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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
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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
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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
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Topics: Two-phase flow, Flow (Dynamics), Modeling, Fluids, Porosity, Turbulence, Air flow, Algebra, Calibration, Compressibility
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
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Topics: Advanced materials, Aerospace industry, Alloys, Buckling, Finite element model, Flutter (Aerodynamics), Functionally graded materials, Oscillations, Pistons, Porosity
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
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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
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Topics: Additive manufacturing, Cooling, Design, Optimization, Topology, Fluids, Heat transfer, Blades, Gas turbines, Porosity
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
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Topics: Chemistry, Coal, Combustion, Computational fluid dynamics, Equilibrium (Physics), Modeling, Turbulence, Nitrogen oxides, Particulate matter, Eddies (Fluid dynamics)
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
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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
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Topics: Composite materials, Computer simulation, Deicing, Ice, Carbon reinforced plastics, Melting, Airfoils, Thermal properties, Fibers, Heat transfer
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
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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
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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
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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
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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
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Topics: Ceramic matrix composites, Damage, Ceramics, Fibers, Microscale devices, Porosity, Boundary-value problems, Composite materials, Density, Gas turbines
Proceedings Papers

Governing Parameters Influencing CMAS Adhesion and Infiltration Into Environmental/Thermal Barrier Coatings in Gas Turbine Engines

Anindya Ghoshal, Michael J. Walock, Muthuvel Murugan, Clara Mock, Luis Bravo, Marc Pepi, Andy Nieto, Andrew Wright, Jian Luo, Nishan Jain, Alison Flatau, Larry Fehrenbacher
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T02A016, June 17–21, 2019
Paper No: GT2019-92000
DOI: https://doi.org/10.1115/GT2019-92000
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Topics: Adhesion, Gas turbines, Thermal barrier coatings, Coating processes, Sands, Temperature, Aircraft, Army, Aviation, Boundary layers
Proceedings Papers

Laser Thermal Gradient Test of a Thermal Barrier Coating and Failure Analysis

Yingsang Wu, Yao Wang, Pei-feng Hsu, Mary Helen McCay, Ed Croy, David Moreno, Lei He, Chao Wang, Hongqi Zhang
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T24A005, June 17–21, 2019
Paper No: GT2019-90210
DOI: https://doi.org/10.1115/GT2019-90210
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Topics: Failure analysis, Lasers, Temperature gradient, Thermal barrier coatings, Coating processes, Coatings, Fracture (Materials), Testing, Delamination, Finite element analysis
Proceedings Papers

Development of Production Eddy Current Inspection Process for Additively Manufactured Industrial Gas Turbine Engine Components

Brandon Kemerling, Daniel Ryan
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T24A013, June 17–21, 2019
Paper No: GT2019-90971
DOI: https://doi.org/10.1115/GT2019-90971
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Topics: Additive manufacturing, Eddy current testing, Gas turbines, Industrial gases, Inspection, Nondestructive evaluation, Resolution (Optics), Metals, Turbines, Combustion
Proceedings Papers

Monitoring Fatigue of SiC/SiC Ceramic Matrix Composites With Acoustic Emission and Electrical Resistance

Zipeng Han, Gregory N. Morscher
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T02A013, June 17–21, 2019
Paper No: GT2019-91330
DOI: https://doi.org/10.1115/GT2019-91330
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Topics: Acoustic emissions, Composite materials, Electrical resistance, Fatigue, Silicon carbide ceramics, Damage, Fracture (Process), Silicon, Cycles, Failure
Proceedings Papers

Experimental Study on Pressure Losses in Porous Materials

Giacomo Fantozzi, Mats Kinell, Sara Rabal Carrera, Jenny Nilsson, Yves Kuesters
Proc. ASME. GT2018, Volume 5B: Heat Transfer, V05BT21A001, June 11–15, 2018
Paper No: GT2018-75019
DOI: https://doi.org/10.1115/GT2018-75019
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Topics: Porous materials, Pressure, Discharge coefficient, Cooling, Lasers, Manufacturing, Additive manufacturing, Gas turbines, Permeability, Porosity
Proceedings Papers

Experimental Investigation on Additively Manufactured Transpiration and Film Cooling Structures

Zheng Min, Gan Huang, Sarwesh Narayan Parbat, Li Yang, Minking K. Chyu
Proc. ASME. GT2018, Volume 5B: Heat Transfer, V05BT21A003, June 11–15, 2018
Paper No: GT2018-76166
DOI: https://doi.org/10.1115/GT2018-76166
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Topics: Additive manufacturing, Film cooling, Transpiration, Cooling, Metals, Coolants, Blood vessels, Fluids, Porosity, Airfoils