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Keywords: additive manufacturing
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Proceedings Papers

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A044, June 13–17, 2022
Paper No: GT2022-83436
... Abstract With the advent of the use of additive manufacturing to build gas turbine components, the design space for new hole geometries is essentially unlimited. Recently, a computational adjoint based optimization method was used to design shaped film cooling holes fed by internal co-flow...
Proceedings Papers

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A041, June 13–17, 2022
Paper No: GT2022-83201
...Proceedings of ASME Turbo Expo 2022 Turbomachinery Technical Conference and Exposition GT2022 June 13-17, 2022, Rotterdam, The Netherlands GT2022-83201 DEVELOPMENT AND EVALUATION OF SHAPED FILM COOLING HOLES DESIGNED FOR ADDITIVE MANUFACTURING Michael T. Furgeson1 Emma M. Veley2, Christopher Yoon1...
Proceedings Papers

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A021, June 13–17, 2022
Paper No: GT2022-82178
... at a Reynolds number of 100,000. Pressure sensitive paint was used to measure the adiabatic film cooling effectiveness. Additive manufacturing was used to fabricate a porous structure on the test cylinder for effusion cooling. Both simple and compound angles were used for cooling injection. The effects...
Proceedings Papers

Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A010, June 13–17, 2022
Paper No: GT2022-82132
... thermal validation additive manufacturing gas turbine vane thermocouple Abstract Thermal validation of gas turbine components is one of the key activities performed for engine characteristics evaluation and verification of a newly developed product. There are several standard thermal...
Proceedings Papers

Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A014, June 13–17, 2022
Paper No: GT2022-81218
... be present. In recent years, additive manufacturing (AM) has further expanded the design space, but can give rise to large-scale roughness features, whose sizes are comparable to the channel height. The range of roughness length scales in these systems makes CFD of the resolved rough surfaces impractical...
Proceedings Papers

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T03A001, June 13–17, 2022
Paper No: GT2022-77981
... the impact of moving the production of one component from Investment Casting to Additive Manufacturing plus insourcing coating execution: proving the benefit of applying S-LCA to products. The findings allow comparing design and manufacturing alternatives to maximize sustainability of a product...
Proceedings Papers

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T03A002, June 13–17, 2022
Paper No: GT2022-78256
... gas turbine nozzle additive manufacturing investment casting sustainability environmental impact LCA carbon footprint Abstract Energy companies are committing to protect the environment and reducing their product carbon footprint. To accomplish these objectives, they need...
Proceedings Papers

Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A012, June 13–17, 2022
Paper No: GT2022-82391
... Abstract Additive manufacturing (AM) enables designs that are not manufacturable with conventional techniques and that offer reduced weight and better thermal performance. This is of particular relevance for gas turbine cooling as well, as proved by the first applications of combustors...
Proceedings Papers

Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT15A028, June 13–17, 2022
Paper No: GT2022-83333
... Abstract The purpose of this effort is to screen several internally cooled airfoil designs that could be fabricated when additive manufacturing becomes a viable alternative for industrial gas turbine applications. This effort is part of a larger effort to increase gas turbine performance...
Proceedings Papers

Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A015, June 13–17, 2022
Paper No: GT2022-82512
.... Additive manufacturing (AM) has recently been used to develop complex hot-section parts utilizing innovative designs with enhanced cooling features which improve efficiencies by reducing cooling air consumption. To further explore the opportunity to improve time-dependent AM superalloys, this paper...
Proceedings Papers

Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A013, June 13–17, 2022
Paper No: GT2022-82484
... additive manufacturing nickel based super alloys low cycle fatigue surface roughness effects fractographic analysis Abstract Additive manufacturing is a transformative technology that can enable advanced designs for gas turbines that are not otherwise possible. While the expansion...
Proceedings Papers

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
Paper No: GT2022-83592
... Abstract The main aim of the research work is to investigate the sintering behavior and its impact on the material properties of 3D printed 17-4PH stainless steel. The samples were manufactured by the Atomic Diffusion Additive Manufacturing technique, the Metal X system. Cooling holes were...
Proceedings Papers

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
...) that identifies expected results based on manufacturing/microstructure information as well as a second-tier rule incorporating NDE for a more refined HCF Acceptance criteria. additive manufacturing repair rotor airfoil NDE titanium turbine engines Proceedings of ASME Turbo Expo 2022 Turbomachinery...
Proceedings Papers

Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A001, June 13–17, 2022
Paper No: GT2022-79113
... Abstract Haynes 188 is a cobalt-based superalloy used in hot section gas turbine components due to its excellent oxidation resistance and elevated temperature stability. Parts made from Haynes 188 are traditionally manufactured from wrought or forged material. Additive manufacturing (AM) may...
Proceedings Papers

Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A027, June 13–17, 2022
Paper No: GT2022-83489
... to integration. anode offgas recycle blower AORB impeller solid oxide fuel cell SOFC 3D printing additive manufacturing laser powder bed fusion LPBF Inconel 718 Proceedings of ASME Turbo Expo 2022 Turbomachinery Technical Conference and Exposition GT2022 June 13-17, 2022, Rotterdam...
Proceedings Papers

Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A026, June 13–17, 2022
Paper No: GT2022-83474
... Abstract This paper presents the results of a comprehensive effort to characterize the properties of Inconel 718 produced by a form of laser powder bed fusion (LPBF) additive manufacturing (AM) or 3D-printing, subsequently subjected to hot isostatic pressing (HIP) and heat treatment according...
Proceedings Papers

Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT23A003, June 13–17, 2022
Paper No: GT2022-81207
... damping vibration analysis additive manufacturing Proceedings of ASME Turbo Expo 2022 Turbomachinery Technical Conference and Exposition GT2022 June 13-17, 2022, Rotterdam, The Netherlands GT2022-81207 ANALYSES OF DAMPING SUSTAINABILITY OF ADDITIVELY MANUFACTURED NICKEL ALLOY COMPONENTS SUBJECTED...
Proceedings Papers

Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT23A006, June 13–17, 2022
Paper No: GT2022-83889
... additive manufacturing laser powder bed fusion design modelling damping optimization vibrations blade gas turbine turbine engine Abstract Despite nearly 100 years of turbine engine design and development, blade vibrations still remain an important engineering challenge...
Proceedings Papers

Proc. ASME. GT2021, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V007T17A010, June 7–11, 2021
Paper No: GT2021-59480
...Abstract Abstract Criteria for assessing high cycle fatigue (HCF) capability is important for transitioning additive repair technologies to turbine engine applications. By studying the fatigue results of two laser directed energy deposition additive manufacturing repairs on airfoil...
Proceedings Papers

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT25A005, June 7–11, 2021
Paper No: GT2021-60201
...Abstract Abstract Emerging additive manufacturing technology offers many opportunities for improved cooling design in gas turbine components by enabling design of cooling passages and shapes that are not manufacturable with conventional methods. Many combustion components have already taken...