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William J. Wepfer
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Proceedings Papers

Using Component Effectiveness for a More Comprehensive Analysis of High Temperature Fuel Cells

Comas L. Haynes, William J. Wepfer
Proc. ASME. IMECE98, Advanced Energy Systems, 181-187, November 15–20, 1998
Paper No: IMECE1998-0842
DOI: https://doi.org/10.1115/IMECE1998-0842
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Topics: Fuel cells, High temperature, Design, Entropy, Heat transfer, Power systems (Machinery), Simulation, Solid oxide fuel cells
Proceedings Papers

Enhancing Fuel Cell/Gas Turbine Hybrid Power Systems via Reduced Fuel Utilization Within Indirect Internally Reforming (IIR) Fuel Cell Stacks

Comas Haynes, William J. Wepfer
Proc. ASME. IMECE2000, Advanced Energy Systems, 311-328, November 5–10, 2000
Paper No: IMECE2000-1324
DOI: https://doi.org/10.1115/IMECE2000-1324
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Topics: Fuel cells, Fuels, Gas turbines, Hybrid power systems, Energy generation, Combustion, Design, Fire, Flow (Dynamics), Innovation
Proceedings Papers

A Solid Oxide Fuel Cell Radiation Model for the Mitigation of Temperature Gradients Using a Novel Geometric Design

Katherine M. Ong, Ivan A. Tibavinsky, William J. Wepfer, Comas L. Haynes
Proc. ASME. FUELCELL2012, ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology, 273-280, July 23–26, 2012
Paper No: FuelCell2012-91072
DOI: https://doi.org/10.1115/FuelCell2012-91072
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Topics: Design, Radiation (Physics), Solid oxide fuel cells, Temperature gradient, Failure, Emissions, Energy generation, Flow (Dynamics), Fuel cells, Gas turbines
Proceedings Papers

Transient Analysis of Thermal Transport During Start-Up of a Solid Oxide Fuel Cell in a Hybrid Arrangement

Dimitri O. Hughes, William J. Wepfer, Comas L. Haynes
Proc. ASME. IMECE2010, Volume 5: Energy Systems Analysis, Thermodynamics and Sustainability; NanoEngineering for Energy; Engineering to Address Climate Change, Parts A and B, 963-973, November 12–18, 2010
Paper No: IMECE2010-40763
DOI: https://doi.org/10.1115/IMECE2010-40763
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Topics: Solid oxide fuel cells, Transient analysis, Temperature, Air flow, Ceramics, Fuel cells, Gas turbines, Hardware, Simulation, Stress
Proceedings Papers

A Real-Time Spatial SOFC Model for Hardware-Based Simulation of Hybrid Systems

Dimitri Hughes, William J. Wepfer, Kevin Davies, J. Christopher Ford, Comas Haynes, David Tucker
Proc. ASME. FUELCELL2011, ASME 2011 9th International Conference on Fuel Cell Science, Engineering and Technology, 409-428, August 7–10, 2011
Paper No: FuelCell2011-54591
DOI: https://doi.org/10.1115/FuelCell2011-54591
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Topics: Hardware, Simulation, Solid oxide fuel cells, Gas turbines, Design, Heat, Coal, Current density, Energy generation, Feedback
Proceedings Papers

Economic Optimization of a Combined Heat and Power System for an Office Building

M. E. Douglas, Timothy C. Wagner, Michael K. Sahm, William J. Wepfer
Proc. ASME. ES2007, ASME 2007 Energy Sustainability Conference, 267-272, July 27–30, 2007
Paper No: ES2007-36189
DOI: https://doi.org/10.1115/ES2007-36189
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Topics: Cogeneration systems, Optimization, Thermal energy, Combined heat and power, Electrical efficiency, Waste heat, Stress, Electricity (Physics), Energy generation, Exhaust systems
Proceedings Papers

Economic Optimization of a Distributed Generation System for an Orifice Building

M. E. Douglas, Michael K. Sahm, William J. Wepfer
Proc. ASME. IMECE2006, Advanced Energy Systems, 415-420, November 5–10, 2006
Paper No: IMECE2006-15368
DOI: https://doi.org/10.1115/IMECE2006-15368
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Topics: Distributed power generation, Optimization, Natural gas, Piston engines, Microturbines, Combined heat and power, Design, Electric power generation, Fuels, Stress
Proceedings Papers

Hardware-Based Simulation of a Fuel Cell Turbine Hybrid Response to Imposed Fuel Cell Load Transients

Thomas P. Smith, Comas L. Haynes, William J. Wepfer, David Tucker, Eric A. Liese
Proc. ASME. IMECE2006, Advanced Energy Systems, 319-328, November 5–10, 2006
Paper No: IMECE2006-13978
DOI: https://doi.org/10.1115/IMECE2006-13978
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Topics: Fuel cells, Hardware, Simulation, Stress, Transients (Dynamics), Turbines, Gas turbines, Flow (Dynamics), Solid oxide fuel cells, Combustion
Journal Articles

Enhancing the Performance Evaluation and Process Design of a Commercial-Grade Solid Oxide Fuel Cell via Exergy Concepts

Comas Haynes, Assoc. Mem. Asme, William J. Wepfer, Fellow ASME
Journal: Journal of Energy Resources Technology
Article Type: Technical Papers
J. Energy Resour. Technol. June 2002, 124(2): 95–104.
DOI: https://doi.org/10.1115/1.1467647
Published Online: May 28, 2002
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Topics: Exergy, Fuel cells, Fuels, Pressure, Solid oxide fuel cells, Heat transfer, Process design, Performance evaluation, Temperature
Journal Articles

A Heat-Recovery System for Process Steam Industries

Richard A. Gaggioli, William J. Wepfer, Hsiu-H. Chen
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research Papers
J. Eng. Gas Turbines Power. October 1978, 100(4): 511–519.
DOI: https://doi.org/10.1115/1.3446387
Published Online: October 1, 1978
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Topics: Heat recovery, Steam, Boilers, Coal, Condensers (steam plant), Fuels, Design, Economic analysis, Electricity (Physics), Machinery