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Nicholas Grech
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Journal Articles

Aerodynamic Design of Separate-Jet Exhausts for Future Civil Aero-engines—Part I: Parametric Geometry Definition and Computational Fluid Dynamics Approach

Ioannis Goulos, Tomasz Stankowski, John Otter, David MacManus, Nicholas Grech, Christopher Sheaf
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2016, 138(8): 081201.
Paper No: GTP-15-1538
DOI: https://doi.org/10.1115/1.4032649
Published Online: March 15, 2016
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Topics: Computational fluid dynamics, Design, Engines, Exhaust systems, Flow (Dynamics), Geometry, Nozzles, Aircraft engines
Journal Articles

Aerodynamic Design of Separate-Jet Exhausts for Future Civil Aero-engines—Part II: Design Space Exploration, Surrogate Modeling, and Optimization

Ioannis Goulos, John Otter, Tomasz Stankowski, David MacManus, Nicholas Grech, Christopher Sheaf
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2016, 138(8): 081202.
Paper No: GTP-15-1539
DOI: https://doi.org/10.1115/1.4032652
Published Online: March 15, 2016
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Topics: Design, Engines, Exhaust systems, Optimization, Nozzles
Proceedings Papers

Probabilistic and Numerical Modelling of a Lobed Mixer at Windmilling Conditions

Maxime Lecoq, Nicholas Grech, Pavlos K. Zachos, Vassilios Pachidis
Proc. ASME. GT2013, Volume 2: Aircraft Engine; Coal, Biomass and Alternative Fuels; Cycle Innovations, V002T07A006, June 3–7, 2013
Paper No: GT2013-94366
DOI: https://doi.org/10.1115/GT2013-94366
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Topics: Computer simulation, Cycles, Design, Ducts, Engines, Exhaust systems, Flow (Dynamics), Gas turbines, Military systems, Modeling
Proceedings Papers

Axial Compressor Aerodynamics Under Sub-Idle Conditions

Enric Illana, Nicholas Grech, Pavlos K. Zachos, Vassilios Pachidis
Proc. ASME. GT2013, Volume 6A: Turbomachinery, V06AT35A006, June 3–7, 2013
Paper No: GT2013-94368
DOI: https://doi.org/10.1115/GT2013-94368
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Topics: Aerodynamics, Compressors, Flow (Dynamics), Mach number, Rotors, Computer simulation, Design, Engines, Blades, Compression
Proceedings Papers

Considerations on the Numerical Modelling and Performance of Axial Swirlers Under Relight Conditions

Charlie Koupper, Nicholas Grech, Pavlos K. Zachos, Vassilios Pachidis, Riti Singh
Proc. ASME. GT2012, Volume 3: Cycle Innovations; Education; Electric Power; Fans and Blowers; Industrial and Cogeneration, 65-77, June 11–15, 2012
Paper No: GT2012-68416
DOI: https://doi.org/10.1115/GT2012-68416
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Topics: Modeling, Flight, Boundary-value problems, Engines, Mach number, Aircraft engines, Certainty, Combustion chambers, Flames, Regulations
Journal Articles

Considerations on the Numerical Modeling and Performance of Axial Swirlers Under Relight Conditions

Nicholas Grech, Charlie Koupper, Pavlos K. Zachos, Vassilios Pachidis, Riti Singh
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Gas Turbines: Combustion, Fuels, And Emissions
J. Eng. Gas Turbines Power. November 2012, 134(11): 111505.
DOI: https://doi.org/10.1115/1.4007132
Published Online: September 28, 2012
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Topics: Computer simulation, Flow (Dynamics), Turbulence, Flames, Swirling flow, Boundary-value problems, Flight, Engineering simulation, Simulation, Pressure drop