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Journal Articles

A FEEDBACK CONTROL STRATEGY TO REGULATE THE TEMPERATURE IN A NONLINEAR SOLAR RECEIVER

Accepted Manuscript
Sofie Verstraete, Hamed Abedini, Assaad AlSahlani, Cedric Ophoff, Nesrin Ozalp
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng.
Paper No: SOL-24-1020
https://doi.org/10.1115/1.4066498
Published Online: September 10, 2024
View Article titled, A FEEDBACK CONTROL STRATEGY TO REGULATE THE TEMPERATURE IN A NONLINEAR SOLAR RECEIVER
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Topics: Feedback, Solar energy, Temperature
Journal Articles

Special Issue on the 17th Annual International Conference on Energy Sustainability (ES2023)

Julia Nicodemus, Justin Lapp, Luke Venstrom, Nesrin Ozalp
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Guest Editorial
J. Sol. Energy Eng. October 2024, 146(5): 050301.
Paper No: SOL-24-1192
https://doi.org/10.1115/1.4066195
Published Online: August 16, 2024
View Article titled, Special Issue on the 17th Annual International Conference on Energy Sustainability (ES2023)
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Topics: Energy sustainability
Proceedings Papers

Experimental Performance of a Nonlinear Control Strategy to Regulate Temperature of a High Temperature Solar Reactor

Assaad Alsahlani, Nesrin Ozalp
Proc. ASME. HT2023, ASME 2023 Heat Transfer Summer Conference, V001T01A002, July 10–12, 2023
Publisher: American Society of Mechanical Engineers
Paper No: HT2023-105840
https://doi.org/10.1115/HT2023-105840
View Paper titled, Experimental Performance of a Nonlinear Control Strategy to Regulate Temperature of a High Temperature Solar Reactor
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Topics: Fuels, High temperature, Solar energy, Temperature
Journal Articles

In Memoriam: Professor Essam E. Khalil —A Tribute to An Outstanding Educator and Researcher

Mohamed M. Awad, S. A. Sherif, Heba Allah Essam E. Khalil, Adel Khalil, Tom I-P. Shih, Omar Abdelaziz, Tarek Abdel-Salam, Ryo S. Amano, Ashwani K. Gupta, Michael Brooks, Bhupendra Khandelwal, Nesrin Ozalp, David Carrington, Suresh K. Aggarwal, Sumanta Acharya, Farzad Mashayek, Xiuling Wang, William E. Lear
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: In Memoriam
J. Sol. Energy Eng. August 2023, 145(4): 040101.
Paper No: SOL-23-1098
https://doi.org/10.1115/1.4062476
Published Online: May 23, 2023
View Article titled, In Memoriam: Professor Essam E. Khalil —A Tribute to An Outstanding Educator and Researcher
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Topics: Engineering teachers
Journal Articles

Experimental Performance of a Nonlinear Control Strategy to Regulate Temperature of a High-Temperature Solar Reactor

Assaad Alsahlani, Nesrin Ozalp
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. October 2023, 145(5): 051011.
Paper No: SOL-23-1069
https://doi.org/10.1115/1.4062483
Published Online: May 19, 2023
View Article titled, Experimental Performance of a Nonlinear Control Strategy to Regulate Temperature of a High-Temperature Solar Reactor
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Topics: Control equipment, Solar energy, Temperature, Fuels, High temperature, Design, Predictive control, Particulate matter
Journal Articles

Implementation of a Model Predictive Control Strategy to Regulate Temperature Inside Plug-Flow Solar Reactor With Countercurrent Flow

Assaad Alsahlani, Kelvin Randhir, Michael Hayes, Philipp Schimmels, Nesrin Ozalp, James Klausner
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. February 2023, 15(2): 021013.
Paper No: TSEA-22-1211
https://doi.org/10.1115/1.4056243
Published Online: December 6, 2022
View Article titled, Implementation of a Model Predictive Control Strategy to Regulate Temperature Inside Plug-Flow Solar Reactor With Countercurrent Flow
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Topics: Control equipment, Flow (Dynamics), Particulate matter, Solar energy, Temperature, Fuels, Heating, Heat, Steady state, Design
Journal Articles

Design of a Combined Proportional Integral Derivative Controller to Regulate the Temperature Inside a High-Temperature Tubular Solar Reactor

Assaad Alsahlani, Kelvin Randhir, Michael Hayes, Philipp Schimmels, Nesrin Ozalp, James Klausner
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. February 2023, 145(1): 011011.
Paper No: SOL-22-1122
https://doi.org/10.1115/1.4055296
Published Online: September 26, 2022
View Article titled, Design of a Combined Proportional Integral Derivative Controller to Regulate the Temperature Inside a High-Temperature Tubular Solar Reactor
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Topics: Computer simulation, Control equipment, Control systems, Design, Fuels, High temperature, Particulate matter, Solar energy, Temperature, Heat transfer
Proceedings Papers

Implementation of a Model Predictive Control Strategy to Regulate Temperature Inside Plug-Flow Solar Reactor With Counter-Current Flow

Assaad AlSahlani, Kelvin Randhir, Michael Hayes, Philipp Schimmels, Nesrin Ozalp, James Klausner
Proc. ASME. HT2022, ASME 2022 Heat Transfer Summer Conference, V001T06A009, July 11–13, 2022
Publisher: American Society of Mechanical Engineers
Paper No: HT2022-85609
https://doi.org/10.1115/HT2022-85609
View Paper titled, Implementation of a Model Predictive Control Strategy to Regulate Temperature Inside Plug-Flow Solar Reactor With Counter-Current Flow
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Topics: Flow (Dynamics), Fuels, Predictive control, Solar energy, Temperature, Thermal energy storage
Proceedings Papers

Design of a Combined PID Controller to Regulate the Temperature Inside a High-Temperature Tubular Solar Reactor

Assaad AlSahlani, Kelvin Randhir, Michael Hayes, Philipp Schimmels, Nesrin Ozalp, James Klausner
Proc. ASME. ES2022, ASME 2022 16th International Conference on Energy Sustainability, V001T06A001, July 11–13, 2022
Publisher: American Society of Mechanical Engineers
Paper No: ES2022-85604
https://doi.org/10.1115/ES2022-85604
View Paper titled, Design of a Combined PID Controller to Regulate the Temperature Inside a High-Temperature Tubular Solar Reactor
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Topics: Control equipment, Design, Fuels, High temperature, Solar energy, Temperature
Journal Articles

Special Section: Energy Sustainability 2021 Conference

Nesrin Ozalp
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Guest Editorial
J. Sol. Energy Eng. June 2022, 144(3): 030301.
Paper No: SOL-22-1096
https://doi.org/10.1115/1.4054198
Published Online: April 15, 2022
View Article titled, Special Section: Energy Sustainability 2021 Conference
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Topics: Energy sustainability
Journal Articles

A Forward Feedback Control Scheme for a Solar Thermochemical Moving Bed Counter-Current Flow Reactor

Assaad Al Sahlani, Kelvin Randhir, Nesrin Ozalp, James Klausner
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. June 2022, 144(3): 031004.
Paper No: SOL-21-1224
https://doi.org/10.1115/1.4053872
Published Online: March 7, 2022
View Article titled, A Forward Feedback Control Scheme for a Solar Thermochemical Moving Bed Counter-Current Flow Reactor
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Topics: Computer simulation, Control equipment, Feedback, Flow (Dynamics), Particulate matter, Solar energy, Temperature, Heat flux, Energy storage, Heating
Journal Articles

A Simplified Numerical Approach to Characterize the Thermal Response of a Moving Bed Solar Reactor

Assaad Al Sahlani, Kelvin Randhir, Nesrin Ozalp, James Klausner
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. August 2022, 14(8): 081010.
Paper No: TSEA-21-1377
https://doi.org/10.1115/1.4053169
Published Online: January 13, 2022
View Article titled, A Simplified Numerical Approach to Characterize the Thermal Response of a Moving Bed Solar Reactor
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Topics: Fuels, Heat transfer, Particulate matter, Solar energy, Temperature, Radiation (Physics), Heating, Errors, Simulation results, Heat
Journal Articles

Effect of Carbon Particle Feeding as Radiant Absorbent for Enhanced Heat Transfer

Hamed Abedini, Nesrin Ozalp
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. April 2022, 144(2): 021006.
Paper No: SOL-21-1165
https://doi.org/10.1115/1.4052938
Published Online: November 25, 2021
View Article titled, Effect of Carbon Particle Feeding as Radiant Absorbent for Enhanced Heat Transfer
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Topics: Carbon, Heat transfer, Particulate matter, Solar energy, Temperature, Radiation (Physics), Cavity walls
Proceedings Papers

A Simplified Numerical Approach to Characterize the Thermal Response of a Moving Bed Solar Reactor

Assaad Al Sahlani, Kelvin Randhir, Nesrin Ozalp, James Klausner
Proc. ASME. HT2021, ASME 2021 Heat Transfer Summer Conference, V001T07A009, June 16–18, 2021
Publisher: American Society of Mechanical Engineers
Paper No: HT2021-63924
https://doi.org/10.1115/HT2021-63924
View Paper titled, A Simplified Numerical Approach to Characterize the Thermal Response of a Moving Bed Solar Reactor
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Topics: Fuels, Solar energy
Proceedings Papers

A Forward Feedback Control Scheme for a Solar Thermochemical Moving Bed Countercurrent Flow Reactor

Assaad Al Sahlani, Kelvin Randhir, Nesrin Ozalp, James Klausner
Proc. ASME. ES2021, ASME 2021 15th International Conference on Energy Sustainability, V001T12A001, June 16–18, 2021
Publisher: American Society of Mechanical Engineers
Paper No: ES2021-63912
https://doi.org/10.1115/ES2021-63912
View Paper titled, A Forward Feedback Control Scheme for a Solar Thermochemical Moving Bed Countercurrent Flow Reactor
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Topics: Control equipment, Feedback, Flow (Dynamics), Solar energy
Journal Articles

Biochar From Cocoa Shell Pyrolysis: Potential Sorbent for CO 2 Capture

Hamed Abedini Najafabadi, Nesrin Ozalp, Richard A. Davis
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. February 2021, 143(2): 022302.
Paper No: JERT-20-1457
https://doi.org/10.1115/1.4047765
Published Online: August 7, 2020
View Article titled, Biochar From Cocoa Shell Pyrolysis: Potential Sorbent for CO 2 Capture
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Topics: Biochar, Carbon dioxide, Shells, Pyrolysis, Sorbents, Thermogravimetry, Carbon capture and storage
Journal Articles

Monte Carlo Ray Tracing-Coupled Computational Fluid Dynamic Modeling and Experimental Testing of a 1-kW Solar Cavity Receiver Radiated via 7-kW HFSS

Cedric Ophoff, Nesrin Ozalp, David Moens
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. December 2020, 142(6): 061003.
Paper No: SOL-19-1471
https://doi.org/10.1115/1.4046779
Published Online: April 8, 2020
View Article titled, Monte Carlo Ray Tracing-Coupled Computational Fluid Dynamic Modeling and Experimental Testing of a 1-kW Solar Cavity Receiver Radiated via 7-kW HFSS
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Topics: Cavities, Computational fluid dynamics, Flow (Dynamics), Fluids, Radiation (Physics), Ray tracing, Solar energy, Temperature, Heat transfer, Turbulence
Journal Articles

Numerical Characterization of a High Flux Solar Simulator Using Forward and Inverse Methods

Mostafa Abuseada, Nesrin Ozalp
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. February 2020, 142(2): 022105.
Paper No: HT-19-1327
https://doi.org/10.1115/1.4045413
Published Online: December 9, 2019
View Article titled, Numerical Characterization of a High Flux Solar Simulator Using Forward and Inverse Methods
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Topics: Heat flux, Ray tracing, Inverse problems, Errors, Solar energy
Proceedings Papers

Monte Carlo Ray Tracing Coupled CFD Modelling and Experimental Testing of a 1 kW Solar Cavity Receiver Radiated via 7 kW HFSS

Cedric Ophoff, Nesrin Ozalp, David Moens
Proc. ASME. HT2019, ASME 2019 Heat Transfer Summer Conference, V001T09A001, July 14–17, 2019
Publisher: American Society of Mechanical Engineers
Paper No: HT2019-3541
https://doi.org/10.1115/HT2019-3541
View Paper titled, Monte Carlo Ray Tracing Coupled CFD Modelling and Experimental Testing of a 1 kW Solar Cavity Receiver Radiated via 7 kW HFSS
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Topics: Cavities, Computational fluid dynamics, Modeling, Ray tracing, Solar energy, Testing
Proceedings Papers

Effect of Carbon Particle Seeding As Radiant Absorbent for Enhanced Heat Transfer

Hamed Abedini Najafabadi, Nesrin Ozalp
Proc. ASME. HT2019, ASME 2019 Heat Transfer Summer Conference, V001T09A002, July 14–17, 2019
Publisher: American Society of Mechanical Engineers
Paper No: HT2019-3657
https://doi.org/10.1115/HT2019-3657
View Paper titled, Effect of Carbon Particle Seeding As Radiant Absorbent for Enhanced Heat Transfer
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Topics: Carbon, Catalysts, Heat transfer, Particulate matter, Solar energy