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Journal Articles

Improved Particle Swarm Algorithm Using Rubik’s Cube Topology for Bilevel Building Energy Transaction

Xiaochun Feng, Yang Chen, Jian Zhang, Heejin Cho, Xin Shi
Journal: Journal of Energy Resources Technology
Article Type: Research Papers
J. Energy Resour. Technol. July 2022, 144(7): 070910.
Paper No: JERT-21-1656
DOI: https://doi.org/10.1115/1.4053768
Published Online: February 22, 2022
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Topics: Algorithms, Particle swarm optimization, Particulate matter, Topology, Batteries
Proceedings Papers

Analysis and Modeling of Vapor-Liquid Interactions in Condensing Ejectors

Nanqiao Wang, Nirmal Bhatt, Shanti Bhushan, Heejin Cho, Like Li
Proc. ASME. IMECE2021, Volume 8B: Energy, V08BT08A012, November 1–5, 2021
Paper No: IMECE2021-70524
DOI: https://doi.org/10.1115/IMECE2021-70524
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Topics: Ejectors, Heat transfer, Modeling, Slug flows, Vapors
Journal Articles

Design and Feasibility Study of Biomass-Driven Combined Heat and Power Systems for Rural Communities

Philippe C. Schicker, Dustin Spayde, Heejin Cho
Journal: Journal of Energy Resources Technology
Article Type: Research Papers
J. Energy Resour. Technol. July 2022, 144(7): 070909.
Paper No: JERT-21-1691
DOI: https://doi.org/10.1115/1.4053345
Published Online: January 18, 2022
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Topics: Biomass, Cogeneration systems, Combined heat and power, Design, Fuels, Wood products, Biofuel, Natural gas, Energy generation, Stress
Journal Articles

Design and Optimization of Integrated Distributed Energy Systems for Off-Grid Buildings

Jian Zhang, Heejin Cho, Pedro J. Mago
Journal: Journal of Energy Resources Technology
Article Type: Research Papers
J. Energy Resour. Technol. July 2022, 144(7): 070902.
Paper No: JERT-21-1666
DOI: https://doi.org/10.1115/1.4052619
Published Online: October 20, 2021
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Topics: Design, Distributed power generation, Optimization, Structures, Sound transmission class, Wind turbines, Solar collectors, Batteries, Thermal energy, Emissions
Proceedings Papers

Optimal Design of Integrated Distributed Energy Systems for Off-Grid Buildings in Different U.S. Regions

Jian Zhang, Heejin Cho, Pedro Mago
Proc. ASME. ES2021, ASME 2021 15th International Conference on Energy Sustainability, V001T03A001, June 16–18, 2021
Paper No: ES2021-60503
DOI: https://doi.org/10.1115/ES2021-60503
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Topics: Design, Distributed power generation, Structures
Proceedings Papers

Design and Feasibility Study of Biomass-Driven Combined Heat and Power Systems for Rural Communities

Philippe C. Schicker, Dustin Spayde, Heejin Cho
Proc. ASME. ES2021, ASME 2021 15th International Conference on Energy Sustainability, V001T03A002, June 16–18, 2021
Paper No: ES2021-62057
DOI: https://doi.org/10.1115/ES2021-62057
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Topics: Biomass, Carbon dioxide, Cogeneration systems, Combined heat and power, Design, Emissions, Energy consumption, Wood products
Proceedings Papers

Rubik’s Cube Topology Based Particle Swarm Algorithm for Bilevel Building Energy Transaction

Xiaochun Feng, Yang Chen, Jian Zhang, Heejin Cho, Xin Shi
Proc. ASME. ES2021, ASME 2021 15th International Conference on Energy Sustainability, V001T08A002, June 16–18, 2021
Paper No: ES2021-62982
DOI: https://doi.org/10.1115/ES2021-62982
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Topics: Algorithms, Particulate matter, Topology, Particle swarm optimization, Renewable energy sources, Batteries, Distributed power generation, Equilibrium (Physics), Flow (Dynamics), Internal energy (Physics)
Journal Articles

Performance Analysis of Solar-Powered Organic Rankine Cycle With Energy Storage in Different Climate Zones in the United States

Hadis Hemmati, Jian Zhang, Emily Spayde, Pedro J. Mago, Heejin Cho
Journal: Journal of Energy Resources Technology
Article Type: Research Papers
J. Energy Resour. Technol. September 2021, 143(9): 090908.
Paper No: JERT-20-1784
DOI: https://doi.org/10.1115/1.4049792
Published Online: February 5, 2021
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Topics: Energy storage, Organic Rankine cycle, Solar collectors, Solar energy, Solar power, Climate, Irradiation (Radiation exposure), Fluids, Energy consumption
Proceedings Papers

Performance Analysis of a Solar Powered Organic Rankine Cycle With Energy Storage in Different U.S. Climate Zones

Hadis Hemmati, Jian Zhang, Emily Spayde, Pedro J. Mago, Heejin Cho
Proc. ASME. ES2020, ASME 2020 14th International Conference on Energy Sustainability, V001T04A004, June 17–18, 2020
Paper No: ES2020-1646
DOI: https://doi.org/10.1115/ES2020-1646
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Topics: Carbon dioxide, Climate, Emissions, Energy consumption, Energy storage, Organic Rankine cycle, Solar power
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
Journal: Journal of Energy Resources Technology
Article Type: Editorial
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

A Nonlinear Autoregressive With Exogenous Inputs Artificial Neural Network Model for Building Thermal Load Prediction

Byeongho Yu, Dongsu Kim, Heejin Cho, Pedro Mago
Journal: Journal of Energy Resources Technology
Article Type: Research Papers
J. Energy Resour. Technol. May 2020, 142(5): 050902.
Paper No: JERT-19-1610
DOI: https://doi.org/10.1115/1.4045543
Published Online: December 10, 2019
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Topics: Artificial neural networks, Stress, Errors, Heating, Cooling
Proceedings Papers

A Non-Linear Auto-Regressive With Exogenous Inputs (NARX) Artificial Neural Network (ANN) Model for Building Thermal Load Prediction

Byeongho Yu, Dongsu Kim, Heejin Cho, Pedro Mago
Proc. ASME. ES2019, ASME 2019 13th International Conference on Energy Sustainability, V001T01A008, July 14–17, 2019
Paper No: ES2019-3923
DOI: https://doi.org/10.1115/ES2019-3923
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Topics: Artificial neural networks, Stress, Machine learning, Nonlinear systems, Architecture, Computation, Energy / power systems, Indexing (Machining), Model development, Physics
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.
Journal: Journal of Energy Resources Technology
Article Type: Guest Editorial
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

Performance Prediction and Optimization of an Organic Rankine Cycle Using Back Propagation Neural Network for Diesel Engine Waste Heat Recovery

Fubin Yang, Heejin Cho, Hongguang Zhang
Journal: Journal of Energy Resources Technology
Article Type: Research-Article
J. Energy Resour. Technol. June 2019, 141(6): 062006.
Paper No: JERT-18-1691
DOI: https://doi.org/10.1115/1.4042408
Published Online: January 18, 2019
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Topics: Artificial neural networks, Diesel engines, Exhaust systems, Heat recovery, Optimization, Organic Rankine cycle, Errors, Temperature, Pareto optimization
Journal Articles

Potential Impacts of Net-Zero Energy Buildings With Distributed Photovoltaic Power Generation on the U.S. Electrical Grid

Dongsu Kim, Heejin Cho, Rogelio Luck
Journal: Journal of Energy Resources Technology
Article Type: Research-Article
J. Energy Resour. Technol. June 2019, 141(6): 062005.
Paper No: JERT-18-1690
DOI: https://doi.org/10.1115/1.4042407
Published Online: January 18, 2019
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Topics: Climate, Power grids, Structures, Energy storage, Energy consumption, Photovoltaics, Energy generation, Photovoltaic power systems
Proceedings Papers

Potential Aggregate Effects of Net-Zero Energy Homes (NZEHs) With Distributed Energy Generation on the U.S. Electrical Grid

Dongsu Kim, Heejin Cho, Rogelio Luck, Pedro Mago
Proc. ASME. IMECE2018, Volume 6A: Energy, V06AT08A052, November 9–15, 2018
Paper No: IMECE2018-88359
DOI: https://doi.org/10.1115/IMECE2018-88359
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Topics: Distributed power generation, Power grids, Residential construction, Engineering prototypes, Simulation, Climate, Electric power generation, Energy storage, Photovoltaic power systems
Proceedings Papers

Multi-Objective Design Optimization for Distributed Energy Systems With Energy Storage: A Case Study

Jian Zhang, Heejin Cho, Hongguang Zhang, Fubin Yang
Proc. ASME. POWER2018, Volume 2: Heat Exchanger Technologies; Plant Performance; Thermal Hydraulics and Computational Fluid Dynamics; Water Management for Power Systems; Student Competition, V002T12A005, June 24–28, 2018
Paper No: POWER2018-7204
DOI: https://doi.org/10.1115/POWER2018-7204
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Topics: Design, Distributed power generation, Energy storage, Optimization, Particle swarm optimization, Structures, Carbon dioxide, Cooling, Emissions, Energy / power systems
Proceedings Papers

Potential Impacts of Net-Zero Energy Buildings With Distributed Photovoltaic (PV) Power Generation on the Electrical Grid

Dongsu Kim, Heejin Cho, Rogelio Luck
Proc. ASME. POWER2018, Volume 2: Heat Exchanger Technologies; Plant Performance; Thermal Hydraulics and Computational Fluid Dynamics; Water Management for Power Systems; Student Competition, V002T12A008, June 24–28, 2018
Paper No: POWER2018-7319
DOI: https://doi.org/10.1115/POWER2018-7319
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Topics: Energy generation, Power grids, Structures, Climate, Simulation, Construction, Energy / power systems, Energy storage, Power systems (Machinery), Solar radiation
Proceedings Papers

Performance Prediction and Optimization of an Organic Rankine Cycle (ORC) Using Back Propagation Neural Network for Diesel Engine Waste Heat Recovery

Fubin Yang, Heejin Cho, Hongguang Zhang
Proc. ASME. ES2018, ASME 2018 12th International Conference on Energy Sustainability, V001T05A001, June 24–28, 2018
Paper No: ES2018-7158
DOI: https://doi.org/10.1115/ES2018-7158
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Topics: Artificial neural networks, Diesel engines, Heat recovery, Optimization, Organic Rankine cycle, Errors, Exhaust systems, Temperature, Pareto optimization, Trains
Proceedings Papers

An Evaluation of Financial Incentive Policies for Solar Photovoltaic Systems in the U.S.

Jian Zhang, Alta Knizley, Heejin Cho
Proc. ASME. ES2017, ASME 2017 11th International Conference on Energy Sustainability, V001T06A001, June 26–30, 2017
Paper No: ES2017-3693
DOI: https://doi.org/10.1115/ES2017-3693
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Topics: Photovoltaic power systems, Solar energy, Energy generation, Public utilities