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Journal Articles

A Combined Computer Vision and Deep Learning Approach for Rapid Drone-Based Optical Characterization of Parabolic Troughs

Devon Kesseli, Veena Chidurala, Ryan Gooch, Guangdong Zhu

J. Sol. Energy Eng. April 2023, 145(2): 021008.

Paper No: SOL-22-1086

DOI: https://doi.org/10.1115/1.4055172

Published Online: August 24, 2022

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Topics: Computers, Corners (Structural elements), Parabolic troughs, Mirrors, Algorithms, Unmanned aerial vehicles

Proceedings Papers

Unmanned Aerial Vehicle Path Generation for Image Collection to Assist Heliostat Field Optical Characterization

Kidus Guye, Rebecca Mitchell, Guangdong Zhu

Proc. ASME. ES2020, ASME 2020 14th International Conference on Energy Sustainability, V001T02A016, June 17–18, 2020

Paper No: ES2020-1683

DOI: https://doi.org/10.1115/ES2020-1683

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Topics: Concentrating solar power, Unmanned aerial vehicles

Proceedings Papers

Update on NREL Outdoor Exposure Campaign of Solar Mirrors

Daniel Celvi, Christa Schreiber, Robert Tirawat, Guangdong Zhu

Proc. ASME. ES2020, ASME 2020 14th International Conference on Energy Sustainability, V001T02A006, June 17–18, 2020

Paper No: ES2020-1647

DOI: https://doi.org/10.1115/ES2020-1647

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Topics: Mirrors, Solar energy, Corrosion, Databases, Imaging, Mining, Renewable energy

Journal Articles

Using Concentrating Solar Power to Create a Geological Thermal Energy Reservoir for Seasonal Storage and Flexible Power Plant Operation

Prashant Sharan, Kevin Kitz, Daniel Wendt, Joshua McTigue, Guangdong Zhu

J. Energy Resour. Technol. January 2021, 143(1): 010906.

Paper No: JERT-20-1280

DOI: https://doi.org/10.1115/1.4047970

Published Online: August 24, 2020

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Topics: Solar energy, Storage, Thermodynamic power cycles, Heat, Reservoirs, Temperature, Concentrating solar power, Steam turbines, Thermal energy storage, Renewable energy

Journal Articles

Controllable Solar Flux Heating for Freeze Recovery in Molten Salt Parabolic Trough Collectors

Luca Imponenti, Ryan Shininger, Keith Gawlik, Hank Price, Guangdong Zhu

J. Energy Resour. Technol. December 2020, 142(12): 121301.

Paper No: JERT-19-1776

DOI: https://doi.org/10.1115/1.4047303

Published Online: June 12, 2020

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Topics: Heating, Melting, Parabolic troughs, Solar energy, Thermal stresses, Temperature, Mirrors, Heat, Solar heating, Stress

Journal Articles

Special Section: Symposium Dedicated to Renewable Energy and Sustainable Technologies

Guangdong Zhu, M. Keith Sharp, Reza Baghaei Lakeh, Heejin Cho, Erik Koepf, Craig Turchi, Navid Goudarzi

J. Energy Resour. Technol. May 2020, 142(5): 050201.

Paper No: JERT-20-1229

DOI: https://doi.org/10.1115/1.4046865

Published Online: April 21, 2020

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Topics: Green technology, Renewable energy

Journal Articles

Special Issue for the 12th International Conference on Energy Sustainability (ES2018)

Hohyun Lee, Ph.D., Reza Baghaei Lakeh, Ph.D., Guangdong Zhu, Ph.D., Heejin Cho, Ph.D., Omid Askari, Ph.D.

J. Energy Resour. Technol. June 2019, 141(6): 060301.

Paper No: JERT-19-1080

DOI: https://doi.org/10.1115/1.4042976

Published Online: March 29, 2019

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Topics: Energy sustainability

Journal Articles

Solar Field Optical Characterization at Stillwater Geothermal/Solar Hybrid Plant

Guangdong Zhu, Craig Turchi

J. Sol. Energy Eng. June 2017, 139(3): 031002.

Paper No: SOL-16-1342

DOI: https://doi.org/10.1115/1.4035518

Published Online: January 27, 2017

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Topics: Mirrors, Reflectance, Solar energy, Errors

Proceedings Papers

Revisiting Parabolic Trough Concentrators for Industrial Process Heat in the United States

Craig S. Turchi, Parthiv Kurup, Guangdong Zhu

Proc. ASME. POWER2016, ASME 2016 Power Conference, V001T08A018, June 26–30, 2016

Paper No: POWER2016-59621

DOI: https://doi.org/10.1115/POWER2016-59621

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Topics: Heat, Parabolic troughs, Solar energy, Natural gas, Design, Hardware, Heat exchangers, Manufacturing, Pipes, Solar collectors

Proceedings Papers

Performance Evaluation and Outlook of Utility-Scale Linear Fresnel Technology

Guangdong Zhu, Mike Wagner, Tim Wendelin, Chuck Kutscher

Proc. ASME. ES2013, ASME 2013 7th International Conference on Energy Sustainability, V001T11A001, July 14–19, 2013

Paper No: ES2013-18069

DOI: https://doi.org/10.1115/ES2013-18069

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Topics: Computer software, Concentrating solar power, Cycles, Energy efficiency, High temperature, Industrial plants, Industrial research, Maintenance, Mirrors, Optimization

Proceedings Papers

A High-Precision Control System Used for Optical Efficiency Measurements of Parabolic Trough Collectors at NREL

Guangdong Zhu, Judy Netter, Allison Gray

Proc. ASME. IMECE2012, Volume 4: Dynamics, Control and Uncertainty, Parts A and B, 1241-1248, November 9–15, 2012

Paper No: IMECE2012-88545

DOI: https://doi.org/10.1115/IMECE2012-88545

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Topics: Control systems, Parabolic troughs, Control equipment, Sensors, Solar energy, Tracking control, Accuracy and precision, Concentrating solar power, Data collection, Hardware

Proceedings Papers

The Impact of Receiver Position Error on Parabolic Trough Collector Optical Performance

Guangdong Zhu

Proc. ASME. ES2012, ASME 2012 6th International Conference on Energy Sustainability, Parts A and B, 291-297, July 23–26, 2012

Paper No: ES2012-91067

DOI: https://doi.org/10.1115/ES2012-91067

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Topics: Errors, Parabolic troughs, Approximation, Probability, Design, Engineering simulation, Optimization, Ray tracing, Simulation

Proceedings Papers

A Direct-Steam Linear Fresnel Performance Model for NREL’S System Advisor Model

Michael J. Wagner, Guangdong Zhu

Proc. ASME. ES2012, ASME 2012 6th International Conference on Energy Sustainability, Parts A and B, 459-468, July 23–26, 2012

Paper No: ES2012-91317

DOI: https://doi.org/10.1115/ES2012-91317

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Topics: Steam, Heat losses, Solar energy, Temperature, Enthalpy, Flow (Dynamics), Inertia (Mechanics), Modeling, Operating temperature, Polynomials

Journal Articles

Study of the Optical Impact of Receiver Position Error on Parabolic Trough Collectors

Guangdong Zhu

J. Sol. Energy Eng. August 2013, 135(3): 031021.

Paper No: SOL-12-1194

DOI: https://doi.org/10.1115/1.4024247

Published Online: June 11, 2013

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Topics: Errors

Journal Articles

A New Optical Evaluation Approach for Parabolic Trough Collectors: First-Principle OPTical Intercept Calculation

Guangdong Zhu, Allan Lewandowski

J. Sol. Energy Eng. November 2012, 134(4): 041005.

DOI: https://doi.org/10.1115/1.4006963

Published Online: July 5, 2012

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Topics: Errors, Mirrors, Probability, Parabolic troughs, Approximation

Journal citation

NARROW

A Combined Computer Vision and Deep Learning Approach for Rapid Drone-Based Optical Characterization of Parabolic Troughs

Unmanned Aerial Vehicle Path Generation for Image Collection to Assist Heliostat Field Optical Characterization

Update on NREL Outdoor Exposure Campaign of Solar Mirrors

Using Concentrating Solar Power to Create a Geological Thermal Energy Reservoir for Seasonal Storage and Flexible Power Plant Operation

Controllable Solar Flux Heating for Freeze Recovery in Molten Salt Parabolic Trough Collectors

Special Section: Symposium Dedicated to Renewable Energy and Sustainable Technologies

Special Issue for the 12th International Conference on Energy Sustainability (ES2018)

Solar Field Optical Characterization at Stillwater Geothermal/Solar Hybrid Plant

Revisiting Parabolic Trough Concentrators for Industrial Process Heat in the United States

Performance Evaluation and Outlook of Utility-Scale Linear Fresnel Technology

A High-Precision Control System Used for Optical Efficiency Measurements of Parabolic Trough Collectors at NREL

The Impact of Receiver Position Error on Parabolic Trough Collector Optical Performance

A Direct-Steam Linear Fresnel Performance Model for NREL’S System Advisor Model

Study of the Optical Impact of Receiver Position Error on Parabolic Trough Collectors

A New Optical Evaluation Approach for Parabolic Trough Collectors: First-Principle OPTical Intercept Calculation

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