Sustainable Next Generation Refrigerating System Technology

Organizer: Hiroshi Maita (Hitachi.com), Hirofumi Daiguji (Tokyo University), Fumio Matsuoka (Heat Pump Laboratory)

2023/09/08 (Day 3 ), E室

Sustainable Next Generation Refrigerating System Technology 1 13:20 〜 14:40
Development of remote refrigerant leak detection system using machine learning The 1st Report - Detection Technology for Applied AC Systems without SC sensor - ◯ NODA Naoko (Daikin Industries, Ltd.), YAMADA Shohei, YOSHIMI Manabu, IWANA Issei, KASAHARA Shinichi
Heat pump technology of vending machines ◎ KOUNO Amane (FE), WATANABE Tadao
CO2 refrigerator equipped with large-sized Scroll and Rotary Compressors ◯ IKEDA Masaki (Mitsubishi Heavy Industries Air-Conditioning and Refrigerationcorporation), KAISE Masayoshi, KISHI Kentaro (Mitsubishi Heavy Industries Thermal Systems), HOTTA Yohei
Multilayered Vertical Duct-type Ventilation System for Heat Exchange and Air Purification Part 2: Effect of Duct Installation Direction on Heat Exchange Efficiency and Particle Removal Performance ◎ WANG Xin (MELCO), WANG Qi (Kyushu University), GOMYO Taisaku (MELCO), YOO Sung-Jun (Kyushu University), ITO Kazuhide

Sustainable Next Generation Refrigerating System Technology 2 15:00 〜 16:40
Study on Miscibility for Refrigerant and Behavior on Refrigeration cycle of Refrigeration Oil 2nd Report: Behavior of Refrigeration Oil on Slow Condtion ◯ NAKANO Ryoichi (JAPAN SUN OIL Company, Ltd.), SUZUKI Yoshinori, SAITO Rei
Realization of passive daytime radiative cooling materials whose temperature drop below the ambient temperature under direct sunlight and those social implementation ◯ OOHASHI Kenji (OSAKA GAS CO.,LTD.), SUGIMOTO Masayuki, OOSUGI Ryosuke, KOSAKA Tomoya (SPACECOOL Inc.), SUEMITSU Masahiro (OSAKA GAS CO.,LTD.)
Application of Low-GWP Refrigerants to Centrifugal Chillers and Development of Technologies for Higher Performance ◯ SHIMOKAWA Makoto (MTH), SUEMITSU Ryosuke, TOGANO Yoshie, YOKOYAMA akimasa, MATSUKURA Noriyuki
Numerical Study on Conditions for Causing Supercharging at the Second Cylinder in Two-stage Compressor ◯ SEKIYA Sachio (Hitachi, Ltd. R&D Group), KUBOTA Atsushi (Hitachi Global Life Solutions, Inc.), NONAKA Masayuki (Hitachi-Johnson Controls Air Conditioning, Inc), DAISAKA Hisashi, DAIGUJI Hirofumi (The University of Tokyo)
Analysis of heat transfer efficiency of low GWP refrigerant mixtures involving HFC32, HFO1234yf and CO2 for low-temperature applications ◎ NAKATSU Hideaki (Kyushu University), KAWAGITA Kanta, TAKATA Nobuo, THU Kyaw, MIYAZAKI Takahiko