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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

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

Quasi-Static Thermal Modelling of Multi-Scale Sliding Contact for Unlubricated Brush Seal Materials

Qingfeng Xia, David Gillespie, Andrew Owen, Gervas Franceschini
Proc. ASME. GT2018, Volume 5B: Heat Transfer, V05BT18A002, June 11–15, 2018
Paper No: GT2018-75920
DOI: https://doi.org/10.1115/GT2018-75920
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Topics: Modeling, Sealants, Disks, Heat, Temperature, Finite element methods, Anisotropy, Thermal conductivity, Wear, Boundary-value problems
Proceedings Papers

Experimental and Numerical Investigations on Leakage Flow Characteristics of Two Kinds of Brush Seals

Yuanqiao Zhang, Jun Li, Xin Yan, Zhigang Li
Proc. ASME. GT2018, Volume 5B: Heat Transfer, V05BT15A026, June 11–15, 2018
Paper No: GT2018-76235
DOI: https://doi.org/10.1115/GT2018-76235
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Topics: Clearances (Engineering), Computational fluid dynamics, Finite element methods, Flow (Dynamics), Leakage, Leakage flows, Plates (structures), Porous materials, Pressure, Reynolds-averaged Navier–Stokes equations
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
Proceedings Papers

Thermoacoustic Instability Model With Porous Media: Linear Stability Analysis and the Impact of Porous Media

Cody S. Dowd, Joseph W. Meadows
Proc. ASME. GT2018, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A019, June 11–15, 2018
Paper No: GT2018-75406
DOI: https://doi.org/10.1115/GT2018-75406
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Topics: Porous materials, Stability, Acoustics, Bulk modulus, Combustion systems, Damping, Delays, Ducts, Electrical resistivity, Flames
Proceedings Papers

A Porous Media Function That Mimics the Effect of Discrete Holes

D. J. Cerantola, A. M. Birk
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT12A005, June 11–15, 2018
Paper No: GT2018-75314
DOI: https://doi.org/10.1115/GT2018-75314
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Topics: Coolants, Diffusers, Ducts, Exhaust systems, Film cooling, Flow (Dynamics), Porosity, Porous materials, Pressure, Reynolds-averaged Navier–Stokes equations
Proceedings Papers

Effect of Pore Blockage on Transpiration Cooling With Additive Manufacturable Perforate Holes

Li Yang, Zheng Min, Sarwesh Narayan Parbat, Minking K. Chyu
Proc. ASME. GT2018, Volume 2D: Turbomachinery, V02DT47A004, June 11–15, 2018
Paper No: GT2018-75310
DOI: https://doi.org/10.1115/GT2018-75310
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Topics: Transpiration, Cooling, Additive manufacturing, Computational fluid dynamics, Coolants, Dust, Optimization, Porous materials, Probability, Airfoils
Proceedings Papers

Numerical Investigation and Shape Design Improvement of a Turbine Inlet Combined Valve

Dongting Ye, Jiaobin Ma, Yonghui Xie, Di Zhang, Sihua Xu
Proc. ASME. GT2017, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T29A027, June 26–30, 2017
Paper No: GT2017-64141
DOI: https://doi.org/10.1115/GT2017-64141
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Topics: Shape design, Turbines, Valves, Pressure, Shapes, Optimization, Computer simulation, Energy dissipation, Entropy, Flow (Dynamics)
Proceedings Papers

Flow Resistance Coefficients of Porous Brush Seal As a Function of Pressure Load

Yahya Doğu, Mustafa C. Sertçakan, Koray Gezer, Mustafa Kocagül
Proc. ASME. GT2017, Volume 5B: Heat Transfer, V05BT15A031, June 26–30, 2017
Paper No: GT2017-64864
DOI: https://doi.org/10.1115/GT2017-64864
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Topics: Flow (Dynamics), Pressure, Stress, Leakage, Temperature, Anisotropy, Calibration, Computational fluid dynamics, Porous materials, Rotors
Proceedings Papers

Investigation of Lean Combustion Stability, Pressure Drop, and Material Durability in Porous Media Burners

Sadaf Sobhani, Bret Haley, Dave Bartz, Jared Dunnmon, John Sullivan, Matthias Ihme
Proc. ASME. GT2017, Volume 5C: Heat Transfer, V05CT17A001, June 26–30, 2017
Paper No: GT2017-63204
DOI: https://doi.org/10.1115/GT2017-63204
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Topics: Combustion, Durability, Porous materials, Pressure drop, Stability, Emissions, Engineering simulation, Flames, Flow (Dynamics), Nitrogen oxides
Proceedings Papers

Characterization of LAM-Fabricated Porous Superalloys for Turbine Components

Brandon Ealy, Luisana Calderon, Wenping Wang, Jay Kapat, Ilya Mingareev, Martin Richardson, Ranier Valentin
Proc. ASME. GT2016, Volume 6: Ceramics; Controls, Diagnostics and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T21A012, June 13–17, 2016
Paper No: GT2016-58080
DOI: https://doi.org/10.1115/GT2016-58080
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Topics: Superalloys, Turbine components, Cooling, Cycles, Design, Lasers, Turbine blades, Additive manufacturing, Flow (Dynamics), Gas turbines
Proceedings Papers

Assessment of Porous Type Gas Bearings: Measurements of Bearing Performance and Rotor Vibrations

Luis San Andrés, Travis A. Cable, Yong Zheng, Oscar De Santiago, Drew Devitt
Proc. ASME. GT2016, Volume 7B: Structures and Dynamics, V07BT31A031, June 13–17, 2016
Paper No: GT2016-57876
DOI: https://doi.org/10.1115/GT2016-57876
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Topics: Bearings, Gas bearings, Rotor vibration, Rotors, Flow (Dynamics), Clearances (Engineering), Drag (Fluid dynamics), Pressure, Pressurized gas, Stress
Proceedings Papers

Performance Analysis of Hybrid Brush Pocket Damper Seals Using Computational Fluid Dynamics

Alexander O. Pugachev, Clemens Griebel, Stacie Tibos, Bernard Charnley
Proc. ASME. GT2016, Volume 7B: Structures and Dynamics, V07BT31A025, June 13–17, 2016
Paper No: GT2016-57418
DOI: https://doi.org/10.1115/GT2016-57418
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Topics: Computational fluid dynamics, Dampers, Damping, Stiffness, Clearances (Engineering), Excitation, Leakage, Simulation, Transients (Dynamics), Geometry
Proceedings Papers

Combustion Characteristics of a Micro Gas Turbine Combustor With Gamma-Shaped Porous Media Dome

Liang Zhang, Chi Zhang, Xin Xue, Peihua Lin, Yuzhen Lin
Proc. ASME. GT2016, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T23A016, June 13–17, 2016
Paper No: GT2016-56941
DOI: https://doi.org/10.1115/GT2016-56941
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Topics: Combustion, Combustion chambers, Domes (Structural elements), Micro gas turbines, Porous materials, Flow (Dynamics), Air flow, Temperature, Atmospheric pressure, Density
Proceedings Papers

Design for Additive Manufacturing: Internal Channel Optimization

M. Pietropaoli, R. Ahlfeld, F. Montomoli, A. Ciani, M. D’Ercole
Proc. ASME. GT2016, Volume 5B: Heat Transfer, V05BT11A013, June 13–17, 2016
Paper No: GT2016-57318
DOI: https://doi.org/10.1115/GT2016-57318
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Topics: Additive manufacturing, Design, Optimization, Porosity, Coolants, Ducts, Gas turbines, Heat transfer, Porous materials, Pressure
Proceedings Papers

Characterization of Brush Seal Permeability

Thomas G. Gresham, Brian K. Weaver, Houston G. Wood, Alexandrina Untaroiu
Proc. ASME. GT2016, Volume 5A: Heat Transfer, V05AT15A031, June 13–17, 2016
Paper No: GT2016-57910
DOI: https://doi.org/10.1115/GT2016-57910
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Topics: Permeability, Pressure, Flow (Dynamics), Computational fluid dynamics, Leakage, Porous materials, Clearances (Engineering), Deformation, Fluid mechanics, Flutter (Aerodynamics)
Proceedings Papers

Influence of Honeycomb Land Geometry on Seal Performance

Daniel Frączek, Krzysztof Bochon, Włodzimierz Wróblewski
Proc. ASME. GT2016, Volume 5A: Heat Transfer, V05AT15A025, June 13–17, 2016
Paper No: GT2016-57569
DOI: https://doi.org/10.1115/GT2016-57569
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Topics: Geometry, Honeycomb structures, Cavities, Clearances (Engineering), Computer software, Fins, Flow (Dynamics), Leakage flows, Porous materials, Pressure
Proceedings Papers

Limitations of a State-of-the-Art Numerical Modelling Framework for Two-Phase Flow in Aero-Engine Air/Oil Separators

Thiago Piazera de Carvalho, Hervé P. Morvan, David Hargreaves, Laura Cordes, Corina Höfler
Proc. ASME. GT2016, Volume 1: Aircraft Engine; Fans and Blowers; Marine, V001T01A017, June 13–17, 2016
Paper No: GT2016-56633
DOI: https://doi.org/10.1115/GT2016-56633
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Topics: Aircraft engines, Modeling, Two-phase flow, Drops, Metal foams, Separation (Technology), Air flow, Engineering simulation, Pressure drop, Simulation