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Keywords: combustion
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Proceedings Papers

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT11A003, June 13–17, 2022
Paper No: GT2022-82067
... Sr. Fellow, Combustion & Emissions Honeywell Aerospace 111, S. 34th Street Phoenix, AZ 85034 Srinath V. Ekkad Fellow ASME RJ Reynolds Professor Mechanical and Aerospace Engineering, North Carolina State University Raleigh, NC 27695 Ryan Meyer Sr Advanced R&D Engineer / Scientist Honeywell Aerospace...
Proceedings Papers

Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A030, June 13–17, 2022
Paper No: GT2022-82652
... of their inertia and the possibility to quickly ramp-up and down. A consortium led by Thomassen Energy is at work at realizing a cost-effective, ultra-low emissions (sub 9ppm NOx and CO) combustion system for gas turbines in the 1–300 MW output range. A key requirement is fuel flexibility and stable operation...
Proceedings Papers

Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A021, June 13–17, 2022
Paper No: GT2022-81784
... Abstract The use of hydrogen as an alternative fuel in the combustion chamber of an aircraft turbine engine would offer a practical solution to reducing levels of emissions which contribute to atmospheric pollution. In recent years various designs of the basic system component of such an engine...
Proceedings Papers

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T03A012, June 13–17, 2022
Paper No: GT2022-82583
... with existing fuel as a promising alternative to meet regulatory standards for emission. A typical Dry Low NOx (DLN) combustion system can handle a certain level of hydrogen blending. However, due to fundamental differences between the properties of hydrogen and methane, existing designs of combustion systems...
Proceedings Papers

Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A052, June 13–17, 2022
Paper No: GT2022-81895
... Abstract With the civil aviation engine now developing towards lower pollutant, and the lean direct injection (LDI) combustion proves excellent potential in reducing NOx emission, a concentric staged LDI combustor, both the main and pilot stages are based on LDI combustion concept, is proposed...
Proceedings Papers

Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A004, June 13–17, 2022
Paper No: GT2022-78304
... combustion duct to operate at 4.5 bar. This pressure corresponds to that found at full-load in the actual micro gas turbine’s combustion chamber. The lean stability limits were measured by igniting the flame at an equivalence ratio of ϕ = 0.85 and then progressively decreasing the equivalence ratio until...
Proceedings Papers

Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A036, June 13–17, 2022
Paper No: GT2022-82881
... of these fuels will be presented. The mechanisms include GRI 3.0 as well as three mechanisms which have been previously developed to improve the accuracy with high H 2 content fuels. combustion hydrogen gas turbine Baukasten Proceedings of ASME Turbo Expo 2022 Turbomachinery Technical Conference...
Proceedings Papers

Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A026, June 13–17, 2022
Paper No: GT2022-82601
... Abstract Due to its clean combustion characteristics, hydrogen fuel is gaining attention in power generation. New designs of engine systems and components are being explored to allow blending with the increasing amount of hydrogen in natural gas. Adding H 2 increases the probability...
Proceedings Papers

Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A005, June 13–17, 2022
Paper No: GT2022-82110
... contents in the gas turbine is challenging in terms of NOx emissions and the mitigation of flashback risks as well as suppressing thermoacoustic instabilities. This paper illustrates a design modification to improve the hydrogen capabilities of the Advanced Can Combustion (ACC) system and its ultra-low...
Proceedings Papers

Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A043, June 13–17, 2022
Paper No: GT2022-83039
...Proceedings of ASME Turbo Expo 2022 Turbomachinery Technical Conference and Exposition GT2022 June 13-17, 2022, Rotterdam, The Netherlands GT2022-83039 EXPERIMENTAL STUDY ON COMBUSTION OF METHANE / AMMONIA BLENDS FOR GAS TURBINE APPLICATION Mario Ditaranto SINTEF Energy Research AS Trondheim...
Proceedings Papers

Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A028, June 13–17, 2022
Paper No: GT2022-82622
... a significant impact on the NOx prediction, and it is important to capture the fuel spray correctly to predict the right amount of NOx. NOx finite rate chemistry combustion CFD Proceedings of ASME Turbo Expo 2022 Turbomachinery Technical Conference and Exposition GT2022 June 13-17, 2022, Rotterdam...
Proceedings Papers

Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A018, June 13–17, 2022
Paper No: GT2022-82299
... fuel flexibility with H2 blends up to 50% and significant turndown capability. The new HL class is equipped with the new ACE combustion system which was developed over the last decade, and which has been successfully tested in the SGT6-9000HL at Lincoln County (North Carolina, USA). The ACE combustion...
Proceedings Papers

Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A031, June 7–11, 2021
Paper No: GT2021-59029
...Abstract Abstract Increased global demand for cleaner energy production and growing concern about using fossil fuels have urged many researchers to focus their work on developing more efficient and flexible combustion processes. In this regard, a FLOX ® -based liquid fuel single-nozzle burner...
Proceedings Papers

Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A030, June 7–11, 2021
Paper No: GT2021-59009
...Abstract Abstract Lean Direct Injection (LDI) concept proves to be an ultra-low NOx combustion scheme for future gas turbine combustors because of its ability to operate at very lean conditions. For LDI burners, the Fuel Nozzle Diameters (FND) play a vital role in deciding a balance between...
Proceedings Papers

Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A027, June 7–11, 2021
Paper No: GT2021-60057
...Abstract Abstract Hydrogen, a carbon-free fuel, is a challenging gas to transport and store, but that can be solved by producing ammonia, a worldwide commonly distributed chemical. Ideally, ammonia should be used directly on site as a fuel, but it has many combustion shortcomings, with a very...
Proceedings Papers

Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A032, June 7–11, 2021
Paper No: GT2021-60328
...Abstract Abstract Oxygen-fuel-diluent mixing is important for oxy-combustion as it impacts emissions, efficiency (oxygen slippage) and pattern factor. In this work, rapid mixing validation testing was conducted. Combustion testing was performed with natural gas and syngas from atmospheric...
Proceedings Papers

Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT11A002, June 7–11, 2021
Paper No: GT2021-59312
... engine swirler and gaseous fuel (methane), subjecting the liner walls to engine representative flow and combustion conditions. In this study, three different effusion cooling liners with spanwise spacings of r/d = 6, 8, and 10 and streamwise spacing of z/d = 10 were tested for four coolant-to-main...
Proceedings Papers

Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T03A003, June 7–11, 2021
Paper No: GT2021-58784
... are required in the fuel intake system such that convergent divergent angle, throat diameter, etc. for uniform mixing of enriched biogas and air for complete combustion of fuel for improving engine performance and efficiency. This paper focuses on the design and development of a biogas venturi mixture...
Proceedings Papers

Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T03A013, June 7–11, 2021
Paper No: GT2021-59844
... to that of this Hydrogen micromix is a candidate combustion technology kerosene combustor is determined using the same low order modelling approach. The comparison suggests that the for hydrogen aviation gas turbines. The introduction and micromix combustor is much less likely to produce development of new combustion...
Proceedings Papers

Proc. ASME. GT2020, Volume 3: Ceramics; Coal, Biomass, Hydrogen, and Alternative Fuels, V003T03A014, September 21–25, 2020
Paper No: GT2020-16070
... 3Siemens Canada Limited, Montreal, Quebec, Canada ABSTRACT Hydrogen micromix combustion is a promising concept to reduce the environmental impact of both aero and land-based gas turbines by delivering carbon-free and ultra-low-NOx combustion without the risk of autoignition or flashback. The EU H2020...