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Muhammad Saif Ullah Khalid
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Journal Articles

Geometric Characteristics of Flapping Foils for Enhanced Propulsive Efficiency

John M. Kelly, Muhammad Saif Ullah Khalid, Pan Han, Haibo Dong
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. June 2023, 145(6): 061104.
Paper No: FE-22-1402
https://doi.org/10.1115/1.4057018
Published Online: March 20, 2023
View Article titled, Geometric Characteristics of Flapping Foils for Enhanced Propulsive Efficiency
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Topics: Flow (Dynamics), Pressure, Shapes, Thrust, Vortices, Kinematics, Chords (Trusses), Reynolds number, Energy consumption
Proceedings Papers

Effect of Phase Difference on Wake Characteristics and Propulsive Performance of Pitching Foils in Side-by-Side Configurations

Ahmet Gungor, Muhammad Saif Ullah Khalid, Arman Hemmati
Proc. ASME. FEDSM2022, Volume 2: Multiphase Flow (MFTC); Computational Fluid Dynamics (CFDTC); Micro and Nano Fluid Dynamics (MNFDTC), V002T05A031, August 3–5, 2022
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2022-87980
https://doi.org/10.1115/FEDSM2022-87980
View Paper titled, Effect of Phase Difference on Wake Characteristics and Propulsive Performance of Pitching Foils in Side-by-Side Configurations
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Topics: Wakes
Proceedings Papers

Nusselt Number Dependence on Aspect Ratio and Rayleigh Number: A Numerical Study of Rayleigh-Benard Instability

Wajeeha Siddiqui, Zafar Abbas, Imran Akhtar, Muhammad Saif Ullah Khalid
Proc. ASME. FEDSM2022, Volume 2: Multiphase Flow (MFTC); Computational Fluid Dynamics (CFDTC); Micro and Nano Fluid Dynamics (MNFDTC), V002T05A029, August 3–5, 2022
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2022-87897
https://doi.org/10.1115/FEDSM2022-87897
View Paper titled, Nusselt Number Dependence on Aspect Ratio and Rayleigh Number: A Numerical Study of Rayleigh-Benard Instability
Open the PDF for Nusselt Number Dependence on Aspect Ratio and Rayleigh Number: A Numerical Study of Rayleigh-Benard Instability in another window
Topics: Cavities, Computer simulation, Rayleigh number, Rayleigh-Benard instability
Proceedings Papers

Numerical Analysis to Study the Effect of Control Temperature Location Inside a Datacenter

Atta Ul Mannan Hashmi, Arshan Ahmed Tipu, Fahad Rafi Butt, Imran Akhtar, Muhammad Saif Ullah Khalid
Proc. ASME. FEDSM2022, Volume 2: Multiphase Flow (MFTC); Computational Fluid Dynamics (CFDTC); Micro and Nano Fluid Dynamics (MNFDTC), V002T05A028, August 3–5, 2022
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2022-87885
https://doi.org/10.1115/FEDSM2022-87885
View Paper titled, Numerical Analysis to Study the Effect of Control Temperature Location Inside a Datacenter
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Topics: HVAC equipment, Numerical analysis, Temperature, Temperature sensors, Cloud computing, Computational fluid dynamics, Computer simulation, Control systems, Cooling systems, Energy consumption
Journal Articles

Nonlinear Reduced-Order Models for Aerodynamic Lift of Oscillating Airfoils

Muhammad Saif Ullah Khalid, Imran Akhtar
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. September 2017, 12(5): 051019.
Paper No: CND-16-1603
https://doi.org/10.1115/1.4036346
Published Online: May 17, 2017
View Article titled, Nonlinear Reduced-Order Models for Aerodynamic Lift of Oscillating Airfoils
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Topics: Airfoils, Computational fluid dynamics, Lift (Fluid dynamics)
Proceedings Papers

Nonlinear Characterization of Heart Rate Variability in Normal Sinus Rhythm, Atrial Fibrillation and Congestive Heart Failure

Syed Hassan Zaidi, Imran Akhtar, Syed Imran Majeed, Tahir Zaidi, Muhammad Saif Ullah Khalid
Proc. ASME. IMECE2016, Volume 3: Biomedical and Biotechnology Engineering, V003T04A061, November 11–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2016-66836
https://doi.org/10.1115/IMECE2016-66836
View Paper titled, Nonlinear Characterization of Heart Rate Variability in Normal Sinus Rhythm, Atrial Fibrillation and Congestive Heart Failure
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Topics: Heart failure, Cardiovascular system, Dynamics (Mechanics), Physiology, Time series, Algorithms, Risk
Proceedings Papers

Nonlinear Reduced-Order Models for Aerodynamic Lift of Oscillating Airfoils

Muhammad Saif Ullah Khalid, Imran Akhtar
Proc. ASME. IMECE2016, Volume 4A: Dynamics, Vibration, and Control, V04AT05A043, November 11–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2016-66859
https://doi.org/10.1115/IMECE2016-66859
View Paper titled, Nonlinear Reduced-Order Models for Aerodynamic Lift of Oscillating Airfoils
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Topics: Airfoils, Lift (Fluid dynamics), Computer simulation, Damping, Aerodynamics, Attractors, Computational fluid dynamics, Emission spectroscopy, Excitation, Flow (Dynamics)
Journal Articles

Reduced-Order Modeling of Torque on a Vertical-Axis Wind Turbine at Varying Tip Speed Ratios

Muhammad Saif Ullah Khalid, Tariq Rabbani, Imran Akhtar, Naveed Durrani, M. Salman Siddiqui
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. July 2015, 10(4): 041012.
Paper No: CND-14-1055
https://doi.org/10.1115/1.4028064
Published Online: July 1, 2015
View Article titled, Reduced-Order Modeling of Torque on a Vertical-Axis Wind Turbine at Varying Tip Speed Ratios
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Topics: Torque, Turbines, Vertical axis wind turbines, Computational fluid dynamics