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Ahmed A. Hamada
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Journal Articles

Fatigue-Life Prediction of the Optimized Savonius Vertical-Axis Wind Turbine Composite Blades

Sobhy M. Ghoneam, Ahmed A. Hamada, Taha S. Sherif
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. July 2024, 146(7): 071801.
Paper No: JERT-23-1938
https://doi.org/10.1115/1.4065204
Published Online: April 23, 2024
View Article titled, Fatigue-Life Prediction of the Optimized Savonius Vertical-Axis Wind Turbine Composite Blades
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Topics: Blades, Composite materials, Fatigue life, Savonius wind turbines, Vertical axis wind turbines, Rotors
Journal Articles

Fatigue-Life Estimation of Vertical-Axis Wind Turbine Composite Blades Using Modal Analysis

Sobhy M. Ghoneam, Ahmed A. Hamada, Taha S. Sherif
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. March 2024, 146(3): 031301.
Paper No: JERT-23-1608
https://doi.org/10.1115/1.4064178
Published Online: December 18, 2023
View Article titled, Fatigue-Life Estimation of Vertical-Axis Wind Turbine Composite Blades Using Modal Analysis
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Topics: Blades, Composite materials, Design, Fatigue life, Vertical axis wind turbines, Optimization, Modal analysis, Modeling
Journal Articles

Dynamic Transition of Unsteady Supersonic Flow From Mach to Regular Reflection Over a Moving Wedge

Lubna Margha, Ahmed A. Hamada, Ahmed Eltaweel
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. September 2023, 145(9): 091201.
Paper No: FE-22-1460
https://doi.org/10.1115/1.4062194
Published Online: May 15, 2023
View Article titled, Dynamic Transition of Unsteady Supersonic Flow From Mach to Regular Reflection Over a Moving Wedge
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Topics: Reflection, Shock (Mechanics), Supersonic flow, Wedges, Mach number, Waves, Steady state, Flow (Dynamics)
Journal Articles

Modeling and Analysis of the Leading-Edge Vortex on Flapping Foil Turbines in Swing-Arm Mode

Ahmed A. Hamada, Mirjam Fürth
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. June 2023, 145(6): 061105.
Paper No: FE-22-1459
https://doi.org/10.1115/1.4057035
Published Online: March 20, 2023
View Article titled, Modeling and Analysis of the Leading-Edge Vortex on Flapping Foil Turbines in Swing-Arm Mode
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Topics: Circular cylinders, Computer simulation, Finite element methods, Flow (Dynamics), Modeling, Oscillations, Reynolds number, Turbines, Vortices, Drag (Fluid dynamics)
Proceedings Papers

Shock System Dynamics of a Morphing Bump Over a Flat Plate

Ahmed A. Hamada, Lubna Margha, Mohamed M. AbdelRahman, Amr Guaily
Proc. ASME. FEDSM2022, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC), V001T03A018, August 3–5, 2022
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2022-87504
https://doi.org/10.1115/FEDSM2022-87504
View Paper titled, Shock System Dynamics of a Morphing Bump Over a Flat Plate
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Topics: Flat plates, Flow control, Shock (Mechanics), Supersonic flow, System dynamics
Proceedings Papers

Numerical Investigation of a Rotating Double Compression Ramp Intake

Lubna Margha, Ahmed A. Hamada, Othman Ahmed, Ahmed Eltaweel
Proc. ASME. FEDSM2022, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC), V001T03A033, August 3–5, 2022
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2022-87753
https://doi.org/10.1115/FEDSM2022-87753
View Paper titled, Numerical Investigation of a Rotating Double Compression Ramp Intake
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Topics: Compression, Reflection, Shock waves, Wedges, Engines, Pressure, Propulsion, Rotation, Shock (Mechanics), Transients (Dynamics)
Proceedings Papers

Dynamic Transition From Mach to Regular Reflection Over a Moving Wedge

Lubna Margha, Ahmed A. Hamada, Ahmed Eltaweel
Proc. ASME. FEDSM2022, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC), V001T03A034, August 3–5, 2022
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2022-87754
https://doi.org/10.1115/FEDSM2022-87754
View Paper titled, Dynamic Transition From Mach to Regular Reflection Over a Moving Wedge
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Topics: Reflection, Supersonic flow, Wedges
Proceedings Papers

Development of a Finite Element Solver Including a Level-Set Method for Modeling Hydrokinetic Turbines

Ahmed A. Hamada, Mirjam Fürth
Proc. ASME. FEDSM2022, Volume 2: Multiphase Flow (MFTC); Computational Fluid Dynamics (CFDTC); Micro and Nano Fluid Dynamics (MNFDTC), V002T05A027, August 3–5, 2022
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2022-87877
https://doi.org/10.1115/FEDSM2022-87877
View Paper titled, Development of a Finite Element Solver Including a Level-Set Method for Modeling Hydrokinetic Turbines
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Topics: Finite element analysis, Finite element methods, Hydraulic turbines, Modeling, Turbines, Separation (Technology), Vortices, Computer simulation, Density, Energy harvesting
Proceedings Papers

Dynamic Transition From Regular to Mach Reflection Over a Moving Wedge

Lubna Margha, Ahmed A. Hamada, Doyle D. Knight, Ahmed Eltaweel
Proc. ASME. IMECE2021, Volume 4: Advances in Aerospace Technology, V004T04A006, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-69625
https://doi.org/10.1115/IMECE2021-69625
View Paper titled, Dynamic Transition From Regular to Mach Reflection Over a Moving Wedge
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Topics: Reflection, Supersonic flow, Wedges
Proceedings Papers

Ground Effect on Current Energy Harvesting From a Freely-Oscillating Circular Cylinder at Low Reynolds Number

Ahmed A. Hamada, Mirjam Fürth
Proc. ASME. OMAE2021, Volume 9: Ocean Renewable Energy, V009T09A003, June 21–30, 2021
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2021-63454
https://doi.org/10.1115/OMAE2021-63454
View Paper titled, Ground Effect on Current Energy Harvesting From a Freely-Oscillating Circular Cylinder at Low Reynolds Number
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Topics: Circular cylinders, Cylinders, Energy harvesting, Oscillations, Reynolds number, Vortex-induced vibration
Journal Articles

Dynamic Analysis of the Optimized Savonius Vertical Axis Wind Turbine Composite Blades

Sobhy M. Ghoneam, Ahmed A. Hamada, Taha S. Sherif
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Technical Briefs
J. Sol. Energy Eng. October 2021, 143(5): 054502.
Paper No: SOL-20-1363
https://doi.org/10.1115/1.4050519
Published Online: April 2, 2021
View Article titled, Dynamic Analysis of the Optimized Savonius Vertical Axis Wind Turbine Composite Blades
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Topics: Blades, Composite materials, Rotors, Savonius wind turbines, Vertical axis wind turbines, Design, Wind