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Journal Articles

Application of a Ranque–Hilsch Vortex Flow in an Internal Cooling of a Gas Turbine Engine Blade

Daisy Galeana, Ashenafi Abebe, Asfaw Beyene
Journal: ASME Open Journal of Engineering
Publisher: ASME
Article Type: Research Papers
ASME Open J. Engineering. January 2024, 3: 031006.
Paper No: AOJE-24-1008
https://doi.org/10.1115/1.4065106
Published Online: April 9, 2024
View Article titled, Application of a Ranque–Hilsch Vortex Flow in an Internal Cooling of a Gas Turbine Engine Blade
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Topics: Blades, Cooling, Flow (Dynamics), Gas turbines, Pressure, Temperature, Vortex flow, Computational fluid dynamics, Compression, Vortices
Journal Articles

Current Trends and Innovations in Enhancing the Aerodynamic Performance of Small-Scale, Horizontal Axis Wind Turbines: A Review

Belayneh Y. Kassa, Aklilu T. Baheta, Asfaw Beyene
Journal: ASME Open Journal of Engineering
Publisher: ASME
Article Type: Research Papers
ASME Open J. Engineering. January 2024, 3: 031001.
Paper No: AOJE-23-1090
https://doi.org/10.1115/1.4064141
Published Online: January 4, 2024
View Article titled, Current Trends and Innovations in Enhancing the Aerodynamic Performance of Small-Scale, Horizontal Axis Wind Turbines: A Review
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Topics: Airfoils, Blades, Horizontal axis wind turbines, Rotors, Wind turbines, Wind velocity, Design, Turbines, Wind
Proceedings Papers

A New Numerical Procedure for Simulation of the Gas Turbine Engine

Asfaw Beyene, Andrzej Miller
Proc. ASME. IMECE96, Advanced Energy Systems, 517-525, November 17–22, 1996
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1996-0311
https://doi.org/10.1115/IMECE1996-0311
View Paper titled, A New Numerical Procedure for Simulation of the Gas Turbine Engine
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Topics: Gas turbines, Simulation, Compressors, Cycles, Design, Flow (Dynamics), Framing (Construction), Nonlinear equations, Structural frames, Thermodynamic cycles
Journal Articles

Conversion of Thermally Amplified Hydraulic Shock for Power Generation: Modeling and Experimental Analyses

Ashenafi Abebe, Yilma Tadesse, Asfaw Beyene
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. February 2023, 145(2): 022103.
Paper No: JERT-22-1349
https://doi.org/10.1115/1.4054826
Published Online: July 18, 2022
View Article titled, Conversion of Thermally Amplified Hydraulic Shock for Power Generation: Modeling and Experimental Analyses
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Topics: Hydraulic pumps, Pipes, Pumps, Water, Water hammer, Pressure, Energy generation, Flow (Dynamics), Temperature
Proceedings Papers

Defining the Quality of Indoor Air Supply Based on Dilution and Ventilation Concepts

Asfaw Beyene
Proc. ASME. IMECE98, Advanced Energy Systems, 27-32, November 15–20, 1998
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1998-0822
https://doi.org/10.1115/IMECE1998-0822
View Paper titled, Defining the Quality of Indoor Air Supply Based on Dilution and Ventilation Concepts
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Topics: Ventilation, Pollution, Aerosols, Air pollution, Oxygen, Pressure, Space
Journal Articles

Design, Simulation, and Experimental Validation of Thermally Infused Hydraulic Ram Pump

Ashenafi Abebe Mebrat, Yilma Tadesse, Asfaw Beyene
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. February 2022, 144(2): 022103.
Paper No: JERT-20-1728
https://doi.org/10.1115/1.4051211
Published Online: June 7, 2021
View Article titled, Design, Simulation, and Experimental Validation of Thermally Infused Hydraulic Ram Pump
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Topics: Design, Hydraulic pumps, Pressure, Pumps, Simulation, Temperature, Water, Water hammer, Computational fluid dynamics, Pipes
Journal Articles

Gas Turbine Blade Heat Transfer and Internal Swirl Cooling Flow Experimental Study Using Liquid Crystals and Three-Dimensional Stereo-Particle Imaging Velocimetry

Daisy Galeana, Asfaw Beyene
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. October 2021, 143(10): 102106.
Paper No: JERT-20-1772
https://doi.org/10.1115/1.4050352
Published Online: March 17, 2021
View Article titled, Gas Turbine Blade Heat Transfer and Internal Swirl Cooling Flow Experimental Study Using Liquid Crystals and Three-Dimensional Stereo-Particle Imaging Velocimetry
Open the PDF for Gas Turbine Blade Heat Transfer and Internal Swirl Cooling Flow Experimental Study Using Liquid Crystals and Three-Dimensional Stereo-Particle Imaging Velocimetry in another window
Topics: Blades, Cooling, Flow (Dynamics), Gas turbines, Heat transfer, Liquid crystals, Particulate matter, Temperature, Imaging, Heat
Journal Articles

A Swirl Cooling Flow Experimental Investigation on a Circular Chamber Using Three-Dimensional Stereo-Particle Imaging Velocimetry

Daisy Galeana, Asfaw Beyene
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. April 2020, 142(4): 042002.
Paper No: JERT-19-1280
https://doi.org/10.1115/1.4044575
Published Online: September 12, 2019
View Article titled, A Swirl Cooling Flow Experimental Investigation on a Circular Chamber Using Three-Dimensional Stereo-Particle Imaging Velocimetry
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Topics: Cooling, Flow (Dynamics), Particulate matter, Reynolds number, Imaging, Temperature
Proceedings Papers

Experimental Study of Swirl Cooling Flow on a Circular Chamber Using 3-D Stereo-PIV

Daisy Galeana, Asfaw Beyene
Proc. ASME. POWER2018, Volume 2: Heat Exchanger Technologies; Plant Performance; Thermal Hydraulics and Computational Fluid Dynamics; Water Management for Power Systems; Student Competition, V002T10A006, June 24–28, 2018
Publisher: American Society of Mechanical Engineers
Paper No: POWER2018-7379
https://doi.org/10.1115/POWER2018-7379
View Paper titled, Experimental Study of Swirl Cooling Flow on a Circular Chamber Using 3-D Stereo-PIV
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Topics: Cooling, Flow (Dynamics), Particulate matter, Visualization, Blades, Gas turbines, Heat transfer, Jets, Matlab, Reynolds number
Journal Articles

Impact of Air Quality and Site Selection on Gas Turbine Engine Performance

David W. MacPhee, Asfaw Beyene
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. February 2018, 140(2): 020903.
Paper No: JERT-17-1049
https://doi.org/10.1115/1.4038118
Published Online: October 17, 2017
View Article titled, Impact of Air Quality and Site Selection on Gas Turbine Engine Performance
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Topics: Air pollution, Computational fluid dynamics, Gas turbines, Particulate matter, Pressure, Simulation, Turbulence, Combined heat and power, Cities, Modeling
Journal Articles

A Novel Geometry for Vertical Axis Wind Turbines Based on the Savonius Concept

Michele Mari, Mauro Venturini, Asfaw Beyene
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. November 2017, 139(6): 061202.
Paper No: JERT-17-1221
https://doi.org/10.1115/1.4036964
Published Online: July 18, 2017
View Article titled, A Novel Geometry for Vertical Axis Wind Turbines Based on the Savonius Concept
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Topics: Blades, Computational fluid dynamics, Geometry, Rotors, Savonius wind turbines, Splines, Torque, Turbulence, Simulation, Vertical axis wind turbines
Proceedings Papers

Performance Evaluation of Novel Spline-Curved Blades of a Vertical Axis Wind Turbine Based on the Savonius Concept

Michele Mari, Mauro Venturini, Asfaw Beyene
Proc. ASME. IMECE2016, Volume 6A: Energy, V06AT08A014, November 11–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2016-65122
https://doi.org/10.1115/IMECE2016-65122
View Paper titled, Performance Evaluation of Novel Spline-Curved Blades of a Vertical Axis Wind Turbine Based on the Savonius Concept
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Topics: Blades, Performance evaluation, Savonius wind turbines, Splines, Vertical axis wind turbines, Rotors, Computational fluid dynamics, Geometry, Turbulence, Air flow
Proceedings Papers

The Straight-Bladed Morphing Vertical Axis Wind Turbine

David MacPhee, Asfaw Beyene
Proc. ASME. POWER2016, ASME 2016 Power Conference, V001T08A004, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: POWER2016-59192
https://doi.org/10.1115/POWER2016-59192
View Paper titled, The Straight-Bladed Morphing Vertical Axis Wind Turbine
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Topics: Vertical axis wind turbines, Blades, Horizontal axis wind turbines, Turbines, Design, Engineering simulation, Fluids, Geometry, Simulation, Torque
Proceedings Papers

Wave-Powered Desalination

Brian Stiber, Asfaw Beyene
Proc. ASME. POWER2015, ASME 2015 Power Conference, V001T01A001, June 28–July 2, 2015
Publisher: American Society of Mechanical Engineers
Paper No: POWER2015-49087
https://doi.org/10.1115/POWER2015-49087
View Paper titled, Wave-Powered Desalination
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Topics: Waves, Water, Wave energy, Climate change, Computer software, Modeling, Seawater, Shorelines, Sustainability
Proceedings Papers

Feasibility of Matching Wind and Wave Energy Conversion for an Integrated Design Concept

Asfaw Beyene, Michael Anderson
Proc. ASME. POWER2015, ASME 2015 Power Conference, V001T01A002, June 28–July 2, 2015
Publisher: American Society of Mechanical Engineers
Paper No: POWER2015-49108
https://doi.org/10.1115/POWER2015-49108
View Paper titled, Feasibility of Matching Wind and Wave Energy Conversion for an Integrated Design Concept
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Topics: Design, Wave energy, Wind, Waves, Computer software, Modeling, Shorelines, Wind turbines
Proceedings Papers

Performance Investigation of a Small Horizontal Axis Wind Turbine Equipped With Flexible Blades

David W. MacPhee, Asfaw Beyene
Proc. ASME. POWER2015, ASME 2015 Power Conference, V001T01A003, June 28–July 2, 2015
Publisher: American Society of Mechanical Engineers
Paper No: POWER2015-49122
https://doi.org/10.1115/POWER2015-49122
View Paper titled, Performance Investigation of a Small Horizontal Axis Wind Turbine Equipped With Flexible Blades
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Topics: Blades, Horizontal axis wind turbines, Wind turbines, Turbines, Design, Rotors
Journal Articles

Integrated Resource Mapping of Wave and Wind Energy

Michael Anderson, Asfaw Beyene
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. January 2016, 138(1): 011203.
Paper No: JERT-15-1095
https://doi.org/10.1115/1.4031673
Published Online: October 16, 2015
View Article titled, Integrated Resource Mapping of Wave and Wind Energy
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Topics: Wave energy, Waves, Wind, Wind energy, Modeling, Shorelines
Proceedings Papers

Comparative Analysis of Gas Turbine Engine Starting

Asfaw Beyene, Terry Fredlund
Proc. ASME. GT1998, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T11A009, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-419
https://doi.org/10.1115/98-GT-419
View Paper titled, Comparative Analysis of Gas Turbine Engine Starting
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Topics: Gas turbines, Engines, Stress, Combustion, Defense industry, Engine start-up, Fuel consumption, Hydraulic drive systems, Safety, Torque
Proceedings Papers

Development and Validation of an Advanced Simulation Model for ORC-Based Systems

Davide Ziviani, Asfaw Beyene, Mauro Venturini
Proc. ASME. IMECE2012, Volume 6: Energy, Parts A and B, 331-345, November 9–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2012-85734
https://doi.org/10.1115/IMECE2012-85734
View Paper titled, Development and Validation of an Advanced Simulation Model for ORC-Based Systems
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Topics: Organic Rankine cycle, Simulation models, Heat, Modeling, Combined heat and power, Energy / power systems, Fluids, Geothermal power, Heat exchangers, Low temperature
Proceedings Papers

Application of an Advanced Simulation Model to a Micro-CHP ORC-Based System for Ultra-Low Grade Heat Recovery

Davide Ziviani, Asfaw Beyene, Mauro Venturini
Proc. ASME. IMECE2012, Volume 6: Energy, Parts A and B, 347-359, November 9–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2012-85735
https://doi.org/10.1115/IMECE2012-85735
View Paper titled, Application of an Advanced Simulation Model to a Micro-CHP ORC-Based System for Ultra-Low Grade Heat Recovery
Open the PDF for Application of an Advanced Simulation Model to a Micro-CHP ORC-Based System for Ultra-Low Grade Heat Recovery in another window
Topics: Combined heat and power, Heat recovery, Organic Rankine cycle, Simulation models, Heat, Reservoirs, Simulation, Cooling, Dynamic response, Fluids