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Ramesh Subramanian
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Proceedings Papers

Neutron Characterization of 3D Printed Gas Turbine Alloy With Internal Cooling Structure

Nandhini Raju, Quentin Fouliard, Jeffrey R. Bunn, Ramesh Subramanian, Jayanta Kapat, Seetha Raghavan
Proc. ASME. GT2023, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V008T17A011, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102572
https://doi.org/10.1115/GT2023-102572
View Paper titled, Neutron Characterization of 3D Printed Gas Turbine Alloy With Internal Cooling Structure
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Topics: Additive manufacturing, Alloys, Cooling, Gas turbines, Neutron diffraction, Neutrons
Journal Articles

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

Alexander J. Wildgoose, Karen A. Thole, Ramesh Subramanian, Lisa Kersting, Anand Kulkarni
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2023, 145(4): 041013.
Paper No: TURBO-22-1160
https://doi.org/10.1115/1.4055973
Published Online: November 7, 2022
View Article titled, Impacts of the Additive Manufacturing Process on the Roughness of Engine Scale Vanes and Cooling Channels
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Topics: Surface roughness, Cooling, Wall thickness, Machinery, Lasers
Proceedings Papers

Shrinkage Prediction Using Machine Learning for Additively Manufactured Ceramic and Metallic Components for Gas Turbine Applications

Peter Warren, Nandhini Raju, Milos Krsmanovic, Hossein Ebrahimi, Jayanta Kapat, Ramesh Subramanian, Ranajay Ghosh
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T05A023, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83418
https://doi.org/10.1115/GT2022-83418
View Paper titled, Shrinkage Prediction Using Machine Learning for Additively Manufactured Ceramic and Metallic Components for Gas Turbine Applications
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Topics: Additive manufacturing, Ceramics, Gas turbines, Machine learning, Shrinkage (Materials), Sintering, Ovens, Computer-aided design, Computer software, Dimensions
Proceedings Papers

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

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

Sintering Behaviour of 3d Printed 17-4PH Stainless Steel

Nandhini Raju, Peter Warren, Ramesh Subramanian, Ranajay Ghosh, Erik Fernandez, Seetha Raghavan, Jayanta Kapat
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A028, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83592
https://doi.org/10.1115/GT2022-83592
View Paper titled, Sintering Behaviour of 3d Printed 17-4PH Stainless Steel
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Topics: Additive manufacturing, Diffusion (Physics), Materials properties, Metals, Shrinkage (Materials), Sintering, Stainless steel
Proceedings Papers

Multi-Physics Topology Optimization for Thermal-Flow Problems Applied to Additively Manufactured Heat Exchangers

Tsz Ling Elaine Tang, Songtao Xia, Peter Rop, Steven de Wispelaere, Ramesh Subramanian, Bernd Koos
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT36A019, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60336
https://doi.org/10.1115/GT2021-60336
View Paper titled, Multi-Physics Topology Optimization for Thermal-Flow Problems Applied to Additively Manufactured Heat Exchangers
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Topics: Additive manufacturing, Flow (Dynamics), Heat exchangers, Optimization, Physics, Topology, Workflow, Design, Fluids, Gas turbines
Proceedings Papers

Dependence of LPBF Surface Roughness on Laser Incidence Angle and Component Build Orientation

Ramesh Subramanian, David Rule, Onur Nazik
Proc. ASME. GT2021, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V007T17A015, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59755
https://doi.org/10.1115/GT2021-59755
View Paper titled, Dependence of LPBF Surface Roughness on Laser Incidence Angle and Component Build Orientation
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Topics: Lasers, Surface roughness
Proceedings Papers

Development and F-Class Industrial Gas Turbine Engine Testing of Smart Components With Direct-Write Embedded Sensors and High Temperature Wireless Telemetry

David Mitchell, Anand Kulkarni, Edward Roesch, Ramesh Subramanian, Andrew Burns, Jeffrey Brogan, Robert Greenlaw, Alex Lostetter, Marcelo Schupbach, John Fraley, Rod Waits
Proc. ASME. GT2008, Volume 2: Controls, Diagnostics and Instrumentation; Cycle Innovations; Electric Power, 381-388, June 9–13, 2008
Publisher: American Society of Mechanical Engineers
Paper No: GT2008-51533
https://doi.org/10.1115/GT2008-51533
View Paper titled, Development and F-Class Industrial Gas Turbine Engine Testing of Smart Components With Direct-Write Embedded Sensors and High Temperature Wireless Telemetry
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Topics: Gas turbines, High temperature, Industrial gases, Sensors, Telemetry, Testing, Turbines, Maintenance, Compressors, Engines
Proceedings Papers

Advanced Multi-Functional Coatings for Land-Based Industrial Gas Turbines

Ramesh Subramanian, Andrew Burns, Werner Stamm
Proc. ASME. GT2008, Volume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Manufacturing, Materials and Metallurgy; Microturbines and Small Turbomachinery, 549-558, June 9–13, 2008
Publisher: American Society of Mechanical Engineers
Paper No: GT2008-51532
https://doi.org/10.1115/GT2008-51532
View Paper titled, Advanced Multi-Functional Coatings for Land-Based Industrial Gas Turbines
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Topics: Coatings, Industrial gases, Turbines, Engines, Clearances (Engineering), Cycles, Design, Emissions, Energy generation, Firing