Yasuhiro Ogi

Observation of CO2 Trans-Critical Expansion Process

Mitsuhiro Fukuta, Tadashi Yanagisawa, Masashi Higasiyama, 2008 .

Performance of Vane-Type CO2 Expander and Characteristics of Transcritical Expansion Process

Mitsuhiro Fukuta, Tadashi Yanagisawa, Yasuhiro Ogi, 2009 .

Performance of Scroll Expander for CO2 Refrigeration Cycle

Mitsuhiro Fukuta, Tadashi Yanagisawa, Yasuhiro Ogi, 2006 .

Refrigerant concentration measurement at compressor oil sump by refractive index (concentration of R410A in PVE oil)

Masahiro Ito, Mitsuhiro Fukuta, Tadashi Yanagisawa, 2010 .

Real-time measurement of mixing ratio of refrigerant/refrigeration oil mixture

Mitsuhiro Fukuta, Tadashi Yanagisawa, Yasuhiro Ogi, 2006 .

Concentration measurement of refrigerant/refrigeration oil mixture by refractive index

Mitsuhiro Fukuta, Tadashi Yanagisawa, Yasuhiro Ogi, 2004 .

Mixing and separation characteristics of isobutane with refrigeration oil

Mitsuhiro Fukuta, Tadashi Yanagisawa, Yasuhiro Ogi, 2005 .