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Motoaki Utamura
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Proceedings Papers

Economics of Gas Turbine Inlet Air Cooling System for Power Enhancement

Motoaki Utamura, Yoshio Nishimura, Akira Ishikawa, Nobuo Ando
Proc. ASME. GT1996, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T10A031, June 10–13, 1996
Publisher: American Society of Mechanical Engineers
Paper No: 96-GT-516
https://doi.org/10.1115/96-GT-516
View Paper titled, Economics of Gas Turbine Inlet Air Cooling System for Power Enhancement
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Topics: Cooling systems, Economics , Gas turbines, Cooling, Thermal energy, Combustion, Cycles, Design, Energy / power systems, Energy conversion
Proceedings Papers

A New Gas Turbine Cycle for Economical Power Boosting

Motoaki Utamura, Isao Takehara, Nobuyuki Horii, Takaaki Kuwahara
Proc. ASME. TA1997, ASME 1997 Turbo Asia Conference, V001T06A002, September 30–October 2, 1997
Publisher: American Society of Mechanical Engineers
Paper No: 97-AA-142
https://doi.org/10.1115/97-AA-142
View Paper titled, A New Gas Turbine Cycle for Economical Power Boosting
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Topics: Cycles, Gas turbines, Water, Compressors, Evaporation, Cooling systems, Drops, Axial flow, Cooling, Cooling towers
Proceedings Papers

Estimation of the Operating Characteristics of the Adjustable Speed Gas Turbine Power Generation System During Partial Load Operation

Naoyuki Nagafuchi, Nariyoshi Kobayashi, Motoaki Utamura
Proc. ASME. GT2000, Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations, V002T04A024, May 8–11, 2000
Publisher: American Society of Mechanical Engineers
Paper No: 2000-GT-0173
https://doi.org/10.1115/2000-GT-0173
View Paper titled, Estimation of the Operating Characteristics of the Adjustable Speed Gas Turbine Power Generation System During Partial Load Operation
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Topics: Energy / power systems, Gas turbines, Stress, Control equipment, Inlet guide vanes, Thermal efficiency, Combustion chambers, Cycles, Fuels, Generators
Proceedings Papers

Demonstration of Supercritical CO 2 Closed Regenerative Brayton Cycle in a Bench Scale Experiment

Motoaki Utamura, Hiroshi Hasuike, Kiichiro Ogawa, Takashi Yamamoto, Toshihiko Fukushima, Toshinori Watanabe, Takehiro Himeno
Proc. ASME. GT2012, Volume 3: Cycle Innovations; Education; Electric Power; Fans and Blowers; Industrial and Cogeneration, 155-164, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-68697
https://doi.org/10.1115/GT2012-68697
View Paper titled, Demonstration of Supercritical CO 2 Closed Regenerative Brayton Cycle in a Bench Scale Experiment
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Topics: Brayton cycle, Carbon dioxide, Compressibility, Compressors, Gas turbines, Supercritical carbon dioxide, Turbines, Flow (Dynamics), Computational fluid dynamics, Design
Proceedings Papers

Test Plan and Preliminary Test Results of a Bench Scale Closed Cycle Gas Turbine With Super-Critical CO 2 as Working Fluid

Hiroshi Hasuike, Takashi Yamamoto, Toshihiko Fukushima, Toshinori Watanabe, Motoaki Utamura, Masanori Aritomi
Proc. ASME. GT2010, Volume 3: Controls, Diagnostics and Instrumentation; Cycle Innovations; Marine, 485-492, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-22171
https://doi.org/10.1115/GT2010-22171
View Paper titled, Test Plan and Preliminary Test Results of a Bench Scale Closed Cycle Gas Turbine With Super-Critical CO 2 as Working Fluid
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Topics: Carbon dioxide, Closed-cycle gas turbines, Compressors, Cycles, Fluids
Journal Articles

Thermodynamic Analysis of Part-Flow Cycle Supercritical CO 2 Gas Turbines

Motoaki Utamura
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. November 2010, 132(11): 111701.
https://doi.org/10.1115/1.4001052
Published Online: August 12, 2010
View Articletitled, Thermodynamic Analysis of Part-Flow Cycle Supercritical CO 2 Gas Turbines
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Topics: Cycles, Flow (Dynamics), Heat exchangers, Temperature, Thermal efficiency, Turbines, Compressors, Brayton cycle, Heat transfer, Carbon dioxide
Proceedings Papers

Thermodynamic Analysis of Part-Flow Cycle Supercritical CO 2 Gas Turbines

Motoaki Utamura
Proc. ASME. GT2008, Volume 2: Controls, Diagnostics and Instrumentation; Cycle Innovations; Electric Power, 423-430, June 9–13, 2008
Publisher: American Society of Mechanical Engineers
Paper No: GT2008-50151
https://doi.org/10.1115/GT2008-50151
View Paper titled, Thermodynamic Analysis of Part-Flow Cycle Supercritical CO 2 Gas Turbines
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Topics: Carbon dioxide, Cycles, Flow (Dynamics), Supercritical carbon dioxide closed-cycle gas turbines
Proceedings Papers

Thermal-Hydraulic Characteristics of Microchannel Heat Exchanger and Its Application to Solar Gas Turbines

Motoaki Utamura
Proc. ASME. GT2007, Volume 4: Turbo Expo 2007, Parts A and B, 287-294, May 14–17, 2007
Publisher: American Society of Mechanical Engineers
Paper No: GT2007-27296
https://doi.org/10.1115/GT2007-27296
View Paper titled, Thermal-Hydraulic Characteristics of Microchannel Heat Exchanger and Its Application to Solar Gas Turbines
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Topics: Carbon dioxide, Gas turbines, Heat exchangers, Microchannels, Pressure, Solar energy
Proceedings Papers

Carbon Dioxide Emission Analysis With Energy Payback Effect

Motoaki Utamura
Proc. ASME. GT2002, Volume 2: Turbo Expo 2002, Parts A and B, 721-727, June 3–6, 2002
Publisher: American Society of Mechanical Engineers
Paper No: GT2002-30448
https://doi.org/10.1115/GT2002-30448
View Paper titled, Carbon Dioxide Emission Analysis With Energy Payback Effect
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Topics: Carbon dioxide, Emissions, Hydropower, Photovoltaic cells, Carbon, Cycles, Energy sustainability, Exergy, Fossil fuels, Manufacturing
Proceedings Papers

Empirical Correlations for Predicting Key Performance Parameters Due to Inlet Fogging

Motoaki Utamura
Proc. ASME. GT2005, Volume 4: Turbo Expo 2005, 201-208, June 6–9, 2005
Publisher: American Society of Mechanical Engineers
Paper No: GT2005-68964
https://doi.org/10.1115/GT2005-68964
View Paper titled, Empirical Correlations for Predicting Key Performance Parameters Due to Inlet Fogging
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Topics: Cooling, Drops, Errors, Flow (Dynamics), Geometry, Separation (Technology), Sprays, Temperature, Water
Proceedings Papers

Some Alternative Technologies for Solar Thermal Power Generation

Motoaki Utamura, Yutaka Tamaura, Hiroshi Hasuike
Proc. ASME. ISEC2006, Solar Energy, 75-84, July 8–13, 2006
Publisher: American Society of Mechanical Engineers
Paper No: ISEC2006-99123
https://doi.org/10.1115/ISEC2006-99123
View Paper titled, Some Alternative Technologies for Solar Thermal Power Generation
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Topics: Cooling, Cycles, Design, Economics , Fluids, Gas turbines, Heat exchangers, Mirrors, Pressure, Ray tracing
Proceedings Papers

A Solar Gas Turbine Cycle With Super-Critical Carbon Dioxide as a Working Fluid

Motoaki Utamura, Yutaka Tamaura
Proc. ASME. GT2006, Volume 4: Cycle Innovations; Electric Power; Industrial and Cogeneration; Manufacturing Materials and Metallurgy, 329-335, May 8–11, 2006
Publisher: American Society of Mechanical Engineers
Paper No: GT2006-90864
https://doi.org/10.1115/GT2006-90864
View Paper titled, A Solar Gas Turbine Cycle With Super-Critical Carbon Dioxide as a Working Fluid
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Topics: Carbon dioxide, Cycles, Fluids, Gas turbines, Solar energy
Journal Articles

Carbon Dioxide Emission Analysis With Energy Payback Effect

Motoaki Utamura
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. April 2004, 126(2): 322–328.
https://doi.org/10.1115/1.1691442
Published Online: June 7, 2004
View Articletitled, Carbon Dioxide Emission Analysis With Energy Payback Effect
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Topics: Carbon, Emissions, Exergy, Manufacturing, Photovoltaic cells, Carbon dioxide, Renewable energy sources, Fossil fuels, Hydropower, Renewable energy