Technological Development in Heat Exchangers

Organizer
HAMAMOTO, Yoshinori (Kyushu Univ.), NAKAMURA, Hajime (National Defense Academy), HIROKAWA, Tomoki (Univ. of Hyogo)

2025/09/11 (Day 2 ), B室

Technological Development in Heat Exchangers 1 09:00 〜 10:40

【Keynote】Development of Innovative Heat Transport Devices for Next-Generation Heat Exchange Technologies

◯ FUMOTO Koji (Aoyama Gakuin Univ.)

Numerical investigation on performance improvement of finless heat exchangers using thin flat tubes

◯ ONISHI Hajime (Komatsu Univ.)

Experiment of pool boiling and falling film evaporation of R1234ze(E) on a horizontal microscopic-grooved tube

◎ YAMAMOTO Yuta (Tokyo Unversity of Marine Science and technology), YOKOTA Kazuki, JIGE Daisuke, INOUE Norihiro

Dropwise and filmwise condensation characteristics of moist air on vertical flat plate

◎ KUROSAWA Haruki (Yokohama National Univ.), NOZUE Shota, KUROSE Kizuku, WAKAZUKI Ryoto (Nippon Carrier), OKADA Masahiro

2025/09/11 (Day 2 ), B室

Technological Development in Heat Exchangers 2 11:00 〜 12:20

Experimental Study of Flow Boiling Characteristics in Wavy-Shaped Mini-Channel

◎ MOCHIZUKI Takeshi (The University of Electro-Communications), NISHIDA Kousaku (MAYEKAWA MFG.), AKADA Ikurou, ENOKI Koji (The University of Electro-Communications)

An experimental study on film boiling heat transfer and flow pattern of cryogenic fluids in a horizontal smooth tube

◯ SAITO Tsubasa (WASEDA Univ.), KIM CheolHwan, KIM Moojoong (KINKI UNIVERSITY), KOKUBU Shinsaku (TOKYO GAS), SAITO Kiyoshi (WASEDA Univ.)

Study on Effect of gravity on Void Fraction Characteristics Refrigerant Two-Phase Flow in a mini- Channel

◎ MARUYAMA Takuto (Kobe Univ.), SUGIMOTO Katsumi, ASANO Hitoshi

Measurement of heat transfer coefficient and optical observation of boiling behavior for R1336mzz(E) in a heating horizontal circular tube

◯ YAMADA Shunsuke (National Defense Academy), KASAI Akihiro, FUNAMI Yuki, NAKAMURA Hajime

2025/09/11 (Day 2 ), B室

Technological Development in Heat Exchangers 3 13:20 〜 15:00

Evaluation of boiling two-phase heat transfer of TPMS-structured heat exchangers fabricated by metal 3D additive manufacturing

◯ BABA Soumei (AIST), SAITO Shimpei, TAKADA Naoki

Thermal and Hydraulic Performance of Gyroid-Structured Heat Exchangers

◎ MIYATA Hajime (Univ. Hyogo), HIROKAWA Tomoki

Enhanced Pool Boiling Heat Transfer with Metal 3D Printed Porous Structures

◎ KOITO Kairi (The University of Electro-Communications), OKWIRI Aketch Lilian, MOCHIZUKI Takeshi, SAIWAI Toshihiko (Mitsubishi Materials Corporation), ORITO Kenji, KATO Jun, ENOKI Koji (The University of Electro-Communications)

Boiling Heat Transfer Enhancement on Multiscale Porous Structures Surfaces with Different Wettability

◎ WANG Chen-Kuang (National Chung Hsing University), LO Ching-wen

Evaluation of Gas Permeability in Polymeric Hollow Fibers for Heat Exchanger Applications

◯ ZHAO Peng (Kyushu Univ.), MIKSIK Frantisek (Nagoya Univ.), BARTULI Erik (Brno University of Technology), MAYEROVA Katerina, MIYAZAKI Takahiko (Kyushu Univ.), KAWAJIRI Yoshiaki (Nagoya Univ.), LONGAUER Jaroslav (Slovak Academy of Sciences), THU Kyaw (Kyushu Univ.)

2025/09/12 (Day 3 ), B室

Technological Development in Heat Exchangers 4 09:40 〜 10:40

Study on Heat Transfer and Flow Characteristics of Evaporating Flow in Parallel Mini-channels

◎ NAKAYAMA Yusei (Kobe Univ.), SIGA Kosuke, SUGIMOTO Katsumi, ASANO Hitishi

Numerical Simulation of Flow Instabilities in a Two-Phase Mechanical Pumped Loop with Parallel Evaporator Channels

◯ YAMAMOTO Himeko (Japan Aerospace Exploration Agency), DAIMON Yu, MIYAKITA Takeshi, SATO Koki, OKAZAKI Shun, OKAMOTO Atsushi

Experiment on Condensation Heat Transfer Characteristics of R474A in Parallel Minichannels

◎ NISHIZAKI Ayami (Tokyo Unversity of Marine Science and technology), NUMATA Natsimi, JIGE Daisuke, INOUE Norihiro

2025/09/12 (Day 3 ), B室

Technological Development in Heat Exchangers 5 11:00 〜 12:20

Study on the characteristics of mixed refrigerant-air heat exchangers

◯ KARIYA Keishi (Saga Univ.), SHOVON Md Khairul Bashar, SUGISAKI Yuki, GALICIA E Santiago, MIYARA Akio

Experimental Examination of Suppression of Heat Transfer Deterioration of Zeotropic Refrigerant Mixture by Micro Fins

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

Effect of Mixing Ratio on Wall Superheat at the Onset of Nucleate Boiling of Zeotropic Refrigerant Mixtures Composed of R32 and R1234yf

◎ TSUGITA Yosei (Kobe Univ.), SUGIMOTO Katsumi, ASANO Hitoshi

Development of partial counterflow heat exchanger for non-azeotropic refrigerant

◯ SATO Ken (Panasonic), SHIRAI Eiichi, SATO Keita

2025/09/12 (Day 3 ), B室

Technological Development in Heat Exchangers 6 13:20 〜 14:40

Ionic Liquids and Surface Modifications in Optimizing Falling Film Heat Transfer

◎ GAO Jia-Ping (National Chin-Yi University of Technology and TSHRAE), ZHENG Jia-Wei, WU Yu-Lieh

Development of Photothermal Superhydrophobic Surfaces Using Multi-Walled Carbon Nanotubes (MWCNTs)

◯ MOROZUMI Yuki (University of Fukui), FU DONGYU, ITO Yuta, KITAMURA Haruki, DANG Chaobin

Experimental Study of Droplet Evaporation Behavior on Hydrophobic Metal Surfaces

◯ ITO Yuta (University of Fukui), IMAI Shotaro, BANNO Ryota (Okuma corporation), DANG Chaobin (University of Fukui)

Frosting behavior and growth rate of the hydrophobic agent-coated flocked surfaces on heat exchanger

◎ QIN Xiawei (Kyushu Univ.), HAMAMOTO Yoshinori