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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

Paper No: IMECE1999-0861

DOI: https://doi.org/10.1115/IMECE1999-0861

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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

Paper No: 94-GT-059

DOI: https://doi.org/10.1115/94-GT-059

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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

Paper No: 96-GT-384

DOI: https://doi.org/10.1115/96-GT-384

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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

Paper No: 97-GT-173

DOI: https://doi.org/10.1115/97-GT-173

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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

Paper No: 98-GT-199

DOI: https://doi.org/10.1115/98-GT-199

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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

Paper No: 99-GT-128

DOI: https://doi.org/10.1115/99-GT-128

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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

J. Electrochem. En. Conv. Stor. December 2014, 11(6): 061006.

Paper No: FC-14-1061

DOI: https://doi.org/10.1115/1.4028948

Published Online: December 1, 2014

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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

Paper No: 2000-GT-0304

DOI: https://doi.org/10.1115/2000-GT-0304

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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

Paper No: 2001-GT-0411

DOI: https://doi.org/10.1115/2001-GT-0411

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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

Paper No: 2001-GT-0208

DOI: https://doi.org/10.1115/2001-GT-0208

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Topics: Cogeneration plants, Design, Gas turbines, Design methodology, Energy consumption, Flow (Dynamics), Linear programming, Optimization, Robustness, Tradeoffs

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

Paper No: GT2003-38375

DOI: https://doi.org/10.1115/GT2003-38375

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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

Paper No: GT2003-38381

DOI: https://doi.org/10.1115/GT2003-38381

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Topics: Cogeneration plants, Gas turbines, Optimization

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

Paper No: GT2003-38382

DOI: https://doi.org/10.1115/GT2003-38382

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Topics: Cogeneration systems, Microturbines, Optimization, Combined heat and power, Nonlinear equations

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

Paper No: GT2002-30484

DOI: https://doi.org/10.1115/GT2002-30484

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Topics: Cogeneration plants, Cooling, Gas turbines, Ice, Storage, Heat, Compression, Linear programming

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

Paper No: GT2004-53793

DOI: https://doi.org/10.1115/GT2004-53793

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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

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

Paper No: GT2004-53678

DOI: https://doi.org/10.1115/GT2004-53678

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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

Paper No: GT2004-53683

DOI: https://doi.org/10.1115/GT2004-53683

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Topics: Air conditioning, Cogeneration systems, Microturbines, Optimization, Flow (Dynamics), Numerical analysis, Performance characterization, Stress, Temperature

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

Paper No: GT2005-68392

DOI: https://doi.org/10.1115/GT2005-68392

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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

Paper No: PWR2005-50371

DOI: https://doi.org/10.1115/PWR2005-50371

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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

Paper No: GT2006-90611

DOI: https://doi.org/10.1115/GT2006-90611

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Topics: Cogeneration plants, Design, Gas turbines, Optimization, Performance evaluation

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