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Nathan Siegel
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Proceedings Papers

One-Dimensional, Transient Model of Heat, Mass, and Charge Transfer in a Proton Exchange Membrane

Brandon Eaton, Michael R. von Spakovsky, Michael W. Ellis, Douglas J. Nelson, Benoit Olsommer, Nathan Siegel
Proc. ASME. IMECE2001, Advanced Energy Systems, 429-440, November 11–16, 2001
Paper No: IMECE2001/AES-23652
DOI: https://doi.org/10.1115/IMECE2001/AES-23652
View Paper titled, One-Dimensional, Transient Model of Heat, Mass, and Charge Transfer in a Proton Exchange Membrane
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Topics: Charge transfer, Heat, Proton exchange membranes, Transients (Dynamics), Membranes, Protons, Water, Anodes, Fuel cells, Pressure gradient
Journal Articles

Where Do We Go From Here?

Nathan Siegel
Journal: Journal of Solar Energy Engineering
Article Type: Editorial
J. Sol. Energy Eng. April 2019, 141(2): 020301.
Paper No: SOL-18-1561
DOI: https://doi.org/10.1115/1.4042269
Published Online: January 9, 2019
View Article titled, Where Do We Go From Here?
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Topics: Astronomy, Collaboration, Electric vehicles, Energy storage, Engineers, Fracture toughness, Fuels, Materials science, Renewable energy, Risk
Journal Articles

Characterization of Particle Flow in a Free-Falling Solar Particle Receiver

Clifford K. Ho, Joshua M. Christian, David Romano, Julius Yellowhair, Nathan Siegel, Laura Savoldi, Roberto Zanino
Journal: Journal of Solar Energy Engineering
Article Type: Research-Article
J. Sol. Energy Eng. April 2017, 139(2): 021011.
Paper No: SOL-15-1312
DOI: https://doi.org/10.1115/1.4035258
Published Online: December 22, 2016
View Article titled, Characterization of Particle Flow in a Free-Falling Solar Particle Receiver
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Topics: Particulate matter, Flow (Dynamics)
Proceedings Papers

Characterization of Particle Flow in a Free-Falling Solar Particle Receiver

Clifford K. Ho, Joshua M. Christian, David Romano, Julius Yellowhair, Nathan Siegel
Proc. ASME. ES2015, Volume 1: Advances in Solar Buildings and Conservation; Climate Control and the Environment; Alternate Fuels and Infrastructure; ARPA-E; Combined Energy Cycles, CHP, CCHP, and Smart Grids; Concentrating Solar Power; Economic, Environmental, and Policy Aspects of Alternate Energy; Geothermal Energy, Harvesting, Ocean Energy and Other Emerging Technologies; Hydrogen Energy Technologies; Low/Zero Emission Power Plants and Carbon Sequestration; Micro and Nano Technology Applications and Materials, V001T05A013, June 28–July 2, 2015
Paper No: ES2015-49421
DOI: https://doi.org/10.1115/ES2015-49421
View Paper titled, Characterization of Particle Flow in a Free-Falling Solar Particle Receiver
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Topics: Particle flow, Particulate matter, Solar energy, Ceramics, Computer simulation, Concentrating solar power, Density, Flow (Dynamics), Fluids, Storage
Proceedings Papers

Freeze-Thaw Tests on Trough Receivers Employing a Molten Salt Working Fluid

Gregory Kolb, Clifford Ho, Brian Iverson, Timothy Moss, Nathan Siegel
Proc. ASME. ES2010, ASME 2010 4th International Conference on Energy Sustainability, Volume 2, 693-698, May 17–22, 2010
Paper No: ES2010-90040
DOI: https://doi.org/10.1115/ES2010-90040
View Paper titled, Freeze-Thaw Tests on Trough Receivers Employing a Molten Salt Working Fluid
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Topics: Accidents, Damage, Deformation, Fluids, Heat, Parabolic troughs, Reliability, Solar energy
Proceedings Papers

Reactive Structures for Two-Step Thermochemical Cycles Based on Non-Volatile Metal Oxides

Nathan Siegel, Richard Diver, James E. Miller, Terry Garino, Stephanie Livers
Proc. ASME. ES2009, ASME 2009 3rd International Conference on Energy Sustainability, Volume 2, 431-437, July 19–23, 2009
Paper No: ES2009-90093
DOI: https://doi.org/10.1115/ES2009-90093
View Paper titled, Reactive Structures for Two-Step Thermochemical Cycles Based on Non-Volatile Metal Oxides
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Topics: Cycles, Metals, Solar energy, Carbon dioxide, Temperature, Absorption, Chemical reactions, Convection, Ferrites (Magnetic materials), Heat
Proceedings Papers

Design and On-Sun Testing of a Solid Particle Receiver Prototype

Nathan Siegel, Greg Kolb
Proc. ASME. ES2008, ASME 2008 2nd International Conference on Energy Sustainability, Volume 2, 329-334, August 10–14, 2008
Paper No: ES2008-54090
DOI: https://doi.org/10.1115/ES2008-54090
View Paper titled, Design and On-Sun Testing of a Solid Particle Receiver Prototype
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Topics: Design, Engineering prototypes, Particulate matter, Testing, Solar energy, Absorption, Cavities, Cavity walls, Ceramics, Construction
Proceedings Papers

Solid Particle Receiver Flow Characerization Studies

Nathan Siegel, Greg Kolb, Kibum Kim, Vijayarangan Rangaswamy, Samir Moujaes
Proc. ASME. ES2007, ASME 2007 Energy Sustainability Conference, 877-883, July 27–30, 2007
Paper No: ES2007-36118
DOI: https://doi.org/10.1115/ES2007-36118
View Paper titled, Solid Particle Receiver Flow Characerization Studies
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Topics: Flow (Dynamics), Particulate matter, Heat, Particle flow, Solar energy, Absorption, Boundary-value problems, Cavities, Ceramics, Density
Proceedings Papers

Numerical Investigation on Optimal Design of Solid Particle Solar Receiver

Huajun Chen, Yitung Chen, Hsuan-Tsung Hsieh, Greg Kolb, Nathan Siegel
Proc. ASME. ES2007, ASME 2007 Energy Sustainability Conference, 971-979, July 27–30, 2007
Paper No: ES2007-36134
DOI: https://doi.org/10.1115/ES2007-36134
View Paper titled, Numerical Investigation on Optimal Design of Solid Particle Solar Receiver
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Topics: Design, Particulate matter, Solar energy, Absorption, Cavities, Solar radiation, Algorithms, Ceramics, Chemical reactions, Computation
Proceedings Papers

Central-Station Solar Hydrogen Power Plant

Gregory J. Kolb, Richard B. Diver, Nathan Siegel
Proc. ASME. ISEC2005, Solar Energy, 645-650, August 6–12, 2005
Paper No: ISEC2005-76052
DOI: https://doi.org/10.1115/ISEC2005-76052
View Paper titled, Central-Station Solar Hydrogen Power Plant
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Topics: Hydrogen, Power stations, Solar energy, Cycles, Particulate matter, Solar power, Flow (Dynamics), High temperature, Solar heating, Stability
Proceedings Papers

CFD Modeling of Gas Particle Flow Within a Solid Particle Solar Receiver

Huajun Chen, Yitung Chen, Hsuan-Tsung Hsieh, Nathan Siegel
Proc. ASME. ISEC2006, Solar Energy, 37-48, July 8–13, 2006
Paper No: ISEC2006-99044
DOI: https://doi.org/10.1115/ISEC2006-99044
View Paper titled, CFD Modeling of Gas Particle Flow Within a Solid Particle Solar Receiver
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Topics: Computational fluid dynamics, Modeling, Particle flow, Particulate matter, Solar energy, Flow (Dynamics), Heat transfer, Solar radiation, Absorption, Algorithms
Proceedings Papers

Transient Model of Heat, Mass, and Charge Transfer as Well as Electrochemistry in the Cathode Catalyst Layer of a PEMFC

Daniel B. Genevey, Michael R. von Spakovsky, Michael W. Ellis, Douglas J. Nelson, Benoiˆt Olsommer, Fre´de´ric Topin, Nathan Siegel
Proc. ASME. IMECE2002, Advanced Energy Systems, 393-406, November 17–22, 2002
Paper No: IMECE2002-33322
DOI: https://doi.org/10.1115/IMECE2002-33322
View Paper titled, Transient Model of Heat, Mass, and Charge Transfer as Well as Electrochemistry in the Cathode Catalyst Layer of a PEMFC
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Topics: Catalysts, Charge transfer, Electrochemistry, Heat, Proton exchange membrane fuel cells, Transients (Dynamics), Membranes, Platinum, Polymers, Water
Journal Articles

Computational Fluid Dynamics Modeling of Gas-Particle Flow Within a Solid-Particle Solar Receiver

Huajun Chen, Yitung Chen, Hsuan-Tsung Hsieh, Nathan Siegel
Journal: Journal of Solar Energy Engineering
Article Type: Research Papers
J. Sol. Energy Eng. May 2007, 129(2): 160–170.
DOI: https://doi.org/10.1115/1.2716418
Published Online: August 25, 2006
View Article titled, Computational Fluid Dynamics Modeling of Gas-Particle Flow Within a Solid-Particle Solar Receiver
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Topics: Flow (Dynamics), Particulate matter, Solar energy, Particle size, Temperature, Computational fluid dynamics
Journal Articles

Central-Station Solar Hydrogen Power Plant

Gregory J. Kolb, Richard B. Diver, Nathan Siegel
Journal: Journal of Solar Energy Engineering
Article Type: Research Papers
J. Sol. Energy Eng. May 2007, 129(2): 179–183.
DOI: https://doi.org/10.1115/1.2710246
Published Online: April 13, 2006
View Article titled, Central-Station Solar Hydrogen Power Plant
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Topics: Cycles, Hydrogen, Particulate matter, Solar energy, Thermal energy storage, Flow (Dynamics), Power stations