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INVESTIGATION OF FLAME STRETCH IN TURBULENT LIFTED JET FLAME [PDF]
Combustion Science and Technology, 2014 DNS data of a laboratory-scale turbulent lifted hydrogen jet flame has been analyzed to show that this flame has mixed mode combustion not only at the flame base but also in downstream locations. The mixed mode combustion is observed in instantaneous structures as in earlier studies and in averaged structure, in which the predominant mode is found to ...
Ruan, S, Swaminathan, N, Mizobuchi, Y
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Numerical analysis of lifted hydrogen flame [PDF]
MATEC Web of Conferences, 2018 A numerical analysis of a turbulent lifted H2/N2 flame is presented. As combustion mechanisms, a large spectrum is considered including single-step and two-step, as well as detailed mechanisms.
Iqbal Sohail +3 more
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A numerical study of a lifted $$\hbox {H}_2/\hbox {N}_2$$ H 2 / N 2 flame excited by an axial and flapping forcing [PDF]
Scientific Reports, 2022 The large eddy simulation method combined with the Eulerian stochastic field approach has been used to study excited lifted hydrogen flames in a stream of hot co-flow in a configuration closely corresponding to the so-called Cabra flame.
Artur Tyliszczak, Agnieszka Wawrzak
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Double coaxial pipe jet control using DBD-PA and bluff body
Journal of Fluid Science and Technology, 2023 In this study, a double-tube burner nozzle with a DBD-PA (dielectric barrier discharge plasma actuator) and flame holder was employed to regulate the lifted flame.
Masato AKIMOTO +2 more
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LIFTED LAMINAR JET DIFFUSION FLAMES [PDF]
Combustion Science and Technology, 2005 This paper addresses the numerical description of lifted flames in axisymmetric laminar coflow jets. The analysis considers moderately large values of the Reynolds number, when the boundary-layer approximation can be used to describe the slender mixing region that extends between the jet exit and the flame, providing the profiles of velocity and ...
Liñán Martínez, Amable +3 more
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Validation of Combustion Models for Lifted Hydrogen Flame [PDF]
E3S Web of Conferences, 2019 Within a Reynolds Averaged Numerical Simulation (RANS) approach for turbulence modelling, a computational investigation of a turbulent lifted H2/N2 flame is presented.
Cemal Benim Ali, Pfeiffelmann Björn
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Direct spray combustion in a tubular flame burner toward fine particle synthesis
Journal of Thermal Science and Technology, 2021 A tubular flame burner equipped with a two-fluid nozzle for liquid precursor injection was developed and applied to the synthesis of fine particles. A tubular flame was established based on the axial spray of ethanol as a liquid fuel from the two-fluid ...
Tomoyuki HIRANO +3 more
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Numerical Investigation of Ducted Fuel Injection Strategy for Soot Reduction in Compression Ignition Engine [PDF]
Journal of Applied Fluid Mechanics, 2022 The ducted fuel injection strategy is a method that significantly reduces soot emissions in direct injection compression ignition engines. Fuel is injected into the combustion chamber through a duct enhancing the air-fuel mixture.
R. Şener
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Flow field and interaction of lifted flames in a triple port burner
Nihon Kikai Gakkai ronbunshu, 2014 In this study, we experimentally examined a combustion field in a triple port burner. There are four flame configurations, consisting of attached flames, inner attached/outer lifted flames, inner lifted/outer attached flames, and twin lifted flames ...
Kazuhiro YAMAMOTO +3 more
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Twisted absolute instability in lifted flames [PDF]
Physics of Fluids, 2009 The theory of resonant modes is extended to finite length systems containing pinch points of complex axial wavenumber k0 and frequency ω0 with arbitrary ωkk0=∂2ω/∂k2. The quantity ωkk0 is shown to be an important indicator of how streamwise boundary conditions modify the local absolute mode at (k0,ω0).
Nichols, Joseph, W. +2 more
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