OS-8 Present Status and Future Development of Compressors

Organizer
ANAMI, Keiko (Osaka Electro-Communication Univ.), MOTOZAWA, Masaaki (Shizuoka Univ.)

2026/09/03 (Day 2 ), Room B

OS-8 Present Status and Future Development of Compressors 1 13:20 〜 14:40
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
Investigation of a Compressor Efficiency Measurement Method for Refrigeration Oil Evaluation

◎ KIMURA Ken (ENEOS Corporation), TAKAKI Tomohiro, KAWAGUCHI Masaki, SAKAMOTO Shouta, YOSHIMOTO Yasunori
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
Basic characteristics of POE refrigeration oil for R290 Part 2

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

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

OS-8 Present Status and Future Development of Compressors 2 09:00 〜 10:40
【Keynote】Property measurements of refrigeration oil/refrigerant mixture
for better understanding of refrigerant compressors

◯ FUKUTA Mitsuhiro (Shizuoka Univ.)
Analysis of Trajectories of Crankshaft and Crankpin Centers Due to Oil Film Pressure between Scroll Wraps (Effect of Initial Gap between Scroll Wraps)

◎ MUTO Taichi (Osaka Electro-Communication Univ.), NOMA Kengo (Daikin Industries), MAYUMI Yuki (Osaka Electro-Communication Univ.), TAKEDA Jin (Daikin Industries), SATA Kenichi, DEGUCHI Ryohei, NISHIMURA Kosuke, MORIMOTO Takashi, FUKUDA Akinori, ANAMI Keiko (Osaka Electro-Communication Univ.)
Dissolution Behavior of Refrigerant at the Oil Interface under Increasing Pressure

◎ MIURA Shuma (Shizuoka Univ.), FUKUTA Mitsuhiro, MOTOZAWA Masaaki, ATOBE Shohei (Carrier Japan)
Evaluation of a New PVE Refrigeration Lubricant for the Next-Generation Refrigerant R474B

◯ NAKAMURA Shuya (Idemitsu Kosan), MATSUMOTO Tomoya, KITA Shota

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

OS-8 Present Status and Future Development of Compressors 3 11:00 〜 12:40
Experimental Evaluation of Lubricating Oil Backflow at a Branch Section of Low-Pressure Pipe in an Automotive Refrigeration Cycle

◎ KOARASHI Takuma (Shizuoka Univ.), FUKUTA Mitsuhiro, MOTOZAWA Masaaki
Flow Phenomenon Analysis Inside an Air-Conditioning Compressor Using Large-Scale High-Resolution Simulation

◯ KAWABATA Shinichi (Daikin Industries), SANO Satoki (Instiute of Science Tokyo), NAGASAKI Takao, KATAYAMA Tatsuya (Daikin Industries), AOKI Takayuki (Instiute of Science Tokyo)
Large-Scale Multiphase Flow Simulation of the Oil Discharge Process in an Air-Conditioning Compressor

◯ KATAYAMA Tatsuya (Daikin Industries), SANO Satoki (Instiute of Science Tokyo), NAGASAKI Takao, KAWABATA Shinichi (Daikin Industries), AOKI Takayuki (Instiute of Science Tokyo)
Fundamental study on an optical measurement technique for flow rate of lubricant droplets in a discharge pipe of air-conditioning compressor

◯ ZAMA Yoshio (Gunma University), SEJIMA Shugo (Daikin Industries), KATAYAMA Tatsuya, FURUSHO Kazuhiro
Finite Element Simulation-Based Fracture Failure Analysis and Optimization Design of Compressor

◯ XU Jiajie (Guangdong Meizhi Compressor Company), PAN Wen, HUANG Jian, LIAO Jiansheng, ZHANG Hao