Results 141 to 150 of about 372,349 (178)
Some of the next articles are maybe not open access.
The Rijke tube as an initial value problem
3rd AIAA/CEAS Aeroacoustics Conference, 1997The extension of Computational Aeroacoustics (CAA) techniques to the study of thermoacoustic oscillations requires careful consideration of the fundamental mechanisms and validation of the approach when possible. A straightforward example of a system in which thermoacoustic oscillations may arise is provided by the Rijke tube.
Douglas Nark +3 more
openaire +1 more source
Nonlinear feedback control of thermoacoustic oscillations in a Rijke tube
2014 IEEE 23rd International Symposium on Industrial Electronics (ISIE), 2014Flow disturbances could undergo transient growth to trigger thermoacoustic instability in a combustion system with non-orthogonal eigenmodes. In this work, nonlinear feedback control of thermoacoustic oscillations in a Rijke-type combustion system is considered. A generalized thermoacoustic model with distributed monopole-like actuators is proposed. To
Jaime Rubio Hervas +2 more
openaire +2 more sources
Control laboratory experiments in thermoacoustics using the Rijke tube
2014 American Control Conference, 2014We report on experiments that investigate the dynamics, identification and control of thermoacoustic phenomena in a Rijke tube apparatus. These experiments are relatively simple to construct and conduct in a typical, well-equipped undergraduate controls laboratory, yet allow for the exploration of rich and coupled acoustic and thermal dynamics, the ...
Jonathan P. Epperlein +2 more
openaire +2 more sources
Non-linear response of a generalized Rijke tube
International Journal of Engineering Science, 2001The mathematical model of unsteady velocity sensitive thermoacoustic interactions in a heated duct (generalized Rijke tube) reported by the authors in a previous publication is used to predict non-linear response. Both closed form and numerical solutions of equations derived by an approximate modal analysis are presented and employed to illustrate and ...
Hyun-Gull Yoon +2 more
openaire +1 more source
Nonlinear Thermoacoustic Instability Dynamics in a Rijke Tube
Combustion Science and Technology, 2012We present a data-driven nonlinear and chaos theory–based analysis of thermoacoustic instabilities in a simple Rijke tube. Thermoacoustic instability modes in this simple Rijke tube display very rich nonlinear behavior because of the interaction of acoustic modes and unsteady heat-release processes during combustion.
Andrew C. Noble +4 more
openaire +1 more source
Stability and Control of a Thermoacoustic Device: The Rijke’s Tube
Volume 2: Dynamic Modeling and Diagnostics in Biomedical Systems; Dynamics and Control of Wind Energy Systems; Vehicle Energy Management Optimization; Energy Storage, Optimization; Transportation and Grid Applications; Estimation and Identification Methods, Tracking, Detection, Alternative Propulsion Systems; Ground and Space Vehicle Dynamics; Intelligent Transportation Systems and Control; Energy Harvesting; Modeling and Control for Thermo-Fluid Applications, IC Engines, Manufacturing, 2014This study presents an intersection of two seemingly separate areas of research frontiers, “prediction and control of thermoacoustic instability” and “stability analysis of neutral-class linear-time-invariant (LTI) and time-delayed systems (TDS)”. The former is a coveted capability which has been elusive to the scientific community over 1½ centuries ...
Nejat Olgac +2 more
openaire +1 more source
Suppression of Rijke tube oscillations by delay coupling
Journal of Applied Physics, 2020This study experimentally analyzes the cessation of self-sustained periodic oscillations of gas columns in delay-coupled Rijke tube oscillators. The Rijke tube oscillator comprised an open-ended resonance tube with a Bunsen burner inserted into it. Delay coupling was introduced using acoustic waves propagating through a gas-filled tube with both ends ...
H. Hyodo, M. Iwasaki, T. Biwa
openaire +1 more source
A Model of Heat Transfer in Rijke Tube Burners
Combustion Science and Technology, 1996Abstract This paper presents a simple velocity transfer function for use in analysing the acoustic characteristics of Rijke Tube burners. The use of the transfer function is first demonstrated for predicting gauze tone amplification of a Rijke Tube burner when the flame/gauze system is situated in the lower quadrant of an entirely open tube.
A. C. McINTOSH, S. RYLANDS
openaire +1 more source
Boundary proportional control of thermoacoustic instability in a Rijke tube
Journal of the Franklin InstitutezbMATH Open Web Interface contents unavailable due to conflicting licenses.
Yuqian Xing +4 more
openaire +1 more source
Adaptive Stabilization of Thermoacoustic Oscillations in a Rijke Tube
2022 American Control Conference (ACC), 2022Juan Augusto Paredes +2 more
openaire +2 more sources