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Mohamed Alqaradawi
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Journal Articles

Influence of Changing Casing Groove Parameters on the Performance of Centrifugal Compressors Near Stall Condition

Taher Halawa, Mohamed S. Gadala, Mohamed Alqaradawi, Osama Badr
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. February 2016, 138(2): 021104.
Paper No: FE-15-1050
https://doi.org/10.1115/1.4031311
Published Online: September 10, 2015
View Article titled, Influence of Changing Casing Groove Parameters on the Performance of Centrifugal Compressors Near Stall Condition
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Topics: Blades, Compressors, Computer simulation, Engineering simulation, Flow (Dynamics), Impellers, Pressure, Simulation, Optimization
Journal Articles

Optimization of the Efficiency of Stall Control Using Air Injection for Centrifugal Compressors

Taher Halawa, Mohamed S. Gadala, Mohamed Alqaradawi, Osama Badr
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2015, 137(7): 072604.
Paper No: GTP-14-1513
https://doi.org/10.1115/1.4029169
Published Online: July 1, 2015
View Article titled, Optimization of the Efficiency of Stall Control Using Air Injection for Centrifugal Compressors
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Topics: Compressors, Diffusers, Flow (Dynamics), Fluids, Impellers, Pressure, Computer simulation, Design, Optimization, Blades
Journal Articles

Large Eddy Simulation for a Deep Surge Cycle in a High-Speed Centrifugal Compressor With Vaned Diffuser

Ibrahim Shahin, Mohamed Gadala, Mohamed Alqaradawi, Osama Badr
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. October 2015, 137(10): 101007.
Paper No: TURBO-14-1249
https://doi.org/10.1115/1.4030790
Published Online: June 23, 2015
View Article titled, Large Eddy Simulation for a Deep Surge Cycle in a High-Speed Centrifugal Compressor With Vaned Diffuser
Open the PDF for Large Eddy Simulation for a Deep Surge Cycle in a High-Speed Centrifugal Compressor With Vaned Diffuser in another window
Topics: Blades, Compressors, Cycles, Diffusers, Flow (Dynamics), Impellers, Pressure, Surges, Simulation
Proceedings Papers

Numerical Simulation of Using Combined Active and Passive Stall Control Techniques in Centrifugal Compressors

Taher Halawa, Mohamed Alqaradawi, Osama Badr, Mohamed S. Gadala
Proc. ASME. IMECE2014, Volume 7: Fluids Engineering Systems and Technologies, V007T09A026, November 14–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2014-37983
https://doi.org/10.1115/IMECE2014-37983
View Paper titled, Numerical Simulation of Using Combined Active and Passive Stall Control Techniques in Centrifugal Compressors
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Topics: Compressors, Computer simulation, Flow (Dynamics), Stability, Blades, Flow separation, Impellers, Kinetic energy, Leakage flows, Passive control
Proceedings Papers

Numerical Investigation of Rotating Stall Characteristics and Active Stall Control in Centrifugal Compressors

Taher Halawa, Mohamed Alqaradawi, Osama Badr, Mohamed S. Gadala
Proc. ASME. POWER2014, Volume 2: Simple and Combined Cycles; Advanced Energy Systems and Renewables (Wind, Solar and Geothermal); Energy Water Nexus; Thermal Hydraulics and CFD; Nuclear Plant Design, Licensing and Construction; Performance Testing and Performance Test Codes; Student Paper Competition, V002T11A002, July 28–31, 2014
Publisher: American Society of Mechanical Engineers
Paper No: POWER2014-32052
https://doi.org/10.1115/POWER2014-32052
View Paper titled, Numerical Investigation of Rotating Stall Characteristics and Active Stall Control in Centrifugal Compressors
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Topics: Compressors, Flow (Dynamics), Computer simulation, Delays, Design, Flow separation, Fluids, Impellers, Leakage flows, Stall inception
Proceedings Papers

Numerical Simulation of Stall Development Into Surge and Stall Control Using Air Injection in Centrifugal Compressors

Taher Halawa, Mohamed Alqaradawi, Osama Badr, Mohamed S. Gadala
Proc. ASME. POWER2014, Volume 2: Simple and Combined Cycles; Advanced Energy Systems and Renewables (Wind, Solar and Geothermal); Energy Water Nexus; Thermal Hydraulics and CFD; Nuclear Plant Design, Licensing and Construction; Performance Testing and Performance Test Codes; Student Paper Competition, V002T11A003, July 28–31, 2014
Publisher: American Society of Mechanical Engineers
Paper No: POWER2014-32053
https://doi.org/10.1115/POWER2014-32053
View Paper titled, Numerical Simulation of Stall Development Into Surge and Stall Control Using Air Injection in Centrifugal Compressors
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Topics: Compressors, Computer simulation, Surges, Fluctuations (Physics), Impellers, Flow (Dynamics), Pressure, Blades, Design, Optimization
Proceedings Papers

Numerical Simulation and Control of Rotating Stall in a Transonic Centrifugal Compressor

Taher Halawa, Mohamed Alqaradawi, Osama Badr, Mohamed S. Gadala
Proc. ASME. ESDA2014, Volume 2: Dynamics, Vibration and Control; Energy; Fluids Engineering; Micro and Nano Manufacturing, V002T11A024, July 25–27, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ESDA2014-20589
https://doi.org/10.1115/ESDA2014-20589
View Paper titled, Numerical Simulation and Control of Rotating Stall in a Transonic Centrifugal Compressor
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Topics: Compressors, Computer simulation, Impellers, Diffusers, Blades, Fluids, Stall inception, Flow (Dynamics), Fluctuations (Physics), Leakage flows
Proceedings Papers

Numerical Investigation of Steady Air Injection Flow to Control Rotating Stall in Centrifugal Compressors

Taher Halawa, Mohamed Alqaradawi, Osama Badr, Mohamed S. Gadala
Proc. ASME. ESDA2014, Volume 2: Dynamics, Vibration and Control; Energy; Fluids Engineering; Micro and Nano Manufacturing, V002T11A025, July 25–27, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ESDA2014-20590
https://doi.org/10.1115/ESDA2014-20590
View Paper titled, Numerical Investigation of Steady Air Injection Flow to Control Rotating Stall in Centrifugal Compressors
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Topics: Compressors, Flow (Dynamics), Diffusers, Fluids, Kinetic energy, Surges, Computer simulation, Design, Impellers
Proceedings Papers

Unsteady CFD Simulation for High Speed Centrifugal Compressor Operating Near Surge

Ibrahim Shahin, Mohamed Gadala, Mohamed Alqaradawi, Osama Badr
Proc. ASME. GT2014, Volume 2D: Turbomachinery, V02DT44A045, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-27336
https://doi.org/10.1115/GT2014-27336
View Paper titled, Unsteady CFD Simulation for High Speed Centrifugal Compressor Operating Near Surge
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Topics: Compressors, Computational fluid dynamics, Simulation, Surges, Pressure, Impellers, Diffusers, Transients (Dynamics), Bearings, Cavities