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Proceedings Papers

The Potential and Limitations of Using Geothermal-Sourced Chiller Plants to Eliminate Cooling Towers

Ahmed Farag, Mahmoud Ahmed, Shinichi Ookawara, Mohamed Emam

Proc. ASME. IMECE2022, Volume 6: Energy, V006T08A030, October 30–November 3, 2022

Paper No: IMECE2022-96657

DOI: https://doi.org/10.1115/IMECE2022-96657

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Topics: Cooling towers, Geothermal engineering, Heat exchangers

Proceedings Papers

Is the Blood Flow Laminar or Turbulent at Stenosed Coronary Artery?

Muhamed Albadawi, Yasser Abuouf, Samir Elsagheer, Hidetoshi Sekiguchi, Shinichi Ookawara, Mahmoud Ahmed

Proc. ASME. IMECE2022, Volume 4: Biomedical and Biotechnology; Design, Systems, and Complexity, V004T05A032, October 30–November 3, 2022

Paper No: IMECE2022-95594

DOI: https://doi.org/10.1115/IMECE2022-95594

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Topics: Blood flow, Coronary arteries, Flow (Dynamics), Turbulence

Proceedings Papers

Non-Newtonian Blood Flow in a Diseased Abdominal Aortic Arterial Segment Under the Effect of an External Magnetic Field: A Numerical Study

Ahmed Elhanafy, Yasser Abuouf, Shinichi Ookawara, Mahmoud Ahmed

Proc. ASME. IMECE2022, Volume 4: Biomedical and Biotechnology; Design, Systems, and Complexity, V004T05A029, October 30–November 3, 2022

Paper No: IMECE2022-95336

DOI: https://doi.org/10.1115/IMECE2022-95336

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Topics: Aneurysms, Blood flow, Magnetic fields, Non-Newtonian fluids, Shear stress, Blood, Computer simulation, Flow (Dynamics), Hemodynamics, Magnetic resonance imaging

Proceedings Papers

Numerical Simulation of Aggregation and Deformation of Red Blood Cells in Microchannels With Different Stenosis Severities

Ahmed Elhanafy, Yasser Abuouf, Samir Elsagheer, Shinichi Ookawara, Mahmoud Ahmed

Proc. ASME. IMECE2022, Volume 4: Biomedical and Biotechnology; Design, Systems, and Complexity, V004T05A030, October 30–November 3, 2022

Paper No: IMECE2022-95360

DOI: https://doi.org/10.1115/IMECE2022-95360

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Topics: Computer simulation, Deformation, Erythrocytes, Lattice Boltzmann methods, Microchannels, Blood flow, Modeling, Blood, Cardiovascular system, Cell membranes

Proceedings Papers

An Experimental Investigation Onto the Effect of Two Design Methods of Leading-Edge Tubercles on the Aerodynamic Performance of a High Lift Airfoil at Low Reynolds Number

Amr A. Khedr, Ihab Adam, Shinichi Ookawara, Ahmed El-Wardany, Hamdy Hassan

Proc. ASME. IMECE2021, Volume 4: Advances in Aerospace Technology, V004T04A007, November 1–5, 2021

Paper No: IMECE2021-70292

DOI: https://doi.org/10.1115/IMECE2021-70292

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Topics: Airfoils, Design methodology, Flow control, Reynolds number, Wind turbines

Journal Articles

Influence of Varying the Stage Aspect Ratio on the Performance of Multi-Stage Savonius Wind Rotors

Ahmed S. Saad, Shinichi Ookawara, Mahmoud Ahmed

J. Energy Resour. Technol. January 2022, 144(1): 011301.

Paper No: JERT-21-1033

DOI: https://doi.org/10.1115/1.4050876

Published Online: May 6, 2021

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Topics: Rotors, Savonius wind turbines, Torque

Proceedings Papers

Effect of the Number of Stages on the Performance of Savonius Vertical Axis Wind Turbines: Part I — Using Straight Semicircular Blades

Ahmed S. Saad, Shinichi Ookawara, Ahmed Elwardany, Ibrahim I. El-Sharkawy, Mahmoud Ahmed

Proc. ASME. IMECE2020, Volume 10: Fluids Engineering, V010T10A058, November 16–19, 2020

Paper No: IMECE2020-23555

DOI: https://doi.org/10.1115/IMECE2020-23555

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Topics: Blades, Rotors, Savonius wind turbines, Vertical axis wind turbines

Proceedings Papers

Effect of the Number of Stages on the Performance of Savonius Vertical Axis Wind Turbines: Part II — Using Twisted Blades

Ahmed S. Saad, Shinichi Ookawara, Ahmed Elwardany, Ibrahim I. El-Sharkawy, Mahmoud Ahmed

Proc. ASME. IMECE2020, Volume 10: Fluids Engineering, V010T10A059, November 16–19, 2020

Paper No: IMECE2020-23574

DOI: https://doi.org/10.1115/IMECE2020-23574

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Topics: Blades, Rotors, Savonius wind turbines, Vertical axis wind turbines

Proceedings Papers

A Numerical Study Into the Influence of Leading Edge Tubercles on the Aerodynamic Performance of a Highly Cambered High Lift Airfoil Wing at Different Reynolds Numbers

Amr Abdelrahman, Amr Emam, Ihab Adam, Hamdy Hassan, Shinichi Ookawara, Ahmed El-wardany

Proc. ASME. IMECE2020, Volume 4: Advances in Aerospace Technology, V004T04A001, November 16–19, 2020

Paper No: IMECE2020-23634

DOI: https://doi.org/10.1115/IMECE2020-23634

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Topics: Airfoils, Flow control, Reynolds number, Wings

Proceedings Papers

Assessment of Invasive Fractional Flow Reserve Procedures Using Computational Fluid Dynamics

Yasser Abuouf, Muhamed Albadawi, Shinichi Ookawara, Mahmoud Ahmed

Proc. ASME. IMECE2020, Volume 5: Biomedical and Biotechnology, V005T05A030, November 16–19, 2020

Paper No: IMECE2020-23401

DOI: https://doi.org/10.1115/IMECE2020-23401

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Topics: Computational fluid dynamics, Flow (Dynamics)

Proceedings Papers

Influence of Carotid Artery Stenosis Location on Lesion Progression Using Computational Fluid Dynamics

Muhamed Albadawi, Yasser Abuouf, Shinichi Ookawara, Mahmoud Ahmed

Proc. ASME. IMECE2020, Volume 5: Biomedical and Biotechnology, V005T05A031, November 16–19, 2020

Paper No: IMECE2020-23451

DOI: https://doi.org/10.1115/IMECE2020-23451

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Topics: Atherosclerosis, Carotid arteries, Computational fluid dynamics

Journal Articles

Carbon Dioxide Bubbles Removal by Capillary Actuation in the Anode Channel of Direct Methanol Fuel Cells

Sameer Osman, Shinichi Ookawara, Mahmoud Ahmed

J. Energy Resour. Technol. September 2021, 143(9): 090903.

Paper No: JERT-20-1792

DOI: https://doi.org/10.1115/1.4049288

Published Online: January 15, 2021

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Topics: Anodes, Bubbles, Carbon dioxide, Diffusion (Physics), Direct methanol fuel cells, Flow (Dynamics), Methanol

Proceedings Papers

Developing an Optimum Design of the Double Layer Microchannel Heat Sink for High Speed CPUs

Ali Radwan, Essam M. Abo-Zahhad, O. Abdelrehim, A. H. El-Shazly, Shinichi Ookawara, M. M. Awad, M. F. El-Kady, Mohamed R. Elmarghany, Mohamed S. Salem, Mahmoud A. Shouman

Proc. ASME. ICNMM2020, ASME 2020 18th International Conference on Nanochannels, Microchannels, and Minichannels, V001T04A001, July 13–15, 2020

Paper No: ICNMM2020-1005

DOI: https://doi.org/10.1115/ICNMM2020-1005

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Topics: Design, Heat sinks, Microchannels, Flow (Dynamics), Temperature, Computational fluid dynamics, Coolants, Heat, Simulation, Cooling

Proceedings Papers

Four Compartments Stepwise Varied Width Microchannels Cooling Approach for Densely-Packed Module of Concentration Photovoltaics

Essam M. Abo-Zahhad, A. H. El-Shazly, Shinichi Ookawara, M. F. El-Kady, Abdallah Y. M. Ali, Hesham I. Elqady, Mohamed R. Elmarghany, Mohamed S. Salem, Mahmoud A. Shouman, Ali Radwan

Proc. ASME. ICNMM2020, ASME 2020 18th International Conference on Nanochannels, Microchannels, and Minichannels, V001T04A002, July 13–15, 2020

Paper No: ICNMM2020-1006

DOI: https://doi.org/10.1115/ICNMM2020-1006

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Topics: Cooling, Microchannels, Photovoltaics, Heat sinks, Temperature, Solar cells, Flow (Dynamics), Dimensions, Heat, Manifolds

Proceedings Papers

Design and Optimization of Microchannel Heat Sink for Densely Packed High Concentration Solar Cells

Abdallah Y. M. Ali, Essam M. Abo-Zahhad, Ali Radwan, Hesham I. Elqady, M. F. El-Kady, Shinichi Ookawara, A. H. El-Shazly

Proc. ASME. HT2020, ASME 2020 Heat Transfer Summer Conference, V001T11A009, July 13–15, 2020

Paper No: HT2020-9097

DOI: https://doi.org/10.1115/HT2020-9097

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Topics: Design, Geometry, Heat sinks, Microchannels, Optimization, Solar cells

Proceedings Papers

Effect of Anode Flow Channel Design on the Carbon Dioxide Bubble Removal in Direct Methanol Fuel Cells

Sameer Osman, Shinichi Ookawara, Mahmoud Ahmed

Proc. ASME. ES2020, ASME 2020 14th International Conference on Energy Sustainability, V001T05A003, June 17–18, 2020

Paper No: ES2020-1659

DOI: https://doi.org/10.1115/ES2020-1659

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Topics: Anodes, Bubbles, Carbon dioxide, Design, Direct methanol fuel cells, Flow (Dynamics)

Proceedings Papers

Influence of Fractional Flow Reserve Setting on the Procedure Precision

Yasser Abuouf, Shinichi Ookawara, Mahmoud Ahmed

Proc. ASME. IMECE2019, Volume 3: Biomedical and Biotechnology Engineering, V003T04A034, November 11–14, 2019

Paper No: IMECE2019-10427

DOI: https://doi.org/10.1115/IMECE2019-10427

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Topics: Flow (Dynamics)

Proceedings Papers

Enhancing Fractional Flow Reserve Procedure in Stenosis Diagnosis

Yasser Abuouf, Shinichi Ookawara, Mahmoud Ahmed

Proc. ASME. IMECE2019, Volume 3: Biomedical and Biotechnology Engineering, V003T04A002, November 11–14, 2019

Paper No: IMECE2019-10425

DOI: https://doi.org/10.1115/IMECE2019-10425

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Topics: Flow (Dynamics)

Proceedings Papers

Performance Analysis of Concentrator Photovoltaic/Microchannel Heat Sink System Using Nanofluid

Ali Radwan, Mohamed M. Awad, Shinichi Ookawara, Mahmoud Ahmed

Proc. ASME. ICNMM2019, ASME 2019 17th International Conference on Nanochannels, Microchannels, and Minichannels, V001T11A001, June 23–26, 2019

Paper No: ICNMM2019-4256

DOI: https://doi.org/10.1115/ICNMM2019-4256

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Topics: Heat sinks, Microchannels, Nanofluids, Cooling, Ethanol, Flow (Dynamics), Solar cells, Temperature, Circuits, Coolants

Proceedings Papers

Performance of Concentrator Photovoltaic Systems Integrated With Double Layer Microchannel Heat Sink

Ali Radwan, Mohamed M. Awad, Shinichi Ookawara, Mahmoud Ahmed

Proc. ASME. ICNMM2019, ASME 2019 17th International Conference on Nanochannels, Microchannels, and Minichannels, V001T11A002, June 23–26, 2019

Paper No: ICNMM2019-4259

DOI: https://doi.org/10.1115/ICNMM2019-4259

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Topics: Heat sinks, Microchannels, Photovoltaic power systems, Flow (Dynamics), Boiling, Cooling, Coolants, Solar cells, Temperature, Design

Journal citation

NARROW

The Potential and Limitations of Using Geothermal-Sourced Chiller Plants to Eliminate Cooling Towers

Is the Blood Flow Laminar or Turbulent at Stenosed Coronary Artery?

Non-Newtonian Blood Flow in a Diseased Abdominal Aortic Arterial Segment Under the Effect of an External Magnetic Field: A Numerical Study

Numerical Simulation of Aggregation and Deformation of Red Blood Cells in Microchannels With Different Stenosis Severities

An Experimental Investigation Onto the Effect of Two Design Methods of Leading-Edge Tubercles on the Aerodynamic Performance of a High Lift Airfoil at Low Reynolds Number

Influence of Varying the Stage Aspect Ratio on the Performance of Multi-Stage Savonius Wind Rotors

Effect of the Number of Stages on the Performance of Savonius Vertical Axis Wind Turbines: Part I — Using Straight Semicircular Blades

Effect of the Number of Stages on the Performance of Savonius Vertical Axis Wind Turbines: Part II — Using Twisted Blades

A Numerical Study Into the Influence of Leading Edge Tubercles on the Aerodynamic Performance of a Highly Cambered High Lift Airfoil Wing at Different Reynolds Numbers

Assessment of Invasive Fractional Flow Reserve Procedures Using Computational Fluid Dynamics

Influence of Carotid Artery Stenosis Location on Lesion Progression Using Computational Fluid Dynamics

Carbon Dioxide Bubbles Removal by Capillary Actuation in the Anode Channel of Direct Methanol Fuel Cells

Developing an Optimum Design of the Double Layer Microchannel Heat Sink for High Speed CPUs

Four Compartments Stepwise Varied Width Microchannels Cooling Approach for Densely-Packed Module of Concentration Photovoltaics

Design and Optimization of Microchannel Heat Sink for Densely Packed High Concentration Solar Cells

Effect of Anode Flow Channel Design on the Carbon Dioxide Bubble Removal in Direct Methanol Fuel Cells

Influence of Fractional Flow Reserve Setting on the Procedure Precision

Enhancing Fractional Flow Reserve Procedure in Stenosis Diagnosis

Performance Analysis of Concentrator Photovoltaic/Microchannel Heat Sink System Using Nanofluid

Performance of Concentrator Photovoltaic Systems Integrated With Double Layer Microchannel Heat Sink

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