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Proceedings Papers

Full-Scale Vibration Testing of Nozzle Guide Vanes

Giuseppe Macoretta, Bernardo Disma Monelli, Paolo Neri, Federico Bucciarelli, Damaso Checcacci, Enrico Giusti
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A021, June 7–11, 2021
Paper No: GT2021-59356
DOI: https://doi.org/10.1115/GT2021-59356
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Topics: Finite element methods, Friction, Nozzle guide vanes, Testing, Vibration
Proceedings Papers

Towards Reduced Order Models of Small-Scale Acoustically Significant Components in Gas Turbine Combustion Chambers

Suhas A. Kowshik, Sumukha Shridhar, N. C. W. Treleaven
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A013, June 7–11, 2021
Paper No: GT2021-59601
DOI: https://doi.org/10.1115/GT2021-59601
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Topics: Acoustics, Combustion chambers, Gas turbines, Simulation, Computational fluid dynamics, Flow (Dynamics), Artificial neural networks, Damping, Cooling, Design
Proceedings Papers

Comparison of Film Cooling Performance for Different Purge Slot Configurations in a Cylindrical and State-of-the-Art Nozzle Guide Vane

Christian Landfester, Gunther Müller, Robert Krewinkel, Clemens Domnick, Martin Böhle
Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT12A011, June 7–11, 2021
Paper No: GT2021-59229
DOI: https://doi.org/10.1115/GT2021-59229
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Topics: Film cooling, Nozzle guide vanes, Design, Flow (Dynamics), Coolants, Cascades (Fluid dynamics), Engines, High pressure (Physics), Pressure, Turbines
Proceedings Papers

A New Experimental Approach for Heat Transfer Coefficient and Adiabatic Wall Temperature Measurements on a Nozzle Guide Vane With Inlet Temperature Distortions

T. Bacci, A. Picchi, B. Facchini, S. Cubeda
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT13A008, June 7–11, 2021
Paper No: GT2021-59304
DOI: https://doi.org/10.1115/GT2021-59304
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Topics: Heat transfer coefficients, Nozzle guide vanes, Temperature, Wall temperature, Turbines, Combustion chambers, Gas turbines, Transients (Dynamics), Accounting, Cascades (Fluid dynamics)
Proceedings Papers

Development and Application of a Concentration Probe for Mixing Flows Tracking in Turbomachinery Applications

G. Babazzi, T. Bacci, A. Picchi, T. Fondelli, T. Lenzi, B. Facchini, S. Cubeda
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT13A011, June 7–11, 2021
Paper No: GT2021-59634
DOI: https://doi.org/10.1115/GT2021-59634
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Topics: Flow (Dynamics), Probes, Turbomachinery, Combustion chambers, Gas turbines, Pressure, Temperature, Turbines, Calibration, Cascades (Fluid dynamics)
Proceedings Papers

Aerodynamic Investigation of Guide Vane Configurations Downstream a Rotating Detonation Combustor

Majid Asli, Panagiotis Stathopoulos, Christian Oliver Paschereit
Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A010, September 21–25, 2020
Paper No: GT2020-15360
DOI: https://doi.org/10.1115/GT2020-15360
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Topics: Combustion chambers, Explosions, Guide vanes, Exhaust systems, Flow (Dynamics), Pressure, Unsteady flow, Blades, Chords (Trusses), Combustion
Proceedings Papers

Effect of Surface Roughness and Inlet Turbulence Intensity on a Turbine Nozzle Guide Vane External Heat Transfer: Experimental Investigation on a Literature Test Case

T. Bacci, A. Picchi, T. Lenzi, B. Facchini, L. Innocenti
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT13A011, September 21–25, 2020
Paper No: GT2020-14622
DOI: https://doi.org/10.1115/GT2020-14622
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Topics: Heat transfer, Nozzle guide vanes, Surface roughness, Turbines, Turbulence, Geometry, Aerodynamics, Computational fluid dynamics, Databases, Flow (Dynamics)
Proceedings Papers

Experimental Investigation of Innovative Cooling Schemes on an Additively Manufactured Engine Scale Turbine Nozzle Guide Vane

Mohammad A. Hossain, Ali Ameri, James W. Gregory, Jeffrey P. Bons
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT13A023, September 21–25, 2020
Paper No: GT2020-15707
DOI: https://doi.org/10.1115/GT2020-15707
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Topics: Additive manufacturing, Cooling, Engines, Nozzle guide vanes, Turbines, Design, Film cooling, Suction, Flow (Dynamics), Architecture
Proceedings Papers

Experimental Study of the Endwall Heat Transfer of a Transonic Nozzle Guide Vane With Upstream Jet Purge Cooling: Part 1 — Effect of Density Ratio

Shuo Mao, Ridge A. Sibold, Stephen Lash, Wing F. Ng, Hongzhou Xu, Michael Fox
Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A031, September 21–25, 2020
Paper No: GT2020-14814
DOI: https://doi.org/10.1115/GT2020-14814
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Topics: Cooling, Density, Heat transfer, Nozzle guide vanes, Coolants, Engines, Flow (Dynamics), Heat flux, Momentum, Turbulence
Proceedings Papers

Experimental Study of the Endwall Heat Transfer of a Transonic Nozzle Guide Vane With Upstream Jet Purge Cooling: Part 2 — Effect of Combustor-NGV Misalignment

Ridge A. Sibold, Shuo Mao, Wing F. Ng, Hongzhou Xu, Michael Fox
Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A032, September 21–25, 2020
Paper No: GT2020-14818
DOI: https://doi.org/10.1115/GT2020-14818
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Topics: Combustion chambers, Cooling, Heat transfer, Nozzle guide vanes, Coolants, Turbines, Film cooling, Flow (Dynamics), Turbulence, Vortices
Proceedings Papers

Wall-Modelled Large Eddy Simulations of Axial Turbine Rim Sealing

Donato M. Palermo, Feng Gao, Dario Amirante, John W. Chew, Anna Bru Revert, Paul F. Beard
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT14A015, September 21–25, 2020
Paper No: GT2020-14973
DOI: https://doi.org/10.1115/GT2020-14973
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Topics: Large eddy simulation, Sealing (Process), Turbines, Rotors, Simulation, Annulus, Blades, Cavity flows, Convection, Eddies (Fluid dynamics)
Proceedings Papers

Aero-Thermal Aspects of Film Cooled Nozzle Guide Vane Endwalls: Part 2 — Thermal Measurements

Mahmood H. Alqefl, Kedar P. Nawathe, Pingting Chen, Rui Zhu, Yong W. Kim, Terrence W. Simon
Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A041, September 21–25, 2020
Paper No: GT2020-15076
DOI: https://doi.org/10.1115/GT2020-15076
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Topics: Aerodynamics, Film cooling, Flow (Dynamics), Nozzle guide vanes, Turbines, Vortices, Cooling, Combustion chambers, Coolants, Engine design
Proceedings Papers

Effects of Endwall Film Coolant Flow Rate on Secondary Flows and Coolant Mixing in a First Stage Nozzle Guide Vane

Mahmood H. Alqefl, Kedar P. Nawathe, Pingting Chen, Rui Zhu, Yong W. Kim, Terrence W. Simon
Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A060, September 21–25, 2020
Paper No: GT2020-15746
DOI: https://doi.org/10.1115/GT2020-15746
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Topics: Aerodynamics, Coolants, Film cooling, Flow (Dynamics), Nozzle guide vanes, Turbines, Vortices
Proceedings Papers

Study on Film Cooling Performance Improvement of NGV Leading Edge Subject to Distortion Profiles of Low NO x Combustor

Wenhao Zhang, Zhihao Wang, Zhiduo Wang, Zhenping Feng
Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A064, September 21–25, 2020
Paper No: GT2020-15975
DOI: https://doi.org/10.1115/GT2020-15975
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Topics: Combustion chambers, Film cooling, Nitrogen oxides, Nozzle guide vanes
Proceedings Papers

Aero-Thermal Aspects of Film Cooled Nozzle Guide Vane Endwalls: Part 1 — Aerodynamics

Mahmood H. Alqefl, Kedar P. Nawathe, Pingting Chen, Rui Zhu, Yong W. Kim, Terrence W. Simon
Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A063, September 21–25, 2020
Paper No: GT2020-15926
DOI: https://doi.org/10.1115/GT2020-15926
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Topics: Aerodynamics, Film cooling, Flow (Dynamics), Nozzle guide vanes, Turbines, Vortices
Proceedings Papers

Influence of Turboshaft Engine Architecture on Ash Particle Deposition: Reduced Order Model Application

Matthew Ellis, Nicholas Bojdo, Antonio Filippone
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT34A011, September 21–25, 2020
Paper No: GT2020-15203
DOI: https://doi.org/10.1115/GT2020-15203
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Topics: Engines, Particulate matter, Temperature, Flames, Combustion chambers, Computer simulation, Damage, Gas turbines, High pressure (Physics), Melting
Proceedings Papers

Reynolds and Mach Number Effects on the Flow in a Low-Pressure Turbine

Maxime Fiore
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A004, September 21–25, 2020
Paper No: GT2020-14325
DOI: https://doi.org/10.1115/GT2020-14325
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Topics: Flow (Dynamics), Mach number, Pressure, Turbines, Blades, Boundary layers, Gas turbines, Kinetic energy, Nozzle guide vanes, Reynolds number
Proceedings Papers

Effect of Jets in Crossflow in Deposition Mitigation on Full 3D NGV With Endwall Features

Stefano Oliani, Nicola Casari, Michele Pinelli, Alessio Suman, Mauro Carnevale
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A021, September 21–25, 2020
Paper No: GT2020-15367
DOI: https://doi.org/10.1115/GT2020-15367
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Topics: Jets, Nozzle guide vanes, Particulate matter, Aerodynamics, Aircraft, Flow (Dynamics), Airfoils, Cascades (Fluid dynamics), Compressors, Computational fluid dynamics
Proceedings Papers

Numerical Modeling of Particle Deposition in Turbine Cascade

Xiaojun Yang, Yingqi Hu, Tianhao Yu, Zhigang Liu
Proc. ASME. GT2019, Volume 2D: Turbomachinery, V02DT47A006, June 17–21, 2019
Paper No: GT2019-90739
DOI: https://doi.org/10.1115/GT2019-90739
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Topics: Cascades (Fluid dynamics), Computer simulation, Particulate matter, Turbines, Flow (Dynamics), Temperature, Turbine components, Viscosity, Aircraft engines, Blades
Proceedings Papers

Experimental Analysis of an Ultra Compact Combustor Powered Turbine Engine

Brian T. Bohan, Marc D. Polanka
Proc. ASME. GT2019, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A037, June 17–21, 2019
Paper No: GT2019-90607
DOI: https://doi.org/10.1115/GT2019-90607
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Topics: Combustion chambers, Experimental analysis, Gas turbines, Engines, Combustion, Cavities, Turbines, Compressors, Flow (Dynamics), Nozzle guide vanes