi (Mitsubishi Heavy Industries Thermal Systems, Ltd.), ZHANG, Li (CRIEPI), NUKAGA, Haruki (Hitachi, Ltd.), NAGATA, Junichiro (Sanki Engineering, Co., Ltd.)

2026/09/04 (Day 3 ), Room C

OS-5 Next Generation Refrigeration System Technology 1 09:00 〜 10:40
Study on consideration of direct expansion system for environmental laboratory
9th Report: CFD Analysis Model for Predicting Outlet Temperature Distribution of an Evaporator(2)

◯ NAGATA Junichiro (Sanki Engineering), HAMAMOTO Yoshinori (Kyushu Univ.), MATSUOKA Fumio (Heat Pump Laboratory)
Miscibility of Refrigeration Oil with Low GWP Refrigerants

SAITO Rei (JAPAN SUN OIL), SUZUKI Yoshinori, ◯ NAKANO Ryoichi, NANSO Hiei
Performance Evaluation of a Condensing Unit Using Next-Generation Refrigerant R474B

◯ JEONG Jongsoo (WASEDA Univ.), SAITO Kiyoshi
【Keynote】】Advances in Optical Quantum Sensing

◯ TAKEUCHI Sigeki (Kyoto University)

2026/09/04 (Day 3 ), Room C

OS-5 Next Generation Refrigeration System Technology 2 11:00 〜 12:20
Prototype Development and Heating Performance Evaluation of an EV Air-Conditioning System Using a Desiccant-Coated Heat Exchanger

◯ ZHANG Li (CRIEPI), HIGASHI Tomohiro, TADA Kazuhiro (DENSO), INABA Atsushi, KAMI Yuichi
Evaluation of Water Absorption and Evaporation Characteristics of a Desiccant-Coated Heat Exchanger and Its Application Potential

◯ HIGASHI Tomohiro (CRIEPI), ZHANG Li, TADA Kazuhiro (DENSO), INABA Atsushi, KAMI Yuichi
Visualization and heating experiments of the evaporator in a natural-circulation evaporative cooling heat recovery system

◎ HASEGAWA Akiyuki (Kyushu Univ.), HAMAMOTO Yoshinori, YAJIMA Takeshi (MESH-X/Tokyo Electric Power Company Holdings), TAIRA Hirotoshi (Tokyo Electric Power Company Holdings), KAKEHI Takato
Strain Gauge-Based Non-Intrusive Pressure Estimation for Thermal Systems: A Comparative Study of Thin-Walled and Thick-Walled Approximations Model

◎ JOURDAN A. Gabriel (Waseda Univ.), GIANNETTI Niccolò, SAITO Kiyoshi, TANAKA Katsuhiko (Tokyo Electric Power Company), YONEDA Rysouke

2026/09/04 (Day 3 ), Room C

OS-5 Next Generation Refrigeration System Technology 3 13:20 〜 14:40
Initiatives in Centrifugal Chillers for Data Centers

◯ YAMAMOTO Hiroyuki (Mitsubishi Heavy Industries Thermal Systems), YOGO Ichiro, DAIMO Masashi
Development of a Machine Learning Model for Predicting the Dynamic Behavior of Air Conditioners

◯ LI YILONG (Daikin Industries), KASAHARA Shinichi, KUSAKABE Yuma
Simulation of leakage of mildly flammable refrigerants into a Store from Showcases
Part 2: Evaluation of Time-Space Product During Leakage

◯ SHIRAKI Takashi (Fuji Electric), KOUNO Amane, IZUNO Yusaku
Fundamental Properties of EC-NaI Slurry for The Realization of an Ionocaloric Refrigeration Cycle

◎ KAWADA Kodai (Aoyama Gakuin Univ.), WATANABE Hiroto, MORIMOTO Takashi, KUMANO Hiroyuki

2026/09/04 (Day 3 ), Room C

OS-5 Next Generation Refrigeration System Technology 4 15:00 〜 16:00
Experimental Investigation of an Open Cycle Steam Generating Heat Pump with Direct Steam Compression

◯ SEKIYA Sachio (Hitachi), NUKAGA Haruki, MAITA Hiroshi, HASHIMOTO Kento, KAWAMURA Hironobu
Development of a Liquid Refrigerant Amount Estimation Technology for Accumulators in Commercial Multi-Split Air Conditioning Systems
1st Report: Construction of a Physical Model for Liquid Level Height Estimation Using Superheat Difference and Experimental Verification

◯ SEKI Tadakiyo (Mitsubishi Electric Corporation), ITO Masahiro
Analysis of Internal Flow in Linear Expansion Valves and The Effect on Refrigerant Noise

◎ TAKIKAWA Yukiya (Mitsubishi Electric Corporation), ARAI Tatsuya