Experimental method for temperature measurement on lateral planes along a Rijke tube to assess efficacy of control method [PDF]
MethodsX, 2023 The thermo-acoustic instabilities developed inside the combustor causes serious structural damage and reduces the life of power producing devices. The present work involves experimental investigation to assess effect of radial micro-jets air injection on
Nilaj N. Deshmukh +2 more
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Suppression of thermo-acoustic instabilities in horizontal Rijke tube using pulsating radial jets [PDF]
MethodsX, 2023 Thermo-acoustic instability has been observed in gas turbines, rocket engines, and aero-engines. Acoustic perturbations grow and change the characteristics of the flow due to instability.
Nilaj N. Deshmukh +6 more
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Development of closed-loop active control method for suppression of thermoacoustic instability using radial air micro-jets [PDF]
MethodsX, 2023 Thermoacoustic instabilities present in the combustor of power producing devices are having adverse effects on the performance. To avoid thermoacoustic instabilities, design of control method is very much essential.
Nilaj Deshmukh +5 more
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Experimental Investigation on Self-Excited Thermoacoustic Instability in a Rijke Tube
Applied Sciences, 2022 The experimental investigations into the thermoacoustic instability in a Rijke tube are presented. In order to capture the dynamics of the temperature, a single-ended tunable diode laser absorption spectroscopy (TDLAS) technique was developed, with a ...
Liezhao Luo +5 more
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Aerospace, 2022 Thermoacoustic instabilities occur when heat release is coupled with pressure fluctuation, which may cause performance degradation of the combustor and serious structural damage.
Jiangge Deng +3 more
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Robust Output Model Predictive Control of an Unstable Rijke Tube
Journal of Combustion, 2012 This work investigates the active control of an unstable Rijke tube using robust output model predictive control (RMPC). As internal model a polytopic linear system with constraints is assumed to account for uncertainties.
Fabian Jarmolowitz +3 more
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Early warnings are too late when parameters change rapidly [PDF]
Scientific ReportsTipping (or sudden transition) from a desirable state to an undesirable one can result in catastrophic changes, affecting natural environments, human societies and economies.
Rohit Radhakrishnan +4 more
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Effect of pointed and diffused air injection on premixed flame confined in a Rijke tube
Cogent Engineering, 2016 The coupling between pressure fluctuations and unsteady heat release in a combustion systems results in acoustic oscillations inside the combustion system.
Nilaj N. Deshmukh, S.D. Sharma
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Numerical simulation of thermoacoustic instability in Rijke tube
Xibei Gongye Daxue Xuebao, 2021 The influence of three different states on the thermoacoustic instability characteristics of Rijke tube was compared in order to reseach the influencing factors of thermoacoustic oscillation by using the Rijke tube model with stack as the heat source ...
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Numerical Study on the Route of Flame-Induced Thermoacoustic Instability in a Rijke Burner
Applied Sciences, 2021 The self-excited thermoacoustic instability in a two-dimensional Rijke-type burner with a center-stabilized premixed methane–air flame is numerically studied.
Nannan Dang +2 more
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