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Proceedings Papers

Experimental Investigation of the Thermal Performance of a Prototype Direct-Expansion Solar-Assisted Heat Pump System in a Cold Climate

Bardia Abbasi, Simon Li, Aggrey Mwesigye
Proc. ASME. ES2024, ASME 2024 18th International Conference on Energy Sustainability, V001T02A002, July 15–17, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ES2024-126975
https://doi.org/10.1115/ES2024-126975
View Paper titled, Experimental Investigation of the Thermal Performance of a Prototype Direct-Expansion Solar-Assisted Heat Pump System in a Cold Climate
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Topics: Climate, Engineering prototypes, Heat pumps, Solar energy
Proceedings Papers

Techno-Economic and Environmental Performance Comparison of Different Systems for Space Heating Systems in Cold Climates – Case of the Bow Valley Municipalities

Amirhossein Darbandi, Isabella Castaneda Arias, Max Holm-Radford, Aleksandra Govedarica, Roman Shor, Aggrey Mwesigye
Proc. ASME. ES2024, ASME 2024 18th International Conference on Energy Sustainability, V001T02A005, July 15–17, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ES2024-130562
https://doi.org/10.1115/ES2024-130562
View Paper titled, Techno-Economic and Environmental Performance Comparison of Different Systems for Space Heating Systems in Cold Climates – Case of the Bow Valley Municipalities
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Topics: Cold climates, Economics , Heat pumps, Heating, Furnaces, Climate, Electrical resistance, Emissions, Carbon dioxide, Energy efficiency
Journal Articles

Thermodynamic Performance Investigation of Environmentally Friendly Working Fluids in a Geothermal Integrated Pumped Thermal Energy Storage System

Aggrey Mwesigye
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. October 2024, 146(5): 051008.
Paper No: SOL-23-1275
https://doi.org/10.1115/1.4065554
Published Online: June 13, 2024
View Article titled, Thermodynamic Performance Investigation of Environmentally Friendly Working Fluids in a Geothermal Integrated Pumped Thermal Energy Storage System
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Topics: Compressors, Cycles, Energy storage, Fluids, Geothermal engineering, Temperature, Thermal energy storage, Heat exchangers, Storage, Heat
Proceedings Papers

Thermal Performance of a Geothermal Source High-Temperature Heat Pump for District Heating – Comparison of Single-Stage and Cascade Vapor Compression Cycles

Devon Dickinson, An Mai, Aleksandra Govedaric, Roman Shor, Aggrey Mwesigye
Proc. ASME. IMECE2023, Volume 7: Energy, V007T08A014, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-113084
https://doi.org/10.1115/IMECE2023-113084
View Paper titled, Thermal Performance of a Geothermal Source High-Temperature Heat Pump for District Heating – Comparison of Single-Stage and Cascade Vapor Compression Cycles
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Topics: Cascades (Fluid dynamics), Central heating, Climate change, Compression, Cycles, Geothermal engineering, Heat pumps, High temperature, Vapors
Proceedings Papers

A Comparative Study of the Long-Term Performance of Vertical U-Tube Borehole Heat Exchanger and Foundation Piles in a Cold Climate

Philip Adebayo, Charaka Beragama Jathunge, Roman Shor, Abdulmajeed Mohamad, Aggrey Mwesigye
Proc. ASME. IMECE2023, Volume 7: Energy, V007T08A011, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-112353
https://doi.org/10.1115/IMECE2023-112353
View Paper titled, A Comparative Study of the Long-Term Performance of Vertical U-Tube Borehole Heat Exchanger and Foundation Piles in a Cold Climate
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Topics: Climate, Heat exchangers, Heat pumps
Proceedings Papers

Long-Term Thermal Performance Evaluation of a Novel Energy Pile for Space Heating and Cooling in a Cold Climate

Charaka Beragama Jathunge, Amirhossein Darbandi, Nayoung Kim, Sahar Taslimi Taleghani, Seth B. Dworkin, Aggrey Mwesigye
Proc. ASME. IMECE2023, Volume 7: Energy, V007T08A012, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-112783
https://doi.org/10.1115/IMECE2023-112783
View Paper titled, Long-Term Thermal Performance Evaluation of a Novel Energy Pile for Space Heating and Cooling in a Cold Climate
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Topics: Climate, Heat pumps, Heating and cooling, Performance evaluation, Stress, Temperature, Heating, Renewable energy, Carbon dioxide, Cold climates
Proceedings Papers

Investigation of the Entropy Generation and Exergy Destruction Rates for a Novel Micro-Jet Heat Sink Working With a Nanofluid for Efficient Cooling of Motor Inverters in Electric Vehicles

Nima Mazaheri, Aggrey Mwesigye
Proc. ASME. HT2023, ASME 2023 Heat Transfer Summer Conference, V001T10A003, July 10–12, 2023
Publisher: American Society of Mechanical Engineers
Paper No: HT2023-106968
https://doi.org/10.1115/HT2023-106968
View Paper titled, Investigation of the Entropy Generation and Exergy Destruction Rates for a Novel Micro-Jet Heat Sink Working With a Nanofluid for Efficient Cooling of Motor Inverters in Electric Vehicles
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Topics: Cooling, Electric vehicles, Engines, Entropy, Exergy, Heat sinks, Motors, Nanofluids
Proceedings Papers

Thermodynamic Performance Investigation of Environmentally Friendly Working Fluids in a Geothermal Integrated Pumped Thermal Energy Storage System

Aggrey Mwesigye
Proc. ASME. ES2023, ASME 2023 17th International Conference on Energy Sustainability, V001T03A006, July 10–12, 2023
Publisher: American Society of Mechanical Engineers
Paper No: ES2023-107001
https://doi.org/10.1115/ES2023-107001
View Paper titled, Thermodynamic Performance Investigation of Environmentally Friendly Working Fluids in a Geothermal Integrated Pumped Thermal Energy Storage System
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Topics: Energy storage, Fluids, Geothermal engineering, Thermal energy storage
Proceedings Papers

Design, Construction, and Thermodynamic Analysis of a Direct-Expansion Solar Assisted Heat Pump for Cold Climates

Nadia Elgamal, Jessica Sambi, Dhruvi Patel, Charuka Marasinghe, Edwin Pulikkottil, Kerwin Virtusio, Aggrey Mwesigye, Simon Li
Proc. ASME. IMECE2022, Volume 6: Energy, V006T08A014, October 30–November 3, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2022-95940
https://doi.org/10.1115/IMECE2022-95940
View Paper titled, Design, Construction, and Thermodynamic Analysis of a Direct-Expansion Solar Assisted Heat Pump for Cold Climates
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Topics: Cold climates, Construction, Design, Heat pumps, Hot water, Solar energy
Proceedings Papers

Thermal Performance of a Helical Steel Energy Pile Incorporating Latent Thermal Energy Storage for Ground Source Heat Pump Applications

Aggrey Mwesigye, Ethan Shingledecker, Andrew Walz, Seth B. Dworkin
Proc. ASME. IMECE2021, Volume 8B: Energy, V08BT08A043, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-71671
https://doi.org/10.1115/IMECE2021-71671
View Paper titled, Thermal Performance of a Helical Steel Energy Pile Incorporating Latent Thermal Energy Storage for Ground Source Heat Pump Applications
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Topics: Computational fluid dynamics, Heat pumps, Phase change materials, Steel, Thermal energy storage
Proceedings Papers

Energetic and Exergetic Performance Comparison of an Ejector Refrigeration System Using Modern Low GWP Refrigerants

Aggrey Mwesigye, Seth B. Dworkin
Proc. ASME. IMECE2019, Volume 6: Energy, V006T06A011, November 11–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2019-10542
https://doi.org/10.1115/IMECE2019-10542
View Paper titled, Energetic and Exergetic Performance Comparison of an Ejector Refrigeration System Using Modern Low GWP Refrigerants
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Topics: Climate change, Ejectors, Refrigerants, Refrigeration
Proceedings Papers

Transient Thermal Performance and Ground Temperature Variation for a Heat Pump System Using High Thermal Conductivity Energy Piles

Aggrey Mwesigye, Hiep V. Nguyen, Reza Daneshazarian, Ayman Bayomy, Pedram Atefrad, Seth B. Dworkin
Proc. ASME. IMECE2019, Volume 6: Energy, V006T06A051, November 11–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2019-12005
https://doi.org/10.1115/IMECE2019-12005
View Paper titled, Transient Thermal Performance and Ground Temperature Variation for a Heat Pump System Using High Thermal Conductivity Energy Piles
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Topics: Heat pumps, Temperature, Temperature distribution, Thermal conductivity, Transients (Dynamics)
Proceedings Papers

Heat Transfer Performance of a Parabolic Trough Receiver Using SWCNTs-Therminol®VP-1 Nanofluids

Aggrey Mwesigye, Josua P. Meyer
Proc. ASME. IMECE2017, Volume 8: Heat Transfer and Thermal Engineering, V008T10A051, November 3–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2017-71213
https://doi.org/10.1115/IMECE2017-71213
View Paper titled, Heat Transfer Performance of a Parabolic Trough Receiver Using SWCNTs-Therminol®VP-1 Nanofluids
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Topics: Heat transfer, Nanofluids, Parabolic troughs, Single-walled carbon nanotubes, Flow (Dynamics), Fluids, Solar energy systems, Temperature, Thermal efficiency, Computational fluid dynamics
Proceedings Papers

Comparative Thermal Performance of a Parabolic Trough Receiver With Cu-Therminol ® VP-1, Ag-Therminol ® VP-1 and Al 2 O 3 -Therminol ® VP-1 Nanofluids

Aggrey Mwesigye, Zhongjie Huan, Josua P. Meyer
Proc. ASME. IMECE2016, Volume 8: Heat Transfer and Thermal Engineering, V008T10A073, November 11–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2016-65263
https://doi.org/10.1115/IMECE2016-65263
View Paper titled, Comparative Thermal Performance of a Parabolic Trough Receiver With Cu-Therminol ® VP-1, Ag-Therminol ® VP-1 and Al 2 O 3 -Therminol ® VP-1 Nanofluids
Open the PDF for Comparative Thermal Performance of a Parabolic Trough Receiver With Cu-Therminol ® VP-1, Ag-Therminol ® VP-1 and Al 2 O 3 -Therminol ® VP-1 Nanofluids in another window
Topics: Nanofluids, Parabolic troughs, Silver, Computational fluid dynamics, Copper, Fluids, Nanoparticles, Thermal efficiency, Boundary-value problems, Convection
Proceedings Papers

Thermal Performance of a Receiver Tube for a High Concentration Ratio Parabolic Trough System and Potential for Improved Performance With Syltherm800-CuO Nanofluid

Aggrey Mwesigye, Zhongjie Huan, Josua P. Meyer
Proc. ASME. IMECE2015, Volume 8B: Heat Transfer and Thermal Engineering, V08BT10A004, November 13–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2015-50234
https://doi.org/10.1115/IMECE2015-50234
View Paper titled, Thermal Performance of a Receiver Tube for a High Concentration Ratio Parabolic Trough System and Potential for Improved Performance With Syltherm800-CuO Nanofluid
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Topics: Nanofluids, Parabolic troughs, Temperature, Flow (Dynamics), Heat flux, Heat transfer, Thermal efficiency, Computational fluid dynamics, Fluids, Heat losses
Proceedings Papers

Thermal Performance of a Parabolic Trough Receiver With Perforated Conical Inserts for Heat Transfer Enhancement

Aggrey Mwesigye, Tunde Bello-Ochende, Josua P. Meyer
Proc. ASME. IMECE2014, Volume 6B: Energy, V06BT07A004, November 14–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2014-39849
https://doi.org/10.1115/IMECE2014-39849
View Paper titled, Thermal Performance of a Parabolic Trough Receiver With Perforated Conical Inserts for Heat Transfer Enhancement
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Topics: Heat transfer, Parabolic troughs, Temperature, Fluids, Reynolds number, Turbulence, Coating processes, Coatings, Emissivity, Finite volume methods
Proceedings Papers

Heat Transfer Enhancement in a Parabolic Trough Receiver Using Wall Detached Twisted Tape Inserts

Aggrey Mwesigye, Tunde Bello-Ochende, Josua P. Meyer
Proc. ASME. IMECE2013, Volume 6B: Energy, V06BT07A031, November 15–21, 2013
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2013-62745
https://doi.org/10.1115/IMECE2013-62745
View Paper titled, Heat Transfer Enhancement in a Parabolic Trough Receiver Using Wall Detached Twisted Tape Inserts
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Topics: Heat transfer, Parabolic troughs, Viscosity, Temperature, Computer simulation, Finite volume methods, Fluids, Reynolds number, Turbulence