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Keywords: combustion
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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...
Proceedings Papers

Proc. ASME. GT2020, Volume 3: Ceramics; Coal, Biomass, Hydrogen, and Alternative Fuels, V003T03A008, September 21–25, 2020
Paper No: GT2020-14893
...CHARACTERISING HYDROGEN MICROMIX FLAMES: COMBUSTION MODEL CALIBRATION AND EVALUATION Marcos López-Juárez1, Xiaoxiao Sun*1, Bobby Sethi1, Pierre Gauthier2, David Abbott1 1School of Aerospace, Transport and Manufacturing, Cranfield University, College Road, Cranfield, MK43 0AL, United Kingdom...
Proceedings Papers

Proc. ASME. GT2020, Volume 3: Ceramics; Coal, Biomass, Hydrogen, and Alternative Fuels, V003T03A015, September 21–25, 2020
Paper No: GT2020-16084
...NUMERICAL INVESTIGATION INTO THE IMPACT OF INJECTOR GEOMETRICAL DESIGN PARAMETERS ON HYDROGEN MICROMIX COMBUSTION CHARACTERISTICS Xiaoxiao Sun*1, Parash Agarwal1, Francesco Carbonara1, David. Abbott1, Pierre. Gauthier2, Bobby Sethi1 1School of Aerospace, Transport and Manufacturing, Cranfield...
Proceedings Papers

Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A025, September 21–25, 2020
Paper No: GT2020-14483
...COMBUSTION SYSTEM UPGRADES FOR HIGH OPERATION FLEXIBILITY AND LOW EMISSION: DESIGN, TESTING & VALIDATION OF THE SGT5-4000F Lutz Blaette, Andreas Boettcher, Holger Streba a Siemens Gas and Power GmbH & Co. KG, Mellinghofer Str. 55, Muelheim an der Ruhr, 45473, Germany ABSTRACT The first Siemens AG...
Proceedings Papers

Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A008, September 21–25, 2020
Paper No: GT2020-14225
... loss is demonstrated by way of 3D CFD. Keywords: Low Emissions, Combustion, Staged Combustion, Sequential Combustion NOMENCLATURE a pre-exponential constant b exponential constant Cg2 constant in dissipation term for conserved scalar variance D diffusion coefficient f mixture fraction G unmixedness p...
Proceedings Papers

Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A041, September 21–25, 2020
Paper No: GT2020-14794
... renewables or with CCS (Carbon Capture and Storage) comes into play, allowing totally CO 2 -free combustion. Hydrogen features the unique capability to store energy for medium to long storage cycles and hence could be used to alleviate seasonal variations of renewable power generation. The importance...
Proceedings Papers

Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A061, September 21–25, 2020
Paper No: GT2020-15120
...Abstract Abstract A 2-dimensional lattice Boltzmann model for combustion phenomena is presented. Mathematically, the model is composed of a standard lattice Boltzmann distribution function to recover the hydrodynamic model which describe the density and flow velocity and two distribution...
Proceedings Papers

Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A016, September 21–25, 2020
Paper No: GT2020-15556
..., this paper studies the influence of different biogas mixtures compared to natural gas on the combustion in a FLOX ® -based six nozzle combustor. The single staged combustor is suitable for the use in a micro gas turbine (MGT) based combined heat and power (CHP) system with an electrical power output of 3 kW...
Proceedings Papers

Proc. ASME. GT2020, Volume 6: Education; Electric Power, V006T09A007, September 21–25, 2020
Paper No: GT2020-15714
... of a wet low emissions (WLE) burner. Most dry low emission/dry low NOx (DLE/DLN) technologies are currently limited to ∼60% H 2 or less. Therefore, research is currently underway to develop low NOx gas turbine combustion systems with improved Hydrogen capability. This paper provides an overview...
Proceedings Papers

Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A069, September 21–25, 2020
Paper No: GT2020-16328
...Abstract Abstract The paper presents an overview of the past and present of low-emission combustor research with hydrogen-rich fuels at Aachen University of Applied Sciences. In 1990, AcUAS started developing the Dry-Low-NO x Micromix combustion technology. Micromix reduces NO x emissions...
Proceedings Papers

Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T06A014, September 21–25, 2020
Paper No: GT2020-15345
...PRESSURE GAIN COMBUSTION BY USING SHOCK FLAME INTERACTION PRESSURE RISE Birol Gundogdu, Martin G. Rose University of Sussex, Brighton, United Kingdom ABSTRACT Pressure loss across a combustor in a gas turbine reduces thermal efficiency and increases specific fuel consumption. Theoretically, any...
Proceedings Papers

Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT11A002, September 21–25, 2020
Paper No: GT2020-14429
... of the location of impingement on the liner was insignificant with change in pilot ratio as the system tends towards a steady state, contrary to the regions downstream. Higher Reynolds number and equivalence ratios increased the heat load on the liner as expected. Keywords: Gas turbine, Combustion, Heat Transfer...
Proceedings Papers

Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT11A008, September 21–25, 2020
Paper No: GT2020-15221
... of Mechanical Engineering Mississippi State University Mississippi State, MS 39762 Federico Liberatore, Yin-Hsiang Ho Solar Turbines Inc., San Diego, California, USA ABSTRACT Emphasis on lean premixed combustion in modern low NOX combustion chambers limits the availability of air for cooling the combustion...