Results 41 to 50 of about 494,605 (210)
IEEE Access, 2023 This paper proposes an adaptive scheme for the boundary stabilization of thermoacoustic instability in the Rijke tube system using the backstepping method. The mathematical model of the system is characterized by a $2\times 2$ linear hyperbolic partial
Elham Aarabi +2 more
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3-D thermoacoustic instability analysis based on Green's function approach [PDF]
, 2022 A fundamental analysis is made of the thermoacoustic instability in a hard-walled box. We model the flame as an acoustically compact source with a heat release characteristic described by a directional nt-law.
Heckl, Maria +3 more
core +1 more source
Flow Characterisation of Flames in an Acoustically Excited Chamber [PDF]
, 2012 Flame-acoustic wave interactions have been studied widely in the combustion community; however the whole physicochemical mechanism is still not clear.
Chen, Li-Wei
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Accounting for convective effects in zero-Mach-number thermoacoustic models [PDF]
, 2014 This paper presents a methodology to account for some mean-flow effects on thermo-acoustic instabilities when using the zero-Mach-number assumption. It is shown that when a computational domain is represented under the M=0 assumption, a nonzero-Mach ...
Nicoud, F. +5 more
core +1 more source
Energy and AI, 2021 The intermittent nature of operation and unpredictable availability of renewable sources of energy (e.g., wind and solar) would require the combustors in fossil-fuel power plants, sharing the same grid, to operate with large turn-down ratios. This brings
Sudeepta Mondal +3 more
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Fluids, 2022 Convective velocity perturbations (CVPs) are known to play an important role in the response of flames to acoustic perturbations and in thermoacoustic combustion instabilities.
Thomas Steinbacher, Wolfgang Polifke
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Applied Sciences, 2023 Self-excited thermoacoustic instability (SETAI) is an undesirable and dangerous phenomenon in combustion systems. However, its control is difficult, thus greatly limiting the development of combustion technology.
Yongbo Du +6 more
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International Journal of Aerospace Engineering, 2020 We seek to ascertain and understand source terms that drive thermoacoustic instability and acoustic radiation. We present a new theory based on the decomposition of the Navier-Stokes equations coupled with the mass fraction equations.
S. A. E. Miller
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Applied SciencesThe premixed combustion of a gas turbine is prone to thermoacoustic oscillation, which affects the safety of combustion systems. This study experimentally investigated the suppression mechanism of a stratified jet-in-crossflow on the thermoacoustic ...
Rongyue Sun, Chengfei Tao
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Fundamentals, Advances, and Applications of Electrospun Nanofibrous 3D Materials
Journal of Applied Polymer Science, EarlyView.Three‐dimensional electrospun nanofibrous systems offer unique properties and microenvironments. These properties are determined by the fabrication strategies employed and can be adjusted by the incorporation of functional additives to achieve multifunctionality for specific applications. The applications range from the biomedical to the environmental,
Rebecca Hengsbach +4 more
wiley +1 more source