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Proceedings Papers

Optimal Capacity Planning of a Brewery’s Energy Supply Plant Using its Simulation Model Based on LabVIEW

Takashi Shiba, Koichi Ito, Ryohei Yokoyama, Shigeru Sakashita
Proc. ASME. IMECE99, Advanced Energy Systems, 497-504, November 14–19, 1999
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1999-0861
https://doi.org/10.1115/IMECE1999-0861
View Paper titled, Optimal Capacity Planning of a Brewery’s Energy Supply Plant Using its Simulation Model Based on LabVIEW
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Topics: Industrial capacity, Simulation models, Economics , Thermal energy storage, Linear programming
Proceedings Papers

Effect of Steam Injected Gas Turbines on the Unit Sizing of a Cogeneration Plant

Koichi Ito, Ryohei Yokoyama, Yoshikazu Matsumoto
Proc. ASME. GT1994, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T11A003, June 13–16, 1994
Publisher: American Society of Mechanical Engineers
Paper No: 94-GT-059
https://doi.org/10.1115/94-GT-059
View Paper titled, Effect of Steam Injected Gas Turbines on the Unit Sizing of a Cogeneration Plant
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Topics: Cogeneration plants, Gas turbines, Steam, Cooling, Cycles, Machinery, Optimization, Thermal energy
Proceedings Papers

Optimal Planning of a Super Waste Incineration Cogeneration Plant

Koichi Ito, Ryohei Yokoyama, Makoto Shimoda
Proc. ASME. GT1996, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T11A009, June 10–13, 1996
Publisher: American Society of Mechanical Engineers
Paper No: 96-GT-384
https://doi.org/10.1115/96-GT-384
View Paper titled, Optimal Planning of a Super Waste Incineration Cogeneration Plant
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Topics: Cogeneration plants, Cycles, Gas turbines, Steam turbines
Proceedings Papers

Optimal Operation of a Gas Turbine Cogeneration Plant in Consideration of Equipment Startup/Shutdown Cost

Ryohei Yokoyama, Koichi Ito
Proc. ASME. GT1997, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T11A003, June 2–5, 1997
Publisher: American Society of Mechanical Engineers
Paper No: 97-GT-173
https://doi.org/10.1115/97-GT-173
View Paper titled, Optimal Operation of a Gas Turbine Cogeneration Plant in Consideration of Equipment Startup/Shutdown Cost
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Topics: Cogeneration plants, Gas turbines, Algorithms, Central heating, Computation, Cooling, Flow (Dynamics), Linear programming
Proceedings Papers

Analysis of Cooperation Between Central Power Utility and Dispersed Cogeneration Systems Through Time-of-Use Pricing

Ryohei Yokoyama, Koichi Ito
Proc. ASME. GT1998, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T11A003, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-199
https://doi.org/10.1115/98-GT-199
View Paper titled, Analysis of Cooperation Between Central Power Utility and Dispersed Cogeneration Systems Through Time-of-Use Pricing
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Topics: Cogeneration systems, Combined heat and power, Computer programming, Stress, Design, Energy generation
Proceedings Papers

Robust Optimal Design of a Gas Turbine Cogeneration Plant Based on Minimax Regret Criterion

Ryohei Yokoyama, Koichi Ito
Proc. ASME. GT1999, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T03A005, June 7–10, 1999
Publisher: American Society of Mechanical Engineers
Paper No: 99-GT-128
https://doi.org/10.1115/99-GT-128
View Paper titled, Robust Optimal Design of a Gas Turbine Cogeneration Plant Based on Minimax Regret Criterion
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Topics: Cogeneration plants, Design, Gas turbines, Uncertainty, Design methodology, Flow (Dynamics), Linear programming, Optimization
Journal Articles

Energy-Saving Evaluation of SOFC Cogeneration Systems With Solar Cell and Battery

Akira Yoshida, Koichi Ito, Yoshiharu Amano
Journal: Journal of Electrochemical Energy Conversion and Storage
Publisher: ASME
Article Type: Research-Article
J. Electrochem. En. Conv. Stor. December 2014, 11(6): 061006.
Paper No: FC-14-1061
https://doi.org/10.1115/1.4028948
Published Online: December 1, 2014
View Article titled, Energy-Saving Evaluation of SOFC Cogeneration Systems With Solar Cell and Battery
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Topics: Solid oxide fuel cells
Proceedings Papers

Evaluation of Operational Performance of a Gas Turbine Cogeneration Plant With Intake Air Cooled by Ice Storage

Ryohei Yokoyama, Koichi Ito
Proc. ASME. GT2000, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T03A006, May 8–11, 2000
Publisher: American Society of Mechanical Engineers
Paper No: 2000-GT-0304
https://doi.org/10.1115/2000-GT-0304
View Paper titled, Evaluation of Operational Performance of a Gas Turbine Cogeneration Plant With Intake Air Cooled by Ice Storage
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Topics: Cogeneration plants, Gas turbines, Ice, Storage, Cooling, Central heating, Compression, Linear programming, Temperature
Proceedings Papers

Economic Feasibility Study of Micro Gas Turbine Cogeneration Systems by an Optimization Approach

Satoshi Gamou, Katsuhiro Joko, Ryohei Yokoyama, Koichi Ito
Proc. ASME. GT2001, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T03A013, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0411
https://doi.org/10.1115/2001-GT-0411
View Paper titled, Economic Feasibility Study of Micro Gas Turbine Cogeneration Systems by an Optimization Approach
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Topics: Cogeneration systems, Micro gas turbines, Optimization, Combined heat and power, Structures
Proceedings Papers

Multiobjective Robust Optimal Design of a Gas Turbine Cogeneration Plant Under Uncertain Energy Demands

Ryohei Yokoyama, Koichi Ito
Proc. ASME. GT2001, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T03A003, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0208
https://doi.org/10.1115/2001-GT-0208
View Paper titled, Multiobjective Robust Optimal Design of a Gas Turbine Cogeneration Plant Under Uncertain Energy Demands
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Topics: Cogeneration plants, Design, Gas turbines, Design methodology, Energy consumption, Flow (Dynamics), Linear programming, Optimization, Robustness, Tradeoffs
Proceedings Papers

Parametric Study on Economic Feasibility of Microturbine Cogeneration Systems by an Optimization Approach

Satoshi Gamou, Koichi Ito, Ryohei Yokoyama
Proc. ASME. GT2003, Volume 2: Turbo Expo 2003, 779-786, June 16–19, 2003
Publisher: American Society of Mechanical Engineers
Paper No: GT2003-38382
https://doi.org/10.1115/GT2003-38382
View Paper titled, Parametric Study on Economic Feasibility of Microturbine Cogeneration Systems by an Optimization Approach
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Topics: Cogeneration systems, Microturbines, Optimization, Combined heat and power, Nonlinear equations
Proceedings Papers

Robust Optimal Design in Multistage Expansion of a Gas Turbine Cogeneration Plant Under Uncertain Energy Demands

Ryohei Yokoyama, Koichi Ito, Tatsuhiro Murata
Proc. ASME. GT2003, Volume 2: Turbo Expo 2003, 759-768, June 16–19, 2003
Publisher: American Society of Mechanical Engineers
Paper No: GT2003-38375
https://doi.org/10.1115/GT2003-38375
View Paper titled, Robust Optimal Design in Multistage Expansion of a Gas Turbine Cogeneration Plant Under Uncertain Energy Demands
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Topics: Cogeneration plants, Design, Gas turbines
Proceedings Papers

Evaluation of Operational Performance of Gas Turbine Cogeneration Plants Using an Optimization Tool: OPS-Operation

Ryohei Yokoyama, Koichi Ito
Proc. ASME. GT2003, Volume 2: Turbo Expo 2003, 769-778, June 16–19, 2003
Publisher: American Society of Mechanical Engineers
Paper No: GT2003-38381
https://doi.org/10.1115/GT2003-38381
View Paper titled, Evaluation of Operational Performance of Gas Turbine Cogeneration Plants Using an Optimization Tool: OPS-Operation
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Topics: Cogeneration plants, Gas turbines, Optimization
Proceedings Papers

Effect of Inlet Air Cooling by Ice Storage on Unit Sizing of a Gas Turbine Cogeneration Plant

Ryohei Yokoyama, Koichi Ito
Proc. ASME. GT2002, Volume 4: Turbo Expo 2002, Parts A and B, 335-342, June 3–6, 2002
Publisher: American Society of Mechanical Engineers
Paper No: GT2002-30484
https://doi.org/10.1115/GT2002-30484
View Paper titled, Effect of Inlet Air Cooling by Ice Storage on Unit Sizing of a Gas Turbine Cogeneration Plant
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Topics: Cogeneration plants, Cooling, Gas turbines, Ice, Storage, Heat, Compression, Linear programming
Proceedings Papers

Optimal Design of Gas Turbine Cogeneration Plants in Consideration of Discreteness of Equipment Capacities

Ryohei Yokoyama, Koichi Ito
Proc. ASME. GT2004, Volume 4: Turbo Expo 2004, 593-601, June 14–17, 2004
Publisher: American Society of Mechanical Engineers
Paper No: GT2004-53678
https://doi.org/10.1115/GT2004-53678
View Paper titled, Optimal Design of Gas Turbine Cogeneration Plants in Consideration of Discreteness of Equipment Capacities
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Topics: Cogeneration plants, Design, Gas turbines, Linear programming, Optimization
Proceedings Papers

Optimal Operational Planning of Cogeneration Systems With Microturbine and Desiccant Air-Conditioning Units

Satoshi Gamou, Koichi Ito, Ryohei Yokoyama
Proc. ASME. GT2004, Volume 4: Turbo Expo 2004, 603-611, June 14–17, 2004
Publisher: American Society of Mechanical Engineers
Paper No: GT2004-53683
https://doi.org/10.1115/GT2004-53683
View Paper titled, Optimal Operational Planning of Cogeneration Systems With Microturbine and Desiccant Air-Conditioning Units
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Topics: Air conditioning, Cogeneration systems, Microturbines, Optimization, Flow (Dynamics), Numerical analysis, Performance characterization, Stress, Temperature
Proceedings Papers

Analysis of Optimal Unit Numbers and Sizes for Microturbine Cogeneration Systems

Satoshi Gamou, Koichi Ito, Ryohei Yokoyama
Proc. ASME. GT2004, Volume 4: Turbo Expo 2004, 665-671, June 14–17, 2004
Publisher: American Society of Mechanical Engineers
Paper No: GT2004-53793
https://doi.org/10.1115/GT2004-53793
View Paper titled, Analysis of Optimal Unit Numbers and Sizes for Microturbine Cogeneration Systems
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Topics: Cogeneration systems, Microturbines, Combined heat and power, Optimization, Exhaust systems, Heat recovery, Linear programming, Natural gas, Public utilities
Proceedings Papers

Thermoeconomic Analysis and Optimization of a Gas Turbine Cogeneration Unit by a Systems Approach

Ryohei Yokoyama, Shinsuke Takeuchi, Koichi Ito
Proc. ASME. GT2005, Volume 4: Turbo Expo 2005, 127-133, June 6–9, 2005
Publisher: American Society of Mechanical Engineers
Paper No: GT2005-68392
https://doi.org/10.1115/GT2005-68392
View Paper titled, Thermoeconomic Analysis and Optimization of a Gas Turbine Cogeneration Unit by a Systems Approach
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Topics: Combined heat and power, Cycles, Gas turbines, Modeling, Newton's method, Nonlinear programming, Optimization, Thermoeconomics
Proceedings Papers

An Optimal Renewal Planning of Energy Supply System From Economic Viewpoint

Shu Yoshida, Satoshi Gamou, Koichi Ito, Toshinori Enokido, Ryohei Yokoyama
Proc. ASME. POWER2005, ASME 2005 Power Conference, 1477-1483, April 5–7, 2005
Publisher: American Society of Mechanical Engineers
Paper No: PWR2005-50371
https://doi.org/10.1115/PWR2005-50371
View Paper titled, An Optimal Renewal Planning of Energy Supply System From Economic Viewpoint
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Topics: Boilers, Construction, Natural gas, Public utilities, Structures
Proceedings Papers

Performance Evaluation of Gas Turbine Cogeneration Plants Using a Design Optimization Tool: OPS-Design

Ryohei Yokoyama, Koichi Ito
Proc. ASME. GT2006, Volume 4: Cycle Innovations; Electric Power; Industrial and Cogeneration; Manufacturing Materials and Metallurgy, 713-722, May 8–11, 2006
Publisher: American Society of Mechanical Engineers
Paper No: GT2006-90611
https://doi.org/10.1115/GT2006-90611
View Paper titled, Performance Evaluation of Gas Turbine Cogeneration Plants Using a Design Optimization Tool: OPS-Design
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Topics: Cogeneration plants, Design, Gas turbines, Optimization, Performance evaluation