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Kenneth M. Armijo
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Journal Articles

Review and Gap Analysis of Heliostat Components and Controls

Kenneth M. Armijo, Matthew Muller, Daniel Tsvankin, Dimitri Madden
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. December 2024, 146(6): 061010.
Paper No: SOL-23-1245
https://doi.org/10.1115/1.4065976
Published Online: November 19, 2024
View Article titled, Review and Gap Analysis of Heliostat Components and Controls
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Topics: Heliostats, Design, Mirrors
Proceedings Papers

Emissions Abatement of Pepper Roasting Utilizing a Concentrating Solar Tower Thermal Heat Source

Kenneth M. Armijo, Aaron Overacker, Hector Mendoza, Dimitri Madden, Daniel Ray, Luis Garcia-Maldonado, Kenneth I. Armijo, Randolph Montoya
Proc. ASME. ES2022, ASME 2022 16th International Conference on Energy Sustainability, V001T09A001, July 11–13, 2022
Publisher: American Society of Mechanical Engineers
Paper No: ES2022-81495
https://doi.org/10.1115/ES2022-81495
View Paper titled, Emissions Abatement of Pepper Roasting Utilizing a Concentrating Solar Tower Thermal Heat Source
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Topics: Emissions, Heat, Roasting (Metallurgy), Solar energy, Solar towers
Proceedings Papers

System Design of a 2.0 MW th Sodium/Molten Salt Pilot System

Kenneth M. Armijo, Matthew D. Carlson, Dwight S. Dorsey, Joshua M. Christian, Craig S. Turchi
Proc. ASME. ES2020, ASME 2020 14th International Conference on Energy Sustainability, V001T02A004, June 17–18, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ES2020-1622
https://doi.org/10.1115/ES2020-1622
View Paper titled, System Design of a 2.0 MW th Sodium/Molten Salt Pilot System
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Topics: Design, Sodium, Pumps, Heat exchangers, Alkali metals, Concentrating solar power, Flow (Dynamics), Fluids, Heat transfer, Heat transfer coefficients
Proceedings Papers

Optical Performance Modeling and Analysis of a Tensile Ganged Heliostat Concept

Julius Yellowhair, Charles E. Andraka, Kenneth M. Armijo, Jesus D. Ortega, Jim Clair
Proc. ASME. ES2019, ASME 2019 13th International Conference on Energy Sustainability, V001T03A013, July 14–17, 2019
Publisher: American Society of Mechanical Engineers
Paper No: ES2019-3933
https://doi.org/10.1115/ES2019-3933
View Paper titled, Optical Performance Modeling and Analysis of a Tensile Ganged Heliostat Concept
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Topics: Modeling, Cables, Mirrors, Shades and shadows, Motors, Stress, Wind, Design, Gravity (Force), Performance evaluation
Proceedings Papers

On-Sun Tracking Evaluation of a Small-Scale Tensile Ganged Heliostat Prototype

Julius Yellowhair, Kenneth M. Armijo, Jesus D. Ortega, Jim Clair
Proc. ASME. ES2019, ASME 2019 13th International Conference on Energy Sustainability, V001T03A014, July 14–17, 2019
Publisher: American Society of Mechanical Engineers
Paper No: ES2019-3935
https://doi.org/10.1115/ES2019-3935
View Paper titled, On-Sun Tracking Evaluation of a Small-Scale Tensile Ganged Heliostat Prototype
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Topics: Engineering prototypes, Cables, Degrees of freedom, Rotation, Actuators, Algorithms, Plates (structures), Screws
Proceedings Papers

Mechanical Modal Phenomena of a Ganged Heliostat

Kenneth M. Armijo, Jesus D. Ortega, Adam Moya, Joshua Christian, Gregory Peacock, Charles Andraka, Julius Yellowhair, Jim Clair
Proc. ASME. ES2017, ASME 2017 11th International Conference on Energy Sustainability, V001T05A014, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ES2017-3635
https://doi.org/10.1115/ES2017-3635
View Paper titled, Mechanical Modal Phenomena of a Ganged Heliostat
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Topics: Actuators, Cables, Computer software, Concentrating solar power, Deformation, Design, Errors, Finite element analysis, Gravity (Force), Mirrors
Journal Articles

Gravity-Assisted Heat Pipe With Strong Marangoni Fluid for Waste Heat Management of Single and Dual-Junction Solar Cells

Kenneth M. Armijo, Van P. Carey
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research-Article
J. Sol. Energy Eng. May 2013, 135(2): 021015.
Paper No: SOL-12-1011
https://doi.org/10.1115/1.4007937
Published Online: January 25, 2013
View Article titled, Gravity-Assisted Heat Pipe With Strong Marangoni Fluid for Waste Heat Management of Single and Dual-Junction Solar Cells
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Topics: Fluids, Gravity (Force), Heat pipes, Junctions, Solar cells, Solar energy, Temperature, Heat
Journal Articles

Impact of Microchannel Boundary Conditions and Porosity Variation on Diffusion Layer Saturation and Transport in Fuel Cells

Kenneth M. Armijo, Van P. Carey
Journal: Journal of Electrochemical Energy Conversion and Storage
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. August 2012, 9(4): 041008.
https://doi.org/10.1115/1.4006476
Published Online: June 15, 2012
View Article titled, Impact of Microchannel Boundary Conditions and Porosity Variation on Diffusion Layer Saturation and Transport in Fuel Cells
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Topics: Boundary-value problems, Gas diffusion layers, Porosity, Water, Oxygen, Drops, Fuel cells, Current density
Journal Articles

An Experimental Study of Heat Pipe Performance Using Binary Mixture Fluids That Exhibit Strong Concentration Marangoni Effects

Kenneth M. Armijo, Van P. Carey
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. September 2011, 3(3): 031003.
https://doi.org/10.1115/1.4004399
Published Online: August 10, 2011
View Article titled, An Experimental Study of Heat Pipe Performance Using Binary Mixture Fluids That Exhibit Strong Concentration Marangoni Effects
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Topics: Fluids, Heat pipes, Heat transfer, Water, Condensers (steam plant), Heat flux, Heat, Heat conduction, Critical heat flux
Proceedings Papers

An Experimental Study of Heat Pipe Performance Using Binary Mixture Fluids That Exhibit Strong Concentration Marangoni Effects

Kenneth M. Armijo, Van P. Carey
Proc. ASME. IHTC14, 2010 14th International Heat Transfer Conference, Volume 5, 459-467, August 8–13, 2010
Publisher: American Society of Mechanical Engineers
Paper No: IHTC14-23255
https://doi.org/10.1115/IHTC14-23255
View Paper titled, An Experimental Study of Heat Pipe Performance Using Binary Mixture Fluids That Exhibit Strong Concentration Marangoni Effects
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Topics: Fluids, Heat pipes, Water, Ethanol, Heat, Coolants, Heat flux, Heat transfer coefficients, Computer cooling, Condensers (steam plant)
Proceedings Papers

Impact of Microchannel Boundary Conditions on Gas Diffusion Layer Saturation and Transport in Fuel Cells

Kenneth M. Armijo, Van P. Carey
Proc. ASME. ICNMM2008, ASME 2008 6th International Conference on Nanochannels, Microchannels, and Minichannels, 1327-1334, June 23–25, 2008
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2008-62336
https://doi.org/10.1115/ICNMM2008-62336
View Paper titled, Impact of Microchannel Boundary Conditions on Gas Diffusion Layer Saturation and Transport in Fuel Cells
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Topics: Boundary-value problems, Fuel cells, Gas diffusion layers, Microchannels, Oxygen, Floods, Porous materials, Proton exchange membranes, Water, Drops