Technological Development in Heat Exchangers

Organizer
Chieko Kondou(Nagasaki University), Koji Enoki(The University of Electro-Communications), Hajime Onishi(Kanazawa University)

2021/09/10 (Day 3 ), B室

Technological Development in Heat Exchangers 1 09:30 〜 11:10
Improvement of Multilayer Distributor for Flat Tube Heat Exchangers

◯ TAKAHASHI ATSUSHI (Mitsubishi Electric Corporation), YANACHI SATORU, KATO YOHEI
Gas-Liquid Distributions of Refrigerant Flows in Multi-pass Channels with Vertical Headers
Attempt to improve uniformity of liquid distribution

◎ SAWAHARA Fuuka (Mie University), ONODERA Ayumi (Toshiba Carrier), HATADA Takafumi, HIROTA Masafumi (Mie University), MARUYAMA Naoki, NISHIMURA Akira
Study on controlling flow rate distribution by changing the shape of the inlet header of a heat exchanger with parallel wavy mini-channels

◎ MITARAI Haruki (UEC), ANJIKI Kota, ENOKI Koji, NISHIDA Kosaku (MAYEKAWA), AKADA Ikuro
Study on relationship between heat transfer characteristics and physical properties on the heating surface of refrigerant mixtures

◎ FUKUJU Riku (UEC), KANNO Itsuki, ENOKI Koji, SAITO Kiyoshi (WU)
Freezing-point depression of new refrigerant mixture for low temperature application

◎ NAKAMURA Takumu (Nagasaki Univ.), FUDO Yushin, BUSBY S Ryutaro, KOHEI Miyoshi, CHIEKO Kondou

2021/09/10 (Day 3 ), B室

Technological Development in Heat Exchangers 2 11:30 〜 12:50
The Effect of the Copper Oxidation on the Subcooled Flow Boiling Heat Transfer

◎ EDGAR Santiago Galicia (UEC), OTOMO Yusuke, ENOKI Koji
Method for improving air-side heat transfer and the characteristics of pressure drop with metal sintered porous body

◎ WATANABE Ren (UEC), KATAGI Yuto, ENOKI Koji, ORITO Kenji (MMC), TAKITA Kenji, SAIWAI Toshihiko
Attempt to Simultaneously Measure a Boiling Behavior and a Heat Transfer Fluctuation through a Window Material

◎ YOSHIDA Masaki (National Defense Academy), YAMADA Shunsuke, FUNAMI Yuki, NAKAMURA Hajime
Effects of Diameter on Condensation Heat Transfer inside Horizontal Smooth and Microfin Tubes

◯ UBUDIYAH Hakimatul (Saga University), MAINIL Kurniawan Afdhal, SAKAMOTO Naoki, KARIYA Keishi, MIYARA Akio

2021/09/10 (Day 3 ), B室

Technological Development in Heat Exchangers 3 13:30 〜 15:10
Study of turbulent frictional resistance on irregular rough surfaces

◯ KAWAGUCHI Yasuo (TUS)
Effect of mass flux on two-phase frictional pressure drop of refrigerant flowing in mini-channel

◎ YOKOTANI Yuta (Fukuoka University), OKURA Hirofumi, MIYATA Kazushi, TAKAO Korai
Thermal performance evaluation of ceiling radiant panels applying microchannel heat exchangers

OHARA Tomoya (Hokkaido University), ◯ KATSURA Takao, NAGANO Katsunori, RADWAN Ali (Mansoura University)
Study on variable flow channel oscillating heat pipe

◎ SASAKI Kodai (University of Fukui), TAKAYAMA Akiho (The University of Tokyo), DANG Chaobin (University of Fukui)

2021/09/10 (Day 3 ), B室

Technological Development in Heat Exchangers 4 15:30 〜 17:10
Experiment on local heat transfer characteristics of falling liquid film evaporation

◎ NAKAMURA Rintaro (TUMSAT), MURATA Yasuhiro, AKADA Ikuro, JIGE Daisuke, INOUE Norihiro
Visualization and geometric analysis of gas-liquid two-phase flow in a horizontal circular tube

◎ SANO Hana (Waseda University), TOKURA Daiki, YAMAGUCHI Seiichi, SAITO Kiyoshi
Void Fraction Characteristics of Condensing Flows in Horizontal Small Diameter Triangular Channel

AKIYAMA Makoto (Kobe Univ.), ASANO Tomonori (Noritz), ◯ ASANO Hitoshi (Kobe Univ.), MARUYAMA Kazuhisa (Noritz), EDA Akito
Suppression of heat transfer deterioration of falling film evaporation at low film flow rate by increasing nucleation site density

◎ UBARA Tsutomu (Kobe Univ.), SAWATARI Kazuya, SUGIMOTO Katsumi, ASANO Hitoshi
Void Fraction Measurement of R32 in Macro Tube with QCV and Capacitance Method

◯ KOMEDA Kanta (Waseda university), KIM MooJoong, JEONG Jongsoo, SAITO Kiyoshi