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Jesus D. Ortega
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Journal Articles

The Application of a Non-Intrusive Methodology to Estimate Particle Egress Rate and Advective Heat Losses of a Falling Particle Receiver During On-Sun Tests

Jesus D. Ortega, Clifford K. Ho, Guillermo Anaya, Peter Vorobieff, Gowtham Mohan
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. August 2024, 146(4): 041011.
Paper No: SOL-22-1243
https://doi.org/10.1115/1.4064111
Published Online: May 15, 2024
View Article titled, The Application of a Non-Intrusive Methodology to Estimate Particle Egress Rate and Advective Heat Losses of a Falling Particle Receiver During On-Sun Tests
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Topics: Particulate matter, Temperature, Heat losses
Journal Articles

A Non-Intrusive Particle Temperature Extraction Methodology Using Infrared and Visible-Image Sequences for High-Temperature Particle Plumes

Jesus D. Ortega, Clifford K. Ho, Guillermo Anaya, Peter Vorobieff, Gowtham Mohan
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. August 2023, 145(4): 041010.
Paper No: SOL-22-1032
https://doi.org/10.1115/1.4055703
Published Online: January 27, 2023
View Article titled, A Non-Intrusive Particle Temperature Extraction Methodology Using Infrared and Visible-Image Sequences for High-Temperature Particle Plumes
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Topics: Particulate matter, Temperature, Plumes (Fluid dynamics)
Journal Articles

Bulk Velocity and Mass Flowrate Estimation of Particle Plumes Through Particle Image Velocimetry Analysis of Thermogram Sequences

Jesus D. Ortega, Guillermo Anaya, Clifford K. Ho, Peter Vorobieff, Gowtham Mohan
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. August 2023, 145(4): 041007.
Paper No: SOL-22-1036
https://doi.org/10.1115/1.4054358
Published Online: January 17, 2023
View Article titled, Bulk Velocity and Mass Flowrate Estimation of Particle Plumes Through Particle Image Velocimetry Analysis of Thermogram Sequences
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Topics: Particulate matter, Plumes (Fluid dynamics), Temperature
Proceedings Papers

A Non-Intrusive Particle Temperature Measurement Methodology Using Thermogram and Visible-Light Image Sets

Jesus D. Ortega, Guillermo Anaya, Clifford K. Ho, Peter Vorobieff, Gowtham Mohan
Proc. ASME. ES2022, ASME 2022 16th International Conference on Energy Sustainability, V001T05A004, July 11–13, 2022
Publisher: American Society of Mechanical Engineers
Paper No: ES2022-81801
https://doi.org/10.1115/ES2022-81801
View Paper titled, A Non-Intrusive Particle Temperature Measurement Methodology Using Thermogram and Visible-Light Image Sets
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Topics: Light, Particulate matter, Temperature, Temperature measurement, Visible spectrum
Proceedings Papers

Particle Plume Velocities Extracted From High-Speed Thermograms Through Particle Image Velocimetry

Jesus D. Ortega, Guillermo Anaya, Peter Vorobieff, Clifford K. Ho, Gowtham Mohan
Proc. ASME. ES2021, ASME 2021 15th International Conference on Energy Sustainability, V001T02A009, June 16–18, 2021
Publisher: American Society of Mechanical Engineers
Paper No: ES2021-63336
https://doi.org/10.1115/ES2021-63336
View Paper titled, Particle Plume Velocities Extracted From High-Speed Thermograms Through Particle Image Velocimetry
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Topics: Particulate matter, Plumes (Fluid dynamics)
Proceedings Papers

A Non-Intrusive Particle Temperature Measurement Methodology Using Thermogram and Visible-Light Image Sets

Jesus D. Ortega, Clifford K. Ho, Guillermo Anaya, Peter Vorobieff, Gowtham Mohan
Proc. ASME. ES2021, ASME 2021 15th International Conference on Energy Sustainability, V001T02A013, June 16–18, 2021
Publisher: American Society of Mechanical Engineers
Paper No: ES2021-63791
https://doi.org/10.1115/ES2021-63791
View Paper titled, A Non-Intrusive Particle Temperature Measurement Methodology Using Thermogram and Visible-Light Image Sets
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Topics: Light, Particulate matter, Temperature, Temperature measurement, Visible spectrum
Proceedings Papers

Imaging Particle Temperatures and Curtain Opacities Using an IR Camera

Jesus D. Ortega, Guillermo Anaya, Peter Vorobieff, Gowtham Mohan, Clifford K. Ho
Proc. ASME. ES2020, ASME 2020 14th International Conference on Energy Sustainability, V001T02A018, June 17–18, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ES2020-1688
https://doi.org/10.1115/ES2020-1688
View Paper titled, Imaging Particle Temperatures and Curtain Opacities Using an IR Camera
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Topics: Imaging, Particulate matter, Temperature
Proceedings Papers

Characterization of Particle and Heat Losses From Falling Particle Receivers

Clifford K. Ho, Sean Kinahan, Jesus D. Ortega, Peter Vorobieff, Andrea Mammoli, Vanderlei Martins
Proc. ASME. ES2019, ASME 2019 13th International Conference on Energy Sustainability, V001T03A001, July 14–17, 2019
Publisher: American Society of Mechanical Engineers
Paper No: ES2019-3826
https://doi.org/10.1115/ES2019-3826
View Paper titled, Characterization of Particle and Heat Losses From Falling Particle Receivers
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Topics: Heat losses, Particulate matter, Temperature, Agglomeration (Materials), Emissions, Fracture (Process), Furnaces, Hazards, High temperature, Imaging
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

On-Sun Testing of a High Temperature Bladed Solar Receiver and Transient Efficiency Evaluation Using Air

Jesus D. Ortega, Sagar D. Khivsara, Joshua M. Christian, Pradip Dutta, Clifford K. Ho
Proc. ASME. ES2018, ASME 2018 12th International Conference on Energy Sustainability, V001T11A009, June 24–28, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ES2018-7543
https://doi.org/10.1115/ES2018-7543
View Paper titled, On-Sun Testing of a High Temperature Bladed Solar Receiver and Transient Efficiency Evaluation Using Air
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Topics: High temperature, Solar energy, Testing, Transients (Dynamics), Flow (Dynamics), Computational fluid dynamics, Fluids, Heat transfer, Engineering simulation, Flux (Metallurgy)
Proceedings Papers

Design and Testing of a Novel Bladed Receiver

Jesus D. Ortega, Joshua M. Christian, Clifford K. Ho
Proc. ASME. ES2017, ASME 2017 11th International Conference on Energy Sustainability, V001T05A007, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ES2017-3524
https://doi.org/10.1115/ES2017-3524
View Paper titled, Design and Testing of a Novel Bladed Receiver
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Topics: Design, Testing, Blades, Temperature, Solar energy, Computational fluid dynamics, ASME Boiler and Pressure Vessel Code, Fins, Flow (Dynamics), Fluids
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
Proceedings Papers

Calorimetric Evaluation of Novel Concentrating Solar Receiver Geometries With Enhanced Effective Solar Absorptance

Jesus D. Ortega, Julius E. Yellowhair, Clifford K. Ho, Joshua M. Christian, Charles E. Andraka
Proc. ASME. ES2016, Volume 1: Biofuels, Hydrogen, Syngas, and Alternate Fuels; CHP and Hybrid Power and Energy Systems; Concentrating Solar Power; Energy Storage; Environmental, Economic, and Policy Considerations of Advanced Energy Systems; Geothermal, Ocean, and Emerging Energy Technologies; Photovoltaics; Posters; Solar Chemistry; Sustainable Building Energy Systems; Sustainable Infrastructure and Transportation; Thermodynamic Analysis of Energy Systems; Wind Energy Systems and Technologies, V001T04A012, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ES2016-59463
https://doi.org/10.1115/ES2016-59463
View Paper titled, Calorimetric Evaluation of Novel Concentrating Solar Receiver Geometries With Enhanced Effective Solar Absorptance
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Topics: Solar energy, Temperature, Thermal efficiency, Coatings, Computational fluid dynamics, Fluids, Solar power, Air flow, Atmospheric pressure, Data acquisition systems
Proceedings Papers

Design and Modeling of Light-Trapping Tubular Receiver Panels

Joshua M. Christian, Jesus D. Ortega, Clifford K. Ho, Julius Yellowhair
Proc. ASME. ES2016, Volume 1: Biofuels, Hydrogen, Syngas, and Alternate Fuels; CHP and Hybrid Power and Energy Systems; Concentrating Solar Power; Energy Storage; Environmental, Economic, and Policy Considerations of Advanced Energy Systems; Geothermal, Ocean, and Emerging Energy Technologies; Photovoltaics; Posters; Solar Chemistry; Sustainable Building Energy Systems; Sustainable Infrastructure and Transportation; Thermodynamic Analysis of Energy Systems; Wind Energy Systems and Technologies, V001T04A005, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ES2016-59158
https://doi.org/10.1115/ES2016-59158
View Paper titled, Design and Modeling of Light-Trapping Tubular Receiver Panels
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Topics: Design, Modeling, Fins, Solar energy, Computational fluid dynamics, Ray tracing, Testing, Cooling, Finite element analysis, Heat losses
Proceedings Papers

Design Requirements for Direct Supercritical Carbon Dioxide Receiver Development and Testing

Jesus D. Ortega, Sagar D. Khivsara, Joshua M. Christian, Clifford K. Ho
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, V001T05A019, June 28–July 2, 2015
Publisher: American Society of Mechanical Engineers
Paper No: ES2015-49489
https://doi.org/10.1115/ES2015-49489
View Paper titled, Design Requirements for Direct Supercritical Carbon Dioxide Receiver Development and Testing
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Topics: Design, Supercritical carbon dioxide, Testing, ASME Boiler and Pressure Vessel Code, Pressure vessels, Solar energy, Heat flux, Safety, Boilers, Computational fluid dynamics
Proceedings Papers

Novel Tubular Receiver Panel Configurations for Increased Efficiency of High-Temperature Solar Receivers

Joshua M. Christian, Jesus D. Ortega, Clifford K. Ho
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, V001T05A014, June 28–July 2, 2015
Publisher: American Society of Mechanical Engineers
Paper No: ES2015-49431
https://doi.org/10.1115/ES2015-49431
View Paper titled, Novel Tubular Receiver Panel Configurations for Increased Efficiency of High-Temperature Solar Receivers
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Topics: High temperature, Solar energy, Heat transfer, Fins, Flat plates, Heat losses, Thermal efficiency, Computational fluid dynamics, Fluids, Temperature
Proceedings Papers

Structural Analysis of a Direct Heated Tubular Solar Receiver for Supercritical CO 2 Brayton Cycle

Jesus D. Ortega, Joshua M. Christian, Clifford K. Ho
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, V001T05A015, June 28–July 2, 2015
Publisher: American Society of Mechanical Engineers
Paper No: ES2015-49464
https://doi.org/10.1115/ES2015-49464
View Paper titled, Structural Analysis of a Direct Heated Tubular Solar Receiver for Supercritical CO 2 Brayton Cycle
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Topics: Brayton cycle, Solar energy, Structural analysis, Supercritical carbon dioxide, Stress, Design, Pressure, Creep, High temperature, Temperature
Proceedings Papers

Coupled Optical-Thermal-Fluid Modeling of a Directly Heated Tubular Solar Receiver for Supercritical CO 2 Brayton Cycle

Jesus D. Ortega, Sagar D. Khivsara, Joshua M. Christian, Julius E. Yellowhair, Clifford K. Ho
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, V001T05A018, June 28–July 2, 2015
Publisher: American Society of Mechanical Engineers
Paper No: ES2015-49474
https://doi.org/10.1115/ES2015-49474
View Paper titled, Coupled Optical-Thermal-Fluid Modeling of a Directly Heated Tubular Solar Receiver for Supercritical CO 2 Brayton Cycle
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Topics: Brayton cycle, Fluids, Modeling, Solar energy, Supercritical carbon dioxide, Temperature, Computational fluid dynamics, Radiation (Physics), Absorption, Concentrating solar power
Proceedings Papers

Modeling of a High-Temperature-Serpentine External Tubular Receiver Using Supercritical CO 2

Samia Afrin, Jesus D. Ortega, Clifford K. Ho, Vinod Kumar
Proc. ASME. ES2014, Volume 1: Combined Energy Cycles, CHP, CCHP, and Smart Grids; Concentrating Solar Power, Solar Thermochemistry and Thermal Energy Storage; Geothermal, Ocean, and Emerging Energy Technologies; Hydrogen Energy Technologies; Low/Zero Emission Power Plants and Carbon Sequestration; Photovoltaics; Wind Energy Systems and Technologies, V001T02A011, June 30–July 2, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ES2014-6376
https://doi.org/10.1115/ES2014-6376
View Paper titled, Modeling of a High-Temperature-Serpentine External Tubular Receiver Using Supercritical CO 2
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Topics: Modeling, Supercritical carbon dioxide, Temperature, Thermal efficiency, Radiation (Physics), Computational fluid dynamics, Design, Fluids, Heat transfer, Pressure