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Proceedings Papers

Validation of an Analytical Model for the Acoustic Impedance Eduction of Multi-Cavity Resonant Liners by a High-Fidelity LES Approach

Simone Giaccherini, Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani, Andrea Arnone
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A007, June 13–17, 2022
Paper No: GT2022-81984
DOI: https://doi.org/10.1115/GT2022-81984
View Paper titled, Validation of an Analytical Model for the Acoustic Impedance Eduction of Multi-Cavity Resonant Liners by a High-Fidelity LES Approach
Click here to open pdf in another window PDF for Validation of an Analytical Model for the Acoustic Impedance Eduction of Multi-Cavity Resonant Liners by a High-Fidelity LES Approach
Topics: Acoustics, Cavities, Resonance, Design, Emissions, Engineering simulation, Noise (Sound), Simulation, Absorption, Air traffic control
Proceedings Papers

Axial Ventilation and Blade Row Effects on Transient Natural Convective Shutdown Cooling in a Gas Turbine

Daniel D. Fahy, Peter Ireland
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A014, June 13–17, 2022
Paper No: GT2022-82552
DOI: https://doi.org/10.1115/GT2022-82552
View Paper titled, Axial Ventilation and Blade Row Effects on Transient Natural Convective Shutdown Cooling in a Gas Turbine
Click here to open pdf in another window PDF for Axial Ventilation and Blade Row Effects on Transient Natural Convective Shutdown Cooling in a Gas Turbine
Topics: Blades, Cooling, Gas turbines, Transients (Dynamics), Ventilation, Annulus, Flow (Dynamics), Temperature, Cycles, Compressors
Proceedings Papers

Refinement of a High Cycle Fatigue Decision-Gate Assessment for Additively Repaired Blades

Onome Scott-Emuakpor, Brian Runyon, Daniel Gillaugh, Lucas Smith, Philip Johnson
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A024, June 13–17, 2022
Paper No: GT2022-83282
DOI: https://doi.org/10.1115/GT2022-83282
View Paper titled, Refinement of a High Cycle Fatigue Decision-Gate Assessment for Additively Repaired Blades
Click here to open pdf in another window PDF for Refinement of a High Cycle Fatigue Decision-Gate Assessment for Additively Repaired Blades
Topics: Blades, Gas turbines, Gates (Closures), High cycle fatigue, Maintenance, Nondestructive evaluation, Titanium, Acceptance criteria, Lasers, Additive manufacturing
Proceedings Papers

FELTMETAL™ Abradable Turbine Seal Materials: Structure and Property Responses to Blade Rub and Oxidation

Elaine Motyka, Robert Schricker, Kelly Ceiler
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A012, June 13–17, 2022
Paper No: GT2022-82300
DOI: https://doi.org/10.1115/GT2022-82300
View Paper titled, FELTMETAL™ Abradable Turbine Seal Materials: Structure and Property Responses to Blade Rub and Oxidation
Click here to open pdf in another window PDF for FELTMETAL™ Abradable Turbine Seal Materials: Structure and Property Responses to Blade Rub and Oxidation
Topics: Blades, Ductility, Fibers, Oxidation, Porosity, Sealants, Turbines
Proceedings Papers

The Pore Size Dependence of the Radiative Scattering Coefficient in Yttria-Stabilized Zirconia Films

Yao Wang, Pei-feng Hsu, Mary Helen McCay
Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T02A003, June 13–17, 2022
Paper No: GT2022-80853
DOI: https://doi.org/10.1115/GT2022-80853
View Paper titled, The Pore Size Dependence of the Radiative Scattering Coefficient in Yttria-Stabilized Zirconia Films
Click here to open pdf in another window PDF for The Pore Size Dependence of the Radiative Scattering Coefficient in Yttria-Stabilized Zirconia Films
Topics: Scattering (Physics), Thermal barrier coatings, Absorption, Ceramics, Plasma spraying, Porosity, Spraying (Coating processes), Temperature, Algorithms, Aluminum
Proceedings Papers

Influence of Porosity on Double-Walled Effusion-Cooled Systems for Gas Turbine Blades

Matthew Courtis, Peter Ireland
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A009, June 13–17, 2022
Paper No: GT2022-80377
DOI: https://doi.org/10.1115/GT2022-80377
View Paper titled, Influence of Porosity on Double-Walled Effusion-Cooled Systems for Gas Turbine Blades
Click here to open pdf in another window PDF for Influence of Porosity on Double-Walled Effusion-Cooled Systems for Gas Turbine Blades
Topics: Blades, Gas turbines, Porosity, Cooling, Computational fluid dynamics, Convection, Coolants, Flow (Dynamics), Temperature, Fatigue
Proceedings Papers

Supersonic Aerodynamic Instability Characteristics of Bidirectional Porous Functionally Graded Panel

Shashidhar Reddy Rajidi, Abhay Gupta, Satyajit Panda
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT23A013, June 7–11, 2021
Paper No: GT2021-59346
DOI: https://doi.org/10.1115/GT2021-59346
View Paper titled, Supersonic Aerodynamic Instability Characteristics of Bidirectional Porous Functionally Graded Panel
Click here to open pdf in another window PDF for Supersonic Aerodynamic Instability Characteristics of Bidirectional Porous Functionally Graded Panel
Topics: Advanced materials, Aerospace industry, Alloys, Buckling, Finite element model, Flutter (Aerodynamics), Functionally graded materials, Oscillations, Pistons, Porosity
Proceedings Papers

Studying the Effect of Porosity of Porous Layer Coating on the Performance of the Horizontal Tubular Falling Film Evaporator

Alaa Adel Ibrahim, Hassan Elgamal, Ahmed M. Nagib Elmekawy
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT13A005, June 7–11, 2021
Paper No: GT2021-58921
DOI: https://doi.org/10.1115/GT2021-58921
View Paper titled, Studying the Effect of Porosity of Porous Layer Coating on the Performance of the Horizontal Tubular Falling Film Evaporator
Click here to open pdf in another window PDF for Studying the Effect of Porosity of Porous Layer Coating on the Performance of the Horizontal Tubular Falling Film Evaporator
Topics: Coating processes, Coatings, Heat transfer, Porosity, Porous materials
Proceedings Papers

A Non-Compact Effective Impedance Model for Can-to-Can Acoustic Communication: Analysis and Optimization of Damping Mechanisms

Jakob G. R. von Saldern, Alessandro Orchini, Jonas P. Moeck
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A051, June 7–11, 2021
Paper No: GT2021-59321
DOI: https://doi.org/10.1115/GT2021-59321
View Paper titled, A Non-Compact Effective Impedance Model for Can-to-Can Acoustic Communication: Analysis and Optimization of Damping Mechanisms
Click here to open pdf in another window PDF for A Non-Compact Effective Impedance Model for Can-to-Can Acoustic Communication: Analysis and Optimization of Damping Mechanisms
Topics: Acoustics, Damping, Optimization, Combustion chambers, Flow (Dynamics), Porosity, Density, Eigenvalues, Fluctuations (Physics), Modeling
Proceedings Papers

Numerical Investigation of Air-Oil Two-Phase Flow Pattern Transition in the Scavenge Line of an Aeroengine

Ghofrane Sekrani, Jean-Sebastien Dick, Sébastien Poncet, Sravankumar Nallamothu
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T01A009, June 7–11, 2021
Paper No: GT2021-58988
DOI: https://doi.org/10.1115/GT2021-58988
View Paper titled, Numerical Investigation of Air-Oil Two-Phase Flow Pattern Transition in the Scavenge Line of an Aeroengine
Click here to open pdf in another window PDF for Numerical Investigation of Air-Oil Two-Phase Flow Pattern Transition in the Scavenge Line of an Aeroengine
Topics: Two-phase flow, Flow (Dynamics), Modeling, Fluids, Porosity, Turbulence, Air flow, Algebra, Calibration, Compressibility
Proceedings Papers

An Experimentally Validated Low Order Model of the Thermal Response of Double-Wall Effusion Cooling Systems for HP Turbine Blades

Alexander V. Murray, Peter T. Ireland, Eduardo Romero
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A010, September 21–25, 2020
Paper No: GT2020-14603
DOI: https://doi.org/10.1115/GT2020-14603
View Paper titled, An Experimentally Validated Low Order Model of the Thermal Response of Double-Wall Effusion Cooling Systems for HP Turbine Blades
Click here to open pdf in another window PDF for An Experimentally Validated Low Order Model of the Thermal Response of Double-Wall Effusion Cooling Systems for HP Turbine Blades
Topics: Boundary-value problems, Computational fluid dynamics, Cooling, Cooling systems, Design, Engineering simulation, Fluids, Gases, Geometry, Heat transfer coefficients
Proceedings Papers

Topology Optimization of High Aspect Ratio Internal Cooling Channels As a Design for Additive Manufacturing

Shinjan Ghosh, Jayanta S. Kapat
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A030, September 21–25, 2020
Paper No: GT2020-16032
DOI: https://doi.org/10.1115/GT2020-16032
View Paper titled, Topology Optimization of High Aspect Ratio Internal Cooling Channels As a Design for Additive Manufacturing
Click here to open pdf in another window PDF for Topology Optimization of High Aspect Ratio Internal Cooling Channels As a Design for Additive Manufacturing
Topics: Additive manufacturing, Cooling, Design, Optimization, Topology, Fluids, Heat transfer, Blades, Gas turbines, Porosity
Proceedings Papers

Performance of a Low Speed Axial Fan Under Distortion: An Experimental Investigation

Sumit Tambe, Ugaitz Bartolomé Oseguera, Arvind Gangoli Rao
Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A040, September 21–25, 2020
Paper No: GT2020-14956
DOI: https://doi.org/10.1115/GT2020-14956
View Paper titled, Performance of a Low Speed Axial Fan Under Distortion: An Experimental Investigation
Click here to open pdf in another window PDF for Performance of a Low Speed Axial Fan Under Distortion: An Experimental Investigation
Topics: Aircraft, Boundary layers, Design, Engines, Flight, Flow (Dynamics), Fuels, Inflow, Microphones, Noise (Sound)
Proceedings Papers

Numerical Simulation Model of Electrothermal De-Icing Process on Composite Substrate

Xiaofeng Guo, Zhiqiang Guo, Qian Yang, Wei Dong
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT34A017, September 21–25, 2020
Paper No: GT2020-16116
DOI: https://doi.org/10.1115/GT2020-16116
View Paper titled, Numerical Simulation Model of Electrothermal De-Icing Process on Composite Substrate
Click here to open pdf in another window PDF for Numerical Simulation Model of Electrothermal De-Icing Process on Composite Substrate
Topics: Composite materials, Computer simulation, Deicing, Ice, Carbon reinforced plastics, Melting, Airfoils, Thermal properties, Fibers, Heat transfer
Proceedings Papers

CFD Modeling of Pulverized Coal Combustion Using Relax to Chemical Equilibrium Model With Turbulence-Chemistry Interaction

Piyush Thakre, Graham Goldin
Proc. ASME. GT2020, Volume 3: Ceramics; Coal, Biomass, Hydrogen, and Alternative Fuels, V003T03A003, September 21–25, 2020
Paper No: GT2020-14190
DOI: https://doi.org/10.1115/GT2020-14190
View Paper titled, CFD Modeling of Pulverized Coal Combustion Using Relax to Chemical Equilibrium Model With Turbulence-Chemistry Interaction
Click here to open pdf in another window PDF for CFD Modeling of Pulverized Coal Combustion Using Relax to Chemical Equilibrium Model With Turbulence-Chemistry Interaction
Topics: Chemistry, Coal, Combustion, Computational fluid dynamics, Equilibrium (Physics), Modeling, Turbulence, Nitrogen oxides, Particulate matter, Eddies (Fluid dynamics)
Proceedings Papers

Porosity Driven Approaches to Model Fouling Effects on Flow Field

Nicola Casari, Alessio Suman, Michele Pinelli
Proc. ASME. GT2019, Volume 2D: Turbomachinery, V02DT47A015, June 17–21, 2019
Paper No: GT2019-91631
DOI: https://doi.org/10.1115/GT2019-91631
View Paper titled, Porosity Driven Approaches to Model Fouling Effects on Flow Field
Click here to open pdf in another window PDF for Porosity Driven Approaches to Model Fouling Effects on Flow Field
Topics: Flow (Dynamics), Porosity, Particulate matter, Compressors, Machinery, Airfoils, Computer simulation, Contamination, Engines, Fluid dynamics
Proceedings Papers

Topology Optimization of Serpentine Channels for Minimization of Pressure Loss and Maximization of Heat Transfer Performance As Applied for Additive Manufacturing

Shinjan Ghosh, Jayanta S. Kapat
Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT21A006, June 17–21, 2019
Paper No: GT2019-91057
DOI: https://doi.org/10.1115/GT2019-91057
View Paper titled, Topology Optimization of Serpentine Channels for Minimization of Pressure Loss and Maximization of Heat Transfer Performance As Applied for Additive Manufacturing
Click here to open pdf in another window PDF for Topology Optimization of Serpentine Channels for Minimization of Pressure Loss and Maximization of Heat Transfer Performance As Applied for Additive Manufacturing
Topics: Additive manufacturing, Heat transfer, Optimization, Pressure, Topology, Cooling, Blades, Gas turbines, Flow (Dynamics), Geometry
Proceedings Papers

Experimental and Numerical Analysis of Additively Manufactured Inconel 718 Coupons With Lattice Structure

Sarwesh Parbat, Zheng Min, Li Yang, Minking Chyu
Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT21A008, June 17–21, 2019
Paper No: GT2019-91949
DOI: https://doi.org/10.1115/GT2019-91949
View Paper titled, Experimental and Numerical Analysis of Additively Manufactured Inconel 718 Coupons With Lattice Structure
Click here to open pdf in another window PDF for Experimental and Numerical Analysis of Additively Manufactured Inconel 718 Coupons With Lattice Structure
Topics: Additive manufacturing, Blades, Boundary-value problems, Coolants, Cooling, Engineering simulation, Flow (Dynamics), Gas turbines, Heat transfer, Lasers
Proceedings Papers

Study of Film Cooling Effectiveness on a Double-Walled Effusion-Cooled Turbine Blade in a High-Speed Flow Using Pressure Sensitive Paint

Gladys C. Ngetich, Peter T. Ireland, Eduardo Romero
Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT19A008, June 17–21, 2019
Paper No: GT2019-90545
DOI: https://doi.org/10.1115/GT2019-90545
View Paper titled, Study of Film Cooling Effectiveness on a Double-Walled Effusion-Cooled Turbine Blade in a High-Speed Flow Using Pressure Sensitive Paint
Click here to open pdf in another window PDF for Study of Film Cooling Effectiveness on a Double-Walled Effusion-Cooled Turbine Blade in a High-Speed Flow Using Pressure Sensitive Paint
Topics: Film cooling, Flow (Dynamics), Paints, Pressure, Turbine blades, Blades, Coolants, Engines, Cascades (Fluid dynamics), Cooling
Proceedings Papers

Effect of Microporosity on Damage Initiation in Ceramic Matrix Composites

Suhasini Gururaja, Abhilash Nagaraja
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T02A015, June 17–21, 2019
Paper No: GT2019-91908
DOI: https://doi.org/10.1115/GT2019-91908
View Paper titled, Effect of Microporosity on Damage Initiation in Ceramic Matrix Composites
Click here to open pdf in another window PDF for Effect of Microporosity on Damage Initiation in Ceramic Matrix Composites
Topics: Ceramic matrix composites, Damage, Ceramics, Fibers, Microscale devices, Porosity, Boundary-value problems, Composite materials, Density, Gas turbines