Relevant bibliographies by topics / Flow-excited Helmholtz resonator

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  1. Journal articles
  2. Dissertations / Theses
  3. Conference papers

Academic literature on the topic 'Flow-excited Helmholtz resonator'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Flow-excited Helmholtz resonator"

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MA, RUOLONG, PAUL E. SLABOCH, and SCOTT C. MORRIS. "Fluid mechanics of the flow-excited Helmholtz resonator." Journal of Fluid Mechanics 623 (March 6, 2009): 1–26. http://dx.doi.org/10.1017/s0022112008003911.

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A flow-excited Helmholtz resonator was investigated experimentally and theoretically. The analysis was focused on a simplified momentum balance integrated over the region of the orifice. The resulting expressions were used to guide an experimental programme designed to obtain measurements of the resonator pressure under flow excitation, as well as the dynamics of the shear layer in the orifice using particle image velocimetry (PIV). The pressure measurements indicated a number of distinctive features as the flow speed varied. The PIV results provided a detailed representation of the shear laye
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Dai, Xiwen. "Vortex convection in the flow-excited Helmholtz resonator." Journal of Sound and Vibration 370 (May 2016): 82–93. http://dx.doi.org/10.1016/j.jsv.2016.01.053.

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McManus, Thomas Neil, and Assed Haddad. "Surface Air Movement: An Important Contributor to Ventilation of Isolated Subsurface Structures?" Infrastructures 4, no. 2 (2019): 23. http://dx.doi.org/10.3390/infrastructures4020023.

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This study reports on near-surface airspeed measured using a fast-responding thermoanemometer during an investigation of ventilation of an isolated subsurface structure induced by natural forces. Air speed changes continuously, rapidly, and unpredictably when assessed on the time base of one or two seconds. Zero, the most common air speed, occurred in almost all tests throughout the year but especially during cool and cold months. The most probable non-zero air speed, 10.7 m/min (35 ft/min), occurred in all tests. This air speed is below the level of detection by the senses. The number of zero
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Ghanadi, Farzin, Maziar Arjomandi, Benjamin Cazzolato, and Anthony Zander. "Understanding of the flow behaviour on a Helmholtz resonator excited by grazing flow." International Journal of Computational Fluid Dynamics 28, no. 5 (2014): 219–31. http://dx.doi.org/10.1080/10618562.2014.922681.

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Li, Qin, Wei Sha, Fu Bao Li, and Shu Yi Xiao. "Oscillation Mechanism Analysis and Numerical Simulation for Tandem Self-Excited Oscillation Pulsed Jet Nozzle." Applied Mechanics and Materials 448-453 (October 2013): 3449–53. http://dx.doi.org/10.4028/www.scientific.net/amm.448-453.3449.

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Self-excited oscillation pulsed jet is the new jet which is superior to the traditional continuous jet. In view of the insufficiency of the widely used organ pipe and Helmholtz resonator at present, firstly, with the actual needs of production as the background, a tandem Self-excited oscillation pulsed jet nozzles is presented in this paper. Then on the basis of previous studies, some new ideas are put forward after the cavity Self-excited oscillation mechanism is analyzed theoretically. Finally, numerical simulation of the nozzle flow field is carried out using FLUENT, then ideal pressure dis
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Ghanadi, Farzin, Maziar Arjomandi, Ben Cazzolato, and Anthony Zander. "Interaction of a flow-excited Helmholtz resonator with a grazing turbulent boundary layer." Experimental Thermal and Fluid Science 58 (October 2014): 80–92. http://dx.doi.org/10.1016/j.expthermflusci.2014.06.016.

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Zoccola, P. J. "Effect of opening obstructions on the flow-excited response of a Helmholtz resonator." Journal of Fluids and Structures 19, no. 7 (2004): 1005–25. http://dx.doi.org/10.1016/j.jfluidstructs.2004.04.013.

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Dai, Xiwen, Xiaodong Jing, and Xiaofeng Sun. "Flow-excited acoustic resonance of a Helmholtz resonator: Discrete vortex model compared to experiments." Physics of Fluids 27, no. 5 (2015): 057102. http://dx.doi.org/10.1063/1.4921529.

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Zoccola, Paul, Joseph Slomski, and Theodore Farabee. "Results of flow‐field quantities from computational fluid dynamics (CFD) analysis of a flow‐excited Helmholtz resonator." Journal of the Acoustical Society of America 119, no. 5 (2006): 3229. http://dx.doi.org/10.1121/1.4785956.

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Haiko, Hennadii, Oleksandr Zhivkov, and Lubov Pyha. "Application of resonant oscillatory systems for the seafloor gas hydrates development." E3S Web of Conferences 230 (2021): 01020. http://dx.doi.org/10.1051/e3sconf/202123001020.

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The prospects for the gas recovery from bottom gas hydrates are studied, and the necessity for the formation of an innovation environment and practical steps for conducting industrial experiments are formulated. The promising methods of shielded development of seafloor gas hydrate deposits are analyzed and the technical problems of their improvement are revealed. The possibilities of using resonant oscillatory systems for the shielded development of bottom gas hydrates are studied, in particular, a Helmholtz flow-excited resonator. The expediency of using high-quality oscillations of the “rota
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Dissertations / Theses on the topic "Flow-excited Helmholtz resonator"

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Ghanadi, Farzin. "Application of a Helmholtz resonator excited by grazing flow for manipulation of a turbulent boundary layer." Thesis, 2015. http://hdl.handle.net/2440/92808.

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In most industrial applications involving flow the Reynolds number is typically sufficiently high such that the boundary layer is turbulent. Flow instabilities within the turbulent boundary layer can result in an excessive drag penalty which is considered to be the main parameter affecting the aerodynamic efficiency in numerous applications including aircraft and pipelines. The aim of this research is manipulation of the turbulent boundary layer through the oscillatory flow created by a flow-excited Helmholtz resonator for the purpose of minimising the flow instabilities. Attention has been gi
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Conference papers on the topic "Flow-excited Helmholtz resonator"

1

Buehn, Jacob, and Paul E. Slaboch. "Computational Study of Active Flow Control of a Flow-Excited Helmholtz Resonator." In 22nd AIAA Computational Fluid Dynamics Conference. American Institute of Aeronautics and Astronautics, 2015. http://dx.doi.org/10.2514/6.2015-3413.

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Slaboch, Paul, Ruolong Ma, and Scott Morris. "Vortical-acoustic interactions in a flow-excited Helmholtz resonator at low Mach numbers." In 14th AIAA/CEAS Aeroacoustics Conference (29th AIAA Aeroacoustics Conference). American Institute of Aeronautics and Astronautics, 2008. http://dx.doi.org/10.2514/6.2008-2849.

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Ghanadi, Farzin, Maziar Arjomandi, Benjamin Cazzolato, and Anthony Zander. "EFFECTIVENESS OF FLOW-EXCITED HELMHOLTZ RESONATOR ON TURBULENCE STRUCTURES IN STREAMWISE AND SPANWISE DIRECTIONS." In Ninth International Symposium on Turbulence and Shear Flow Phenomena. Begellhouse, 2015. http://dx.doi.org/10.1615/tsfp9.410.

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Zhang, Man, Yuzhen Lin, and Wenjie Tao. "Analytical Study of Low-Frequency Helmholtz Mode Oscillation in a Model Combustor." In ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gt2017-64130.

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The “growl” mode combustion instability is one of the most destructive phenomenon occurring in the lean burn aeroengine combustor at low power condition. This topic is widely investigated these years focusing on the mechanism of flame structures, oscillation modes and the development of prediction methods. Recently, an analytical prediction method which based on the linear solution of Helmholtz equation was successfully used to predict the inception of the growl instability. In this model, the flame tube and the inflow duct are modeled as individual cavities and connected through a swirler act
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Macquisten, M. A., A. Holt, M. Whiteman, A. J. Moran, and J. Rupp. "Passive Damper LP Tests for Controlling Combustion Instability." In ASME Turbo Expo 2006: Power for Land, Sea, and Air. ASMEDC, 2006. http://dx.doi.org/10.1115/gt2006-90874.

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The drive to low emissions from GT combustors has pushed manufacturers towards leaner combustion systems. Lean combustion systems are susceptible to thermo acoustic or combustion instabilities, which can significantly limit the operation of the GT in terms of performance and emissions. Combustion instability is the result of coupling between fluctuations in the heat release rate and pressure waves. The occurrence of instability dependent on (a) satisfying the Rayleigh criterion and (b) the growth must exceed the losses of acoustic energy. The growth of instability can be controlled by increasi
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He´mon, Pascal, Xavier Amandole`se, Franc¸oise Santi, and Jan Wojciechowski. "Study of the Acoustic Oscillations of Flow Over Cavities: Part 2 — Sound Reduction." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-33376.

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We present experimental results obtained with a deep cavity, like an Helmholtz resonator, excited by an airflow. The resonance under the action of the vortices generated in the shear layer is well described and quantified. The mounting of actuators, based on a few piezo-electric elements, allows to generate a series of two-dimensional vortices forced at a frequency which is different than the natural resonance frequency. The sound level in the cavity is strongly decreased and the broadband noise of the turbulence only remains.
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