2026/09/03 (Day 2)

Room A

A21 OS-1 Technological Development in Heat Exchangers 5 09:00 〜 10:20

Chairperson: MIYATA Kazushi (Fukuoka University)

A211 Experimental study on condensation heat transfer for vertical downward flow in a multiport tube

◎ IPPOMMATSU Koki (Tokyo Unversity of Marine Science and Technology), JIGE Daisuke, INOUE Norihiro

A212 Performance evaluation of a heat exchanger considering the temperature glide of zeotropic refrigerants mixture

◯ KARIYA Keishi (Saga Univ.), SUGISAKI Yuki, MIYARA Akio

A213 Preliminary Experiments on the Flow and Heat Transfer Characteristics of a Metal 3D-Printed Gyroid Heat Exchanger

◯ FUNAMI Yuki (NDA), NAKAMURA Hajime

A214 Topology Optimization of Flow Channel Structures for Liquid Cooling Plates

◎ HEI Runqi (University of Fukui), MATSUMOTO Kensuke, WU Qining, DANG Chaobin


A22 OS-1 Technological Development in Heat Exchangers 6 10:40 〜 12:20

Chairperson: KARIYA Keishi (Saga University)

A221 Experimental Study on Flow Boiling Heat Transfer of a Low-GWP Refrigerant in Minichannels

◎ KATSUTA Shintaro (Tokyo Unversity of Marine Science and Technology), NUMATA Natsumi, AOSAWA Takuto, JIGE Daisuke, INOUE Norihiro

A222 Effect of Fin Height on Heat Transfer Enhancement of R474A in Channel with Micro Fins

◎ NUMATA Natsumi (Tokyo Unversity of Marine Science and Technology), NISHIZAKI Ayami, BABA Jimpei, JIGE Daisuke, INOUE Norihiro

A223 Effect of Tube Length on Thermal-Hydraulic Characteristics of Thin Finless Flat Tube Heat Exchangers

◯ ONISHI Hajime (Komatsu Univ.), TSUNAZAKI Rikuto

A224 Measurement of boiling heat transfer for R1336mzz(E) in a heating horizontal circular tube using high-speed infrared thermography

◯ YAMADA Shunsuke (National Defense Academy), NAKAMURA Hajime

A225 Quantifying Inter-Tube Liquid Column Dynamics for Falling-Film Heat Exchangers via High-Speed Visualization

◯ CHEN Yu-Jie (National Chin-Yi University of Technology), ZHENG Jia-Wei (National Kaohsiung Normal University), WU Yu-Lieh (National Chin-Yi University of Technology)


A23 OS-1 Technological Development in Heat Exchangers 7 13:20 〜 14:40

Chairperson: NAKAMURA Hajime (National Defense Academy)

A231 【Keynote】Understanding heat transfer and boiling crisis mechanisms in pool boiling of water

◯ YABUKI Tomohide (Kyutech)

A232 Experiment on Pool Boiling Heat Transfer of R1234ze(E) outside a T-Shaped Finned Tube

◎ YOKOTA Kazuki (Tokyo Unversity of Marine Science and Technology), JIGE Daisuke, INOUE Norihiro, MATSUNO Tomonobu (KMCT)

A233 Heat Transfer and Flow Characteristics of R-1234yf in mini tubes

◎ OKA Takao (Kobe Univ.), SOU Akira, WADA Yoshitaka (Mazda Motor Corporation), UEKI Yoshiharu


Room B

B21 SN-1 Seminar on Compressor Technology 1 09:20 〜 10:20

Chairperson: OKU Tatsuya (MAYEKAWA MFG. CO., LTD.)

B211 Biltin Horizontal Refrigerated Display cabinet using R290 (SV series Freeco)

YAMAMOTO Hiroaki (Mitsubishi Electric Applied Refrigeration Systems), ◯ HOSAKA Keiko, SUGIMOTO Takeshi, MASUDA Masato, SASAKI Ryo (Mitsubishi Electric Corporation)

B212 Vertical Flat Tube Heat Exchanger for Outdoor Unit in VRF Air Conditioning System for Buildings

◯ YATSUYANAGI Akira (Mitsubishi Electric Corporation), KOIKE Takanori, HATOMURA Takeshi, ONAKA Yoji, KISHIDA Nanami

B213 Air-Conditioner for ICT Equipment “FMACS-Ⅵ(M)”

◯ SHOJI Noritaka (Daikin Industries)


B22 SN-1 Seminar on Compressor Technology 2 10:40 〜 12:00

Chairperson: TOJO Kenji (WASEDA University/TOJO R&D Office)

B221 Summary Report on the 14th International Conference on Compressors and their Systems

◯ OKU Tatsuya (MAYEKAWA MFG.), HATTORI Kazuhiro, BUCKNEY David

B222 2026 Purdue Conference Summary Report

◯ TOJO Kenji (WASEDA Univ./TOJO R&D Office)

B223 【Keynote】The story of Scroll type compressor development

◯ SATO Taizo (Sanden corporation), HIRAGA Masaharu (Individual)


B23 OS-8 Present Status and Future Development of Compressors 1 13:20 〜 14:40

Chairperson: MOTOZAWA Masaaki (Shizuoka University)

B231 Simplified Simulation of Rotor-to-Rotor Contact in Twin-Screw Compressors Using a Multi-Section Contact Model

◯ OKU Tatsuya (MAYEKAWA MFG.), YAMASHITA Hironori, TANABE Hiroyuki, JULIO Ortiz

B232 Investigation of a Compressor Efficiency Measurement Method for Refrigeration Oil Evaluation

◎ KIMURA Ken (ENEOS Corporation), TAKAKI Tomohiro, KAWAGUCHI Masaki, SAKAMOTO Shouta, YOSHIMOTO Yasunori

B233 About the orbit radius misalignment of a scroll compressor, and the contact force and radial clearance between Scroll wraps under operating conditions.

◯ HIDENOBU Shintaku (Midea Japan Corporation), OSAMU Aiba, SADAYUKI Yamada

B234 Basic characteristics of POE refrigeration oil for R290 Part 2

◯ KIMURA Takefumi (ENEOS Corporation), TAKAKI Tomohiro, KAWAGUCHI Masaki, MIZUTANI Yuya


Room C

C21 WS-5 Smart Heat Pump Technologies for Co-creating Sustainable Future Society 1 09:20 〜 10:20

Chairperson: KONO Kyoji (Waseda Univercity)

C211 【Keynote】Next generation heat pump technology
Toward smart heat pump technology

◯ SAITO Kiyoshi (WASEDA Univ.)


C22 WS-5 Smart Heat Pump Technologies for Co-creating Sustainable Future Society 2 10:40 〜 12:00

Chairperson: INNAMI Yukio (Waseda Univercity)

C221 Impact of Heat Pumps Using Renewable Energy as a Heat Source on the Energy Society

◯ MATSUDA Kenji (WASEDA Univ.), SAITO Kiyoshi

C222 A Discussion on the Roles of Future Heat Pumps from the Demand Side Perspective, part 4

◯ OKAMOTO Hiroaki (Jyukankyo Research Institute Inc.)

C223 Study of comprehensive evaluation index for home air conditioners
Identification of issues and implementation of sensitivity analysis

◯ NISHIMURA Kuniyuki (WASEDA Univ.), SAITO Kiyoshi

C224 Circular Economy Policy and Examples of Initiativesi in the Air Conditioning and Cold Chain Business for Panasonic

◯ MASARU Matsui (Panasonic)


C23 WS-5 Smart Heat Pump Technologies for Co-creating Sustainable Future Society 3 13:20 〜 14:40

Chairperson: KONO Kyoji (Waseda Univercity)

C231 【Panel Discussion】Considering the Future of Refrigerants in the Circular Economy

◯ KIYOSHI Saito (WASEDA Univ.)


Room D

D21 IS Advancement in HVAC&R Technologies in Asia 3 09:00 〜 10:20

Chairperson: FUKUDA Sho (Kyushu Sangyo University)

D211 Study on THM Coupling Effects in Closed-loop GSHP: Impacts of Thermal Pressurization and Borehole Decoupling on Long-term Operation

◯ LIN Rui-Chen (National Taiwan Normal University and Kyushu University), MIYAZAKI Takahiko (Kyushu Univ.), YEH En-Chao (National Taiwan Normal University)

D212 Investigation of UV Radiation for Defrosting Applications

◯ HU Ming-Hsuan (National Yang Ming Chiao Tung University), ZAMANIFARD Majid, WANG Chi-Chuan, MURUGAN Muneeshwaran (Oak Ridge National Laboratory), LIN Hao-Yu, NAWAZ Kashif

D213 Dynamic Analysis of a Double-Effect Adsorption Refrigeration System Using a Tetrabutylphosphonium Trifluoroacetate Ionic Liquid–Water as Refrigerant for Chilled Storage Applications

◎ CASTIL R Jundy (Tokyo University of Agriculture and Technology), TANAKA Hiromu, AKISAWA Atsushi

D214 Withdrawn

D22 OS-7 & IS Joint Session 1 10:40 〜 12:20

Chairperson: KANO Yuya (AIST)

D221 Thermodynamic Properties of Highly Asymmetric CO2/Oil-Surrogate Mixtures: A Critical Benchmark of Available Equations of State

◎ SCHNEEGANS Felix Marcel (TU Dresden), BREITKOPF Cornelia, JäGER Andreas

D222 Measurement of thermal conductivity of HFO-1123/HFC-32 binary mixture using transient hot wire method

◎ SABER Tachadduk Md. (Saga Univ.), HOIMONTEE Islam Taskira, MORSHED Monjur, AHMED Sayef, MATSUNAGA Takayoshi, KARIYA Keishi, MIYARA Akio

D223 CFD Analysis of Geometric and Integrated Part Load Value Performance of an R-1233zd Two-Stage Centrifugal Compressor

◯ KUO Chin-Chih (TSHRAE), HUNG Kuo-Shu (ITRI), KUAN Yean-Der (TSHRAE), LAI Yu-Jin (ITRI), HUANG Jeng-Min (National Chin-Yi University of Technology), LIN Jun-Jie (ITRI)

D224 Speed of Sound in Mixtures of Low-GWP Refrigerant R-1234yf with Polyol Ester (POE) and Polyvinyl Ether(PVE) Oils

◎ SAMEEN Isha (Kyushu Univ.), ITAIWI Alaa, MIYAZAKI Takahiko, HIRATSUKA Kengo (Mitsubishi Electric Corporation), FUJIWARA Tomoya, THU Kyaw (Kyushu Univ.)

D225 Measurement of Saturation Pressure and Speed of Sound at the Saturated Liquid State for R-1224yd(Z) and R-1336mzz(E)

◯ ITAIWI Alaa (Kyushu Univ.), SAMEEN Isha, MIYAZAKI Takahiko, HIGASHI Yukihiro, THU Kyaw


D23 IS Advancement in HVAC&R Technologies in Asia 4 13:20 〜 14:40

Chairperson: KANEDA Masayuki (Osaka Metropolitan University)

D231 Field-Calibrated XGBoost and Satellite Reanalysis Meteorology for Warm-Season Thermal Derating of a Bare Photovoltaic Module

◎ WANG Ching-Wei (National Kaohsiung Normal University), ZHENG Jia-Wei

D232 Experimental Validation and CFD Study of a Protruded-Plate Air-to-Air Heat Exchanger with Varying Reynolds Number and Protrusion Height

◯ LIU Yiming (Xi'an Jiaotong-Liverpool University), ZHANG Keliang, HIROKAWA Tomoki (University of Hyogo), QIAN Suxin (Xi’an Jiaotong Univ.), HUANG Long (Xi'an Jiaotong-Liverpool University)

D233 Study on the Influence of Lattice Fin Structure on Heat Transfer Performance

CHANG Tong-Bou (TSHRAE), ◯ TSAI Cheng-Yen, CAI Zhi-Cheng

D234 Experimental Study on Condensation Heat Transfer of R454C Refrigerant in a 4.7 mm ID Horizontal Smooth Tube

◎ QUROTUL AINI (Saga Univ.), YOKANAN GUSTINO DJENTOE, HAKIMATUL UBUDIYAH, KEISHI KARIYA, AKIO MIYARA


Room E

E21 WS-3 Ice, Water, and Steam: Properties and Their Industrial Applications 1 09:00 〜 10:20

Chairperson: MUROMACHI Sanehiro (Yokohama National University), AKASAKA Ryo (Kyushu Sangyo University)

E211 【Keynote】Studies on the nucleation mechanism of gas hydrates and development of the nucleation-promoting technology

◯ UCHIDA Tsutomu (Hokkadio University)

E212 Measurement of the Triple Point and Solid-Liquid Equilibrium Properties of Refrigerants

◯ KONDOU Chieko (Nagasaki Univ.)

E213 Building Environmental Management Based on the Physical Properties of Three-Phase Water

◯ KAGAWA Harumi (Kyushu Sangyo Univ.)


E22 WS-3 Ice, Water, and Steam: Properties and Their Industrial Applications 2 10:40 〜 12:20

Chairperson: ASAOKA Tasunori (Shinshu University), KAYUKAWA Yohei (AIST)

E221 【Keynote】Room-Temperature Thermoelectric Conversion Enabled by the Integration of Semiclathrate Hydrates and Electrochemistry

◯ MATSUI Yohei (CRIEPI)

E222 The analysis methods for shaved ice using the snow observation methods

◯ IMAMURA Koji (Miyashita Ice Co., Ltd.)

E223 Practical example of a slurry ice system
Contribution to maintaining the freshness and improving the quality of seafood

◯ IMAMURA Michiko (Kanadevia Engineering), KOBAYASHI Hiroki, SAGIYAMA Mitsuhiko

E224 Development of an Ice Slurry Beverage for Heat Illness Prevention

◯ SHOGO Mochizuki (Otsuka Pharmaceutical)


E23 GS General Session 1 13:20 〜 14:40

Chairperson: MATSUMOTO Ryosuke (Kansai University)

E231 Effect of Magnetic Flux Distribution around the Magnetic Circuit on Temperature Span Generation Behavior of an Active Magnetic Regenerator

◎ OGASAWARA Kusuke (Meiji Univ.), KAWANAMI Tsuyoshi

E232 Development study of a high-performance cryogenic vaporizer utilizing boiling heat transfer characteristics

◯ KIYOSUE Taiki (Shizuoka Univ.), FUKIBA Katsuyoshi

E233 Performance Evaluation of an Ejector Refrigeration Cycle Using an Ejector Designed Using a One-Dimensional Real Gas Model

◎ SEKIZUKA Shu (Tokyo Unversity of Marine Science and Technology), FUJITA Sho, KUNIYOSHI Nao, KOJIMA Mitsuo

E234 Study on Environmental Control and Reduction of Air Conditioning Load in Plant Factories with Artificial Light

◎ KIZAWA Rikuto (Osaka Metropolitan University), KINOSHITA Shinichi, YOSHIDA Atsumasa, KAGATA Kakeru (Osaka Institute of Technology)


Room F

F21 WS-1 The Challenge Toward a Hydrogen Society Starting in the Kansai Region 1 09:00 〜 10:20

Chairperson: YOSHIDA Atsumasa (Osaka Metropolitan University)

F211 【Keynote】Japan’s Recent Policy Developments on Hydrogen and Ammonia and the Initiatives of METI Kansai

◯ ATSUSHI Tsuji (METI-Kansai)

F212 Efforts to build an international liquefied hydrogen supply chain
Contribution to Decarbonization

◯ INOUE Kenji (Kawasaki Heavy Industries,Ltd.)

F213 Iwatani’s Initiatives for a Hydrogen Society and the Utilization of Liquid Hydrogen Cold Energy

◯ HIROTANI Ryuichi (Iwatani)


F22 WS-1 The Challenge Toward a Hydrogen Society Starting in the Kansai Region 2 10:40 〜 12:00

Chairperson: ASANO Hitoshi (Kobe University)

F221 【Keynote】Liquid Hydrogen Supply System and Open Laboratory of HyTec, KOBE UNIV.

◯ TAKEDA Minoru (Kobe Univ.)

F222 Paving the Way to Carbon Neutrality: Liquefied Hydrogen Pumps Powered by High-Temperature Superconducting Motors
An Innovative Drive System that Transforms Cryogenic Temperatures into a "Resource"

◎ KARASUDA Go (Torishima Pump Mfg. Co., Ltd.)

F223 Visualization and Measurement of Liquid Water Behaviors in PEFC

◯ ASANO Hitoshi (Kobe Univ.), MURAKAWA Hideki, SUGIMOTO Katsumi, SHIRASE Yuto (Univ. Yamanashi), SCHREIBER Christofer, DZRAMADO Eric, INUKAI Junji, ADACHI Hironori (Enomoto Corp.), NASU Mitsunori, ODAIRA Naoya (Kyoto Univ.), ITO Daisuke, SAITO Yasushi