Results 131 to 140 of about 3,416 (181)

Suppression of Rijke tube oscillations by delay coupling

Journal of Applied Physics, 2020
This 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
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Experiments on the Rijke-Tube Phenomenon

The Journal of the Acoustical Society of America, 1964
A horizontal Rijke tube with movable closed ends (an inversion of the classical open-ended apparatus) was satisfactorily tested over a wide range of experimental parameters, and demonstrated close correlation between observation and existing theory. The horizontal tube isolated operation from the laboratory standing-wave patterns, and allowed precise ...
Melvin M. Friedlander, T. J. B. Smith, Alan Powell   +2 more
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One-dimensional model for the Rijke tube

Journal of Fluid Mechanics, 1989
We develop a simple model in which longitudinal, compressible, unsteady heat transfer between heater and gas is computed in the small-Mach-number limit. This calculation is used to determine the transfer function of the heater, which plays an important role in the stability limits of the thermoacoustic instability of the Rijke tube.
Nicoli, C., Pelcé, P.
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Thermoacoustic Instability in a Rijke Tube: Non-Normality and Nonlinearity

13th AIAA/CEAS Aeroacoustics Conference (28th AIAA Aeroacoustics Conference), 2007
The role of non-normality and nonlinearity in thermoacoustic interaction in a Rijke tube is investigated in this paper. The heat release rate of the heating element is modeled by a modified form of King’s law. This fluctuating heat release from the heating element is treated as a compact source in the one-dimensional linear model of the acoustic field.
Balasubramanian, Koushik, Sujith, R. I.
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Modeling of Unstable Regimes in a Rijke Tube

5th International Symposium on Fluid Structure Interaction, Aeroelasticity, and Flow Induced Vibration and Noise, 2002
In the ducts with mean flows and heat sources, excitation of acoustic eigen modes is possible when unsteady heat release is coupled with pressure perturbations. The simplest device for studying the fundamental principles of thermoacoustic instabilities in the presence of a mean flow is a Rijke tube.
K. I. Matveev, F. E. C. Culick
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Nonlinear Thermoacoustic Instability Dynamics in a Rijke Tube

Combustion Science and Technology, 2012
We 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, Galen B. King, Normand M. Laurendeau, James R. Gord, Sukesh Roy   +4 more
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Thermo-acoustic instability in the horizontal Rijke tube

Journal of Mechanical Science and Technology, 2006
The instability curve of a Rijke tube system was obtained accurately by following different paths of heat power and flow-rate for three regions and by defining its locus from the criterion based on the measured sound pressure levels. The unstable limits in the region of flow-rate lower than that at the minimal power are compared with previous data.
Woo-Seog Song, Seungbae Lee, Dong-Shin Shin, Yang Na   +3 more
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Electric Field Damping of Rijke Tube Combustion Instabilities

Journal of Propulsion and Power, 2018
A direct-current electric field was investigated as a damping method for thermoacoustic instabilities generated in a horizontal Rijke tube driven by a premixed propane torch.
Bradley R. Henderson, Kunning G. Xu
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Non-linear response of a generalized Rijke tube

International Journal of Engineering Science, 2001
The 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, John Peddieson, Kenneth R. Purdy   +2 more
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Backstepping stabilization of a linearized ODE–PDE Rijke tube model

Automatica, 2018
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
de Andrade, Gustavo Artur, Vazquez, Rafael, Pagano, Daniel Juan   +2 more
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