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Proceedings Papers

Scale Cooling -- A Novel Fractal Cooling Structure for Turbine Vanes

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Zhongran Chi, Longfei Wang
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T13A013, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124040
https://doi.org/10.1115/GT2024-124040
View Paper titled, Scale Cooling -- A Novel Fractal Cooling Structure for Turbine Vanes
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Topics: Cooling, Fractals, Turbines, Design, Pressure, Computational fluid dynamics, Film cooling, Heat transfer, Additive manufacturing, Coolants
Proceedings Papers

Impacts of the Additive Manufacturing Process on the Roughness of Engine Scale Vanes and Cooling Channels

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Alexander J. Wildgoose, Karen A. Thole, Ramesh Subramanian, Lisa Kersting, Anand Kulkarni
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A025, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-84063
https://doi.org/10.1115/GT2022-84063
View Paper titled, Impacts of the Additive Manufacturing Process on the Roughness of Engine Scale Vanes and Cooling Channels
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Topics: Additive manufacturing, Cooling, Engines, Surface roughness, Wall thickness, Computerized tomography, Design, Flow (Dynamics), Heat transfer, Investment casting (Process)
Proceedings Papers

Experimental and Numerical Investigation of a Novel Method for Gradient Temperature Measurement

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Markus Schönheit, Marcus Thiele, Edward Ginzbursky, Anastasia Thomas
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A017, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82909
https://doi.org/10.1115/GT2022-82909
View Paper titled, Experimental and Numerical Investigation of a Novel Method for Gradient Temperature Measurement
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Topics: Accuracy and precision, Alloys, Combustion chambers, Computational fluid dynamics, Cooling, Crystals, Cycles, Cylinders, Design, Design methodology
Proceedings Papers

Design of an Additively Manufactured Recuperator With 800 °C Inlet Temperature for sCO2 Power Cycle Application

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Michael Marshall, Meysam Akbari, Ji-Cheng Zhao, Kevin Hoopes
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A015, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82301
https://doi.org/10.1115/GT2022-82301
View Paper titled, Design of an Additively Manufactured Recuperator With 800 °C Inlet Temperature for sCO2 Power Cycle Application
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Topics: Additive manufacturing, Design, Temperature, Thermodynamic power cycles, Flow (Dynamics), Heat transfer, Lasers, Containment, Creep, Heat exchangers
Proceedings Papers

Computed Tomography Wall Thickness Inspection to Support Gas Turbine Blade Life Extension

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Scott Hastie, Anthony Chan, Kevin Wiens, Doug Nagy, Robert Tollett, Paul Lowden
Proc. ASME. GT2021, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V007T17A021, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60316
https://doi.org/10.1115/GT2021-60316
View Paper titled, Computed Tomography Wall Thickness Inspection to Support Gas Turbine Blade Life Extension
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Topics: Blades, Computerized tomography, Gas turbines, Inspection, Life extension, Wall thickness
Proceedings Papers

Numerical Investigation of an In-Wall Cooling Design Approach for Improved Thermal Efficiency of Additively Manufactured Gas Turbine Ring Segments

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Thomas Wimmer, York Mick, Bernhard Weigand
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A009, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14511
https://doi.org/10.1115/GT2020-14511
View Paper titled, Numerical Investigation of an In-Wall Cooling Design Approach for Improved Thermal Efficiency of Additively Manufactured Gas Turbine Ring Segments
Open the PDF for Numerical Investigation of an In-Wall Cooling Design Approach for Improved Thermal Efficiency of Additively Manufactured Gas Turbine Ring Segments in another window
Topics: Additive manufacturing, Cooling, Design, Gas turbines, Thermal efficiency, Heat, Temperature, Wall thickness, Combustion, Industrial gases
Proceedings Papers

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

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

Linear Cascade and Wind Tunnel Development for Turbine Blade Tip Heat Transfer Investigations With and Without Film Cooling

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Michael Sampson, Avery Fairbanks, Jacob Moseley, Phillip M. Ligrani, Hongzhou Xu, Michael Fox
Proc. ASME. GT2019, Volume 5A: Heat Transfer, V05AT13A007, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91074
https://doi.org/10.1115/GT2019-91074
View Paper titled, Linear Cascade and Wind Tunnel Development for Turbine Blade Tip Heat Transfer Investigations With and Without Film Cooling
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Topics: Cascades (Fluid dynamics), Film cooling, Heat transfer, Turbine blades, Wind tunnels, Blades, Boundary layers, Cooling, Engines, Flow (Dynamics)
Proceedings Papers

Advanced Steam Turbine Technology for Unique Double Reheat Steam Power Plant Layout

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Benjamin Kloss-Grote, Michael Wechsung, Rainer Quinkertz, Henning Almstedt
Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A021, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90934
https://doi.org/10.1115/GT2019-90934
View Paper titled, Advanced Steam Turbine Technology for Unique Double Reheat Steam Power Plant Layout
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Topics: Steam turbines, Thermal power stations, Turbines, Pressure, Trains, Design, Generators, Temperature, Carbon dioxide, Oxidation
Proceedings Papers

Additive Manufacturing of Honeycombs Seal Strips

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Ole Geisen, Lisa Kersting, Lukas Masseling, Jan Pascal Bogner, Johannes Henrich Schleifenbaum
Proc. ASME. GT2018, Volume 2D: Turbomachinery, V02DT46A023, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-77081
https://doi.org/10.1115/GT2018-77081
View Paper titled, Additive Manufacturing of Honeycombs Seal Strips
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Topics: Additive manufacturing, Honeycomb structures, Strips, Lasers, Manufacturing, Wall thickness, Alloys, Design, Emissions, Engineering prototypes
Proceedings Papers

A Sobol' Sequence Parametric Analysis of Rotor Thermal Bow in Gas Turbines

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Evan O. Smith, Jouke H. S. de Baar, Andrew J. Neely
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT33A010, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75347
https://doi.org/10.1115/GT2018-75347
View Paper titled, A Sobol' Sequence Parametric Analysis of Rotor Thermal Bow in Gas Turbines
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Topics: Gas turbines, Rotors, Compressors, Engines, Stiffness, Temperature gradient, Wall thickness, Annulus, Cavities, Clearances (Engineering)
Proceedings Papers

Structural Analysis of Profiled Tubes for a Turbofan Engine Supercritical-CO 2 Bottoming Cycle Heat Exchanger

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Jon Rengel, Florian Jacob, Andrew Rolt, Vishal Sethi
Proc. ASME. GT2018, Volume 5C: Heat Transfer, V05CT20A003, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76208
https://doi.org/10.1115/GT2018-76208
View Paper titled, Structural Analysis of Profiled Tubes for a Turbofan Engine Supercritical-CO 2 Bottoming Cycle Heat Exchanger
Open the PDF for Structural Analysis of Profiled Tubes for a Turbofan Engine Supercritical-CO 2 Bottoming Cycle Heat Exchanger in another window
Topics: Cycles, Engines, Heat exchangers, Structural analysis, Turbofans, Exhaust systems, Supercritical carbon dioxide, Chords (Trusses), Gases, Stress
Proceedings Papers

On Improving Full-Coverage Effusion Cooling Efficiency by Varying Cooling Arrangements and Wall Thickness in Double Wall Cooling Application

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Weihong Li, Xunfeng Lu, Xueying Li, Jing Ren, Hongde Jiang
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT10A007, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-77230
https://doi.org/10.1115/GT2018-77230
View Paper titled, On Improving Full-Coverage Effusion Cooling Efficiency by Varying Cooling Arrangements and Wall Thickness in Double Wall Cooling Application
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Topics: Cooling, Wall thickness, Film cooling, Blades, Gas turbines, Pins (Engineering), Density, Thermal conductivity, Thermography
Proceedings Papers

Quantification of X-Ray Measurement Uncertainty Based on Optical Measurement Data of Turbine Blades

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Lars Högner, Sebastian Knebel, Matthias Voigt, Ronald Mailach, Marcus Meyer
Proc. ASME. GT2017, Volume 2C: Turbomachinery, V02CT47A008, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63704
https://doi.org/10.1115/GT2017-63704
View Paper titled, Quantification of X-Ray Measurement Uncertainty Based on Optical Measurement Data of Turbine Blades
Open the PDF for Quantification of X-Ray Measurement Uncertainty Based on Optical Measurement Data of Turbine Blades in another window
Topics: Measurement uncertainty, Optical measurement, Turbine blades, X-rays, Geometry, Blades, Design, Uncertainty, Uncertainty quantification, Wall thickness
Proceedings Papers

Methodology to Develop Geometric Modeling of Accurate Drilled Cooling Holes on Turbine Blades

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Yiwei Dong, Qi Zhao, Xiaolin Li, Xiaoji Li, Jun Yang
Proc. ASME. GT2017, Volume 6: Ceramics; Controls, Diagnostics and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T24A001, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63024
https://doi.org/10.1115/GT2017-63024
View Paper titled, Methodology to Develop Geometric Modeling of Accurate Drilled Cooling Holes on Turbine Blades
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Topics: Cooling, Geometric modeling, Turbine blades, Deformation, Errors, Film cooling, Geometry, Manufacturing, Blades, Error analysis
Proceedings Papers

Innovative Material Testing Based on Small-Scale Specimens and Application for Turbomachinery Components

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Mario Raddatz, Dirk Holländer, Uwe Gampe
Proc. ASME. GT2017, Volume 7A: Structures and Dynamics, V07AT31A004, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63422
https://doi.org/10.1115/GT2017-63422
View Paper titled, Innovative Material Testing Based on Small-Scale Specimens and Application for Turbomachinery Components
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Topics: Materials testing, Turbomachinery, Testing, Temperature, Gas turbines, Alloys, Nickel, Fatigue life, Heating, High cycle fatigue
Proceedings Papers

An Investigation on Aerodynamics Loss Mechanism of Squealer Tips of a High Pressure Turbine Blade Using URANS

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Jin-sol Jung, Okey Kwon, Changmin Son
Proc. ASME. GT2016, Volume 2D: Turbomachinery, V02DT44A027, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57313
https://doi.org/10.1115/GT2016-57313
View Paper titled, An Investigation on Aerodynamics Loss Mechanism of Squealer Tips of a High Pressure Turbine Blade Using URANS
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Topics: Aerodynamics, High pressure (Physics), Turbine blades, Cavities, Pressure, Suction, Turbines, Flow (Dynamics), Geometry, Leakage flows
Proceedings Papers

Numerical Analysis of Honeycomb Labyrinth Seals: Cell Geometry and Fin Tip Thickness Impact on the Discharge Coefficient

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Alessio Desando, Andrea Rapisarda, Elena Campagnoli, Roberto Taurino
Proc. ASME. GT2015, Volume 5C: Heat Transfer, V05CT15A003, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42106
https://doi.org/10.1115/GT2015-42106
View Paper titled, Numerical Analysis of Honeycomb Labyrinth Seals: Cell Geometry and Fin Tip Thickness Impact on the Discharge Coefficient
Open the PDF for Numerical Analysis of Honeycomb Labyrinth Seals: Cell Geometry and Fin Tip Thickness Impact on the Discharge Coefficient in another window
Topics: Discharge coefficient, Geometry, Honeycomb structures, Numerical analysis, Pressure, Computational fluid dynamics, Computer simulation, Engines, Optimization, Stators
Proceedings Papers

The Effect of Compressor Shaft Geometry on Shaft Thermal Bow due to Natural Convection

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E. O. Smith, A. J. Neely
Proc. ASME. GT2015, Volume 5C: Heat Transfer, V05CT18A003, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42940
https://doi.org/10.1115/GT2015-42940
View Paper titled, The Effect of Compressor Shaft Geometry on Shaft Thermal Bow due to Natural Convection
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Topics: Compressors, Geometry, Natural convection, Clearances (Engineering), Computational fluid dynamics, Finite element analysis, Annulus, Temperature, Cavities, Cooling
Proceedings Papers

Simulation of Silo Combustor Liners Transient Behavior for Advanced Design Upgrade

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Ilya Fedorov, Vladimir Vassiliev, Alexandre Arkhipov, Fulvio Magni
Proc. ASME. GT2015, Volume 7A: Structures and Dynamics, V07AT28A009, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-43191
https://doi.org/10.1115/GT2015-43191
View Paper titled, Simulation of Silo Combustor Liners Transient Behavior for Advanced Design Upgrade
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Topics: Combustion chambers, Design, Simulation, Transients (Dynamics), Deformation, Compressors, Computational fluid dynamics, Creep, Emissions, Finite element analysis