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Ahmed hamza H. Ali
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Proceedings Papers

Performance Assessment of Turbojet Engine Operated With Alternative Biodiesel

Mohamed Noureldin Ibrahim, Ahmed Hamza H. Ali, S. Ookawara
Proc. ASME. POWER2013, Volume 1: Fuels and Combustion, Material Handling, Emissions; Steam Generators; Heat Exchangers and Cooling Systems; Turbines, Generators and Auxiliaries; Plant Operations and Maintenance, V001T01A026, July 29–August 1, 2013
Paper No: POWER2013-98183
DOI: https://doi.org/10.1115/POWER2013-98183
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Topics: Biodiesel, Engines, Turbojets, Fuels, Ester, Thrust, Valves, Chemical properties, Data acquisition systems, Density
Proceedings Papers

Methanol Crossover in Direct Methanol Fuel Cells for Portable Applications: Achievements and Challenges

Mahmoud Ahmed, Ahmed Hamza H. Ali, Ibrahim Dincer
Proc. ASME. IMECE2010, Volume 5: Energy Systems Analysis, Thermodynamics and Sustainability; NanoEngineering for Energy; Engineering to Address Climate Change, Parts A and B, 917-925, November 12–18, 2010
Paper No: IMECE2010-38949
DOI: https://doi.org/10.1115/IMECE2010-38949
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Topics: Direct methanol fuel cells, Methanol, Proton exchange membranes
Proceedings Papers

An Experimental Study of Operational Parameters on the Performance of PEMFCs

Emad G. Barakat, Ali K. Abdel-Rahman, Mahmoud A. Ahmed, Ahmed Hamza H. Ali
Proc. ASME. IMECE2010, Volume 5: Energy Systems Analysis, Thermodynamics and Sustainability; NanoEngineering for Energy; Engineering to Address Climate Change, Parts A and B, 927-933, November 12–18, 2010
Paper No: IMECE2010-39080
DOI: https://doi.org/10.1115/IMECE2010-39080
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Topics: Fuel cells, Proton exchange membrane fuel cells
Proceedings Papers

Study of Heat Transfer and Fluid Flow in Transitional Regime Inside a Channel With Offset Plates Heated by Radiation for Photovoltaic/Thermal System

Ahmed Hamza H. Ali, M. S. Youssef, Mahmoud Ahmed
Proc. ASME. IMECE2010, Volume 5: Energy Systems Analysis, Thermodynamics and Sustainability; NanoEngineering for Energy; Engineering to Address Climate Change, Parts A and B, 219-231, November 12–18, 2010
Paper No: IMECE2010-37521
DOI: https://doi.org/10.1115/IMECE2010-37521
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Topics: Fluid dynamics, Heat transfer, Plates (structures), Radiation (Physics), Thermal systems, Convection, Heat flux, Solar collectors, Channel flow, Friction
Journal Articles

A One-Dimensional Model of Viscous Liquid Jets Breakup

Mahmoud Ahmed, M. M. Abou-Al-Sood, Ahmed hamza H. Ali
Journal: Journal of Fluids Engineering
Article Type: Technical Briefs
J. Fluids Eng. November 2011, 133(11): 114501.
DOI: https://doi.org/10.1115/1.4004909
Published Online: October 13, 2011
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Topics: Jets, Satellites, Waves, Viscosity
Journal Articles

Performance of an Absorber With Hydrophobic Membrane Contactor at Aqueous Solution-Water Vapor Interface

Ahmed Hamza H. Ali
Journal: Journal of Thermal Science and Engineering Applications
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. September 2010, 2(3): 031007.
DOI: https://doi.org/10.1115/1.4003067
Published Online: December 21, 2010
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Topics: Absorption, Coolants, Cooling, Design, Heat, Heat transfer, Mass transfer, Membranes, Temperature, Vapors
Proceedings Papers

Performance of an Absorber With Hydrophobic Membrane Contactor at Aqueous Solution-Water Vapor Interface

Ahmed Hamza H. Ali, Mahmoud Ahmed
Proc. ASME. ES2009, ASME 2009 3rd International Conference on Energy Sustainability, Volume 1, 921-928, July 19–23, 2009
Paper No: ES2009-90217
DOI: https://doi.org/10.1115/ES2009-90217
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Topics: Membranes, Vapors, Water, Cooling, Design, Hot water, Temperature, Coolants, Absorption, Condensers (steam plant)
Proceedings Papers

A New Criterion for the Onset of Liquid Entrainment From a Stratified Two-Phase Region Through a Small Branch

Mahmoud Ahmed, Ahmed Hamza H. Ali
Proc. ASME. HT2009, Volume 3: Combustion, Fire and Reacting Flow; Heat Transfer in Multiphase Systems; Heat Transfer in Transport Phenomena in Manufacturing and Materials Processing; Heat and Mass Transfer in Biotechnology; Low Temperature Heat Transfer; Environmental Heat Transfer; Heat Transfer Education; Visualization of Heat Transfer, 505-510, July 19–23, 2009
Paper No: HT2009-88536
DOI: https://doi.org/10.1115/HT2009-88536
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Topics: Flammable liquids, Flow instability, Fluids, Suction, Three-dimensional models