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Development of a Flame Transfer Function Framework for Transversely Forced Flames
Volume 1B: Combustion, Fuels and Emissions, 2013This paper describes a framework for the development of a flame transfer function for transversely forced flames. While extensive flame transfer function measurements have been made for longitudinally forced flames, the disturbance field characteristics governing the flame response of a transversely forced flame are different enough to warrant separate
Jacqueline O’Connor, Vishal Acharya
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Modeling of flame transfer function of a conical turbulent premixed flame with variable flame speed
Journal of Mechanical Science and Technology, 2022J. Cho
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Flame Transfer Function and Emissions of a Piloted Single Jet Burner: Influence of Hydrogen Content
Volume 3B: Combustion, Fuels, and Emissions, 2023The next generation of gas turbines must enable partial or pure hydrogen combustion to decarbonize electricity production. In this respect, jet burners have received increased attention in research and industry as a viable solution for combustors ...
P. Z. zur Nedden +5 more
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Journal of Engineering For Gas Turbines and Power, 2022
The Flame Transfer Function (FTF) has been experimentally investigated for a premixed, turbulent and highly swirled flame in rectangular enclosures with varying aspect ratio.
Aksel Ånestad +3 more
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The Flame Transfer Function (FTF) has been experimentally investigated for a premixed, turbulent and highly swirled flame in rectangular enclosures with varying aspect ratio.
Aksel Ånestad +3 more
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The Effects of Forcing Direction on the Flame Transfer Function of a Lean-Burn Spray Flame
Volume 3B: Combustion, Fuels, and Emissions, 2021The flame transfer function (FTF) of an industrial lean-burn fuel injector has been computed using large eddy simulation (LES) and compared to experimental measurements using the multi-microphone technique and OH* measurements.
N. Treleaven +5 more
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, 2021
The flame transfer functions (FTF) is a key quantity to assess the thermoacoustic properties of combustion systems. It is known to depend on the hydrodynamic instabilities of the combustor flow.
F. Lückoff +3 more
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The flame transfer functions (FTF) is a key quantity to assess the thermoacoustic properties of combustion systems. It is known to depend on the hydrodynamic instabilities of the combustor flow.
F. Lückoff +3 more
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Decomposition of swirling flame transfer function in the complex space
, 2021In this work, we propose an analytical decomposition of the flame transfer function (FTF) in the complex space. The decomposition provides new insight into the relationship between the local heat release oscillator and the global flame response of a ...
Guoqing Wang +6 more
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Flame Transfer Functions for Turbulent, Premixed, Ammonia-Hydrogen-Nitrogen-Air Flames
Volume 3B: Combustion, Fuels, and Emissions, 2022Abstract Ammonia is a promising hydrogen and energy carrier but also a challenging fuel to use in gas turbines, due to its low flame speed, limited flammability range, and the production of NOx from fuel-bound nitrogen. Previous experimental and theoretical work has demonstrated that partially-dissociated ammonia (NH3/H2/N2 mixtures) can
Samuel Wiseman +2 more
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Thermo Acoustic Flame Transfer Function Prediction for Turbulent Non-Premixed Syngas Flames
Volume 1: Combustion and Fuels, Education, 2006The thermo-acoustic behaviour of non-premixed turbulent syngas flames is investigated by means of transient RaNS Computational Fluid Dynamics simulations. Three cases with two different fuel compositions are considered. Both fuels are combusted in a turbulent non-premixed swirl stabilised mode, and are mixtures of hydrogen, carbon monoxide and nitrogen.
Pater, Sjoerd G.M. +2 more
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Journal of Vibration and Control
Thermoacoustic instability is a common problem in the operation of modern gas turbines. The prediction of thermoacoustic instability and the clarification of its mechanism are the research focus and difficulty in the gas turbine industry.
Jingzhen Chen +3 more
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Thermoacoustic instability is a common problem in the operation of modern gas turbines. The prediction of thermoacoustic instability and the clarification of its mechanism are the research focus and difficulty in the gas turbine industry.
Jingzhen Chen +3 more
semanticscholar +1 more source