... 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...

.... 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...

... 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...

... 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...

... 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...

... 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...

... 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...

..., 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...

... 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...

... Abstract In this work, the effects of replacing an atomizer component of a confined jet-stabilized gas turbine combustor with a 3D-printed part have been studied. The part is called airblast, and it serves as a wall that collects and flows liquid droplets for a secondary atomization. Therefore...

... 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...

... Abstract Recently, research through the co-firing of natural gas and hydrogen, a carbon-free clean fuel, is attracting attention because to reduce greenhouse gas emissions from aging gas turbine power generation is one of the key energy issues. This can enhance the capability of old gas...

... 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...

... particles. gas turbine emulsion spray liquid wall film laser shadowgraphy Proceedings of ASME Turbo Expo 2024 Turbomachinery Technical Conference and Exposition GT2024 June 24-28, 2024, London, United Kingdom GT2024-123836 ADVANCEMENTS IN WALL FILM THICKNESS MEASUREMENT UNDER HIGH PRESSURE...

... 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...

... 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...

... 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...

... Abstract Growing interest in reducing pollutant emissions from gas turbines is driving efforts to develop combustor system solutions with low NO x , CO and UHC emissions while maintaining a wide range of performance and fuel flexibility. The paper describes an investigation of the spray...

... Abstract As gas turbine technology, design capabilities, and numerical simulation capabilities continue to advance, the boundary conditions at the inlet of the combustion chamber are no longer set as simple uniform inflow. Instead, the impact of upstream compressor exit flow distortion...

... Abstract A newly developed gas turbine combustor system based on the swirl-assisted jet-stabilized concept using Jet A-1 and natural gas as reference fuel is tested under wet conditions to evaluate its combustion characteristics in the presence of steam. The effect of steam injection...