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Keywords: gas turbine
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Proceedings Papers

Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT34A014, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124314
... Abstract Digital Value Tool (DVT), an innovation tool, has been developed to digitalize the conceptual Cross Section of Gas Turbines (GTs). The tool aims at reducing the lead time of the conceptual design process, speeding up the development of the conceptual cross section, pursuing...
Topics: Gas turbines
Proceedings Papers

Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T13A028, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126861
... Hong National Research Council of Canada, Ottawa, Canada University of Ottawa, Ottawa, Canada ABSTRACT Establishing a continuous cooling film is an effective way to thermally protect hot-gas path components of gas turbines. For aero-engines, effusion cooling is the state-of-the-art method...
Proceedings Papers

Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T13A041, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129097
.... This study examines various lattice and TPMS structures, like Gyroid, Diamond, and BCC, alongside conventional channels and pin fins. Using steady-state CFD, it analyses pressure drop and heat transfer covering Reynolds numbers from 10,000 to 40,000, representative of gas turbine cooling applications...
Proceedings Papers

Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A026, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124058
... number shorten the start-up time. Besides, the results show that the turbine operates under more extreme conditions when the restart operation is conducted at high altitudes. gas turbine modelling nonlinear dynamics cycle performance Proceedings of ASME Turbo Expo 2024 Turbomachinery...
Proceedings Papers

Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A042, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126590
.... This study provides critical insight into the design and practical implementation of turboelectric power systems for future electrified aircraft. turbo-electric hybrid gas-electric gas turbine power generation power distribution experimental Proceedings of ASME Turbo Expo 2024 Turbomachinery...
Proceedings Papers

Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A003, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121342
... assistance for the gas turbine, is a promising concept. Batteries and fuel cells are emerging as prime candidates for replacing traditional fossil fuel power requirements, offering compelling advantages, particularly with electric powertrains offering superior efficiency compared to conventional gas turbines...
Proceedings Papers

Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A037, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125840
... conditions are set in the LuFo VI project TELEM. In a novel approach the complete propulsion system consisting of propulsors, electric motors, electrical system, generator, batteries, gas turbine and nacelles is modelled. With this approach the propulsion system can be optimized regarding a given figure...
Proceedings Papers

Proc. ASME. GT2024, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A028, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128313
... Abstract The global push to combat climate change by transitioning to clean power generation is accelerating. One promising avenue involves utilizing low-carbon fuels like hydrogen and ammonia in place of conventional fossil fuels such as coal and natural gas, particularly in gas turbine-based...
Proceedings Papers

Proc. ASME. GT2024, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A005, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122266
... Abstract Power generation from gas turbines is responsible for up to 79% of the CO 2 emissions generated by the UK Oil and Gas (O&G) industry. Thus, decarbonizing gas turbines is key to reducing emissions in the industry. Siemens Energy, in partnership with The Net Zero Technology Centre...
Proceedings Papers

Proc. ASME. GT2024, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T02A009, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126047
... of stress “convergence”. These results can provide significant guidance to develop the next-generation advanced TBCs. FE-simulations fatigue gas turbine high temperature materials stress analysis Proceedings of ASME Turbo Expo 2024 Turbomachinery Technical Conference and Exposition GT2024 June...
Proceedings Papers

Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A056, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125595
..., such as gas turbines (GT) will have to be used increasingly for residual load balancing. In addition, GTs are expected to operate fewer hours per year, more flexibly, and at lower capacities. However, fuel utilization in GT is inherently linked to emissions. As a potentially CO 2 -free energy carrier...
Proceedings Papers

Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A023, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123364
... Abstract Gas turbines are expected to play a crucial role in stabilizing the grid as renewable energy sources continue to grow but remain volatile. The Siemens Energy SGT5-4000F heavy-duty gas turbine fleet, with over 360 units in operation and more than 23 million accumulated operating hours...
Proceedings Papers

Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A024, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123589
... Abstract The micromix combustion concept is a combustion technology for using high hydrogen content fuel in gas turbines. In September 2023, Kawasaki launched the world’s first DLE gas turbine for Hydrogen. Its combustor is a new design based on the micromix (MMX) combustion principle...
Proceedings Papers

Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A016, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122593
... Abstract As part of its commitment to the decarbonization of the aviation sector and the UN Race to Zero global campaign, Rolls-Royce is actively developing hydrogen combustion gas turbine engine technology capable of powering a range of aircraft from 2035 onwards. These innovative technologies...
Proceedings Papers

Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A003, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121321
... Abstract This paper reports initial results from an effort to develop a retrofittable fuel/air injector for the FT4000 ® aeroderivative gas turbine that enables use of hydrogen as a carbon-free fuel for efficient power generation. The FT4000 engine’s low-NOx combustor was developed by Pratt...
Proceedings Papers

Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A043, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128717
... Abstract The adoption of hydrogen-enriched fuels in gas turbine power plants is gaining prominence as an effective strategy for decarbonization. However, this transition presents unique challenges, particularly in relation to hydrogen’s wider flammability range compared to natural gas when...
Proceedings Papers

Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A027, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128081
... that simulation results are affected by choice of reaction mechanism and the comparison with experimental results affirm further work is needed on the kinetics of ammonia combustion. ammonia combustion NO x emissions chemical kinetics gas turbine Proceedings of ASME Turbo Expo 2024 Turbomachinery...