A closure mechanism for screech coupling in rectangular twin jets. (English) Zbl 07853293
MSC:
76-XX
Found 157 Documents (Results 1–100)
The effect of flight on a turbulent jet: coherent structure eduction and resolvent analysis. (English) Zbl 07842592
MSC:
76-XX
Nonlinear dynamics and acoustic radiation of coherent structures consisting of multiple ring-helical modes in the near-nozzle region of a subsonic turbulent circular jet. (English) Zbl 1533.76099
The axisymmetric screech tones of round twin jets examined via linear stability theory. (English) Zbl 1517.76062
Acoustic emission due to the interaction between shock and instability waves in two-dimensional supersonic jet flows. (English) Zbl 1515.76136
Investigation of flow dynamics in the beginning of propagation of a turbulent jet. (English. Russian original) Zbl 1509.76041
Fluid Dyn. 57, No. 6, 830-844 (2022); translation from Izv. Ross. Akad. Nauk, Mekh. Zhidk. Gaza 2022, No. 6, 135-150 (2022).
Analysis of the fluctuating flow parameters in a turbulent jet in mixing and noise formation processes. (English. Russian original) Zbl 1497.76040
Fluid Dyn. 57, No. 4, 444-458 (2022); translation from Izv. Ross. Akad. Nauk, Mekh. Zhidk. Gaza 2022, No. 4, 26-40 (2022).
Acoustic instability prediction of the flow through a circular aperture in a thick plate via an impedance criterion. (English) Zbl 1498.76085
Numerical analysis on flow noise and structure-borne noise of fully appended SUBOFF propelled by a pump-jet. (English) Zbl 1521.76810
Nonlinear evolution and low-frequency acoustic radiation of ring-mode coherent structures on subsonic turbulent circular jets. (English) Zbl 1512.76102
A robust physics-based method to filter coherent wavepackets from high-speed schlieren images. (English) Zbl 1505.76081
Generation of acoustic tones in round jets at a Mach number of 0.9 impinging on a plate with and without a hole. (English) Zbl 07473370
MSC:
76-XX
Pressure fluctuations due to ‘trapped waves’ in the initial region of compressible jets. (English) Zbl 1483.76051
Waves in screeching jets. (English) Zbl 1504.76068
A complex-valued resonance model for axisymmetric screech tones in supersonic jets. (English) Zbl 1502.76091
Acoustic tones in the near-nozzle region of jets: characteristics and variations between Mach numbers 0.5 and 2. (English) Zbl 1469.76108
MSC:
76Q05
Investigation of supersonic twin-jet coupling using spatial linear stability analysis. (English) Zbl 1492.76073
Wavepacket modelling of broadband shock-associated noise in supersonic jets. (English) Zbl 1486.76074
Assessment of upwind/symmetric WENO schemes for direct numerical simulation of screech tone in supersonic jet. (English) Zbl 1459.65149
Reviewer: Bülent Karasözen (Ankara)
Intermittent modal coupling in screeching underexpanded circular twin jets. (English) Zbl 1461.76397
MSC:
76Q05
High-order propagation of jet noise on a tetrahedral mesh using large eddy simulation sources. (English) Zbl 1484.65268
Sherwin, Spencer J. (ed.) et al., Spectral and high order methods for partial differential equations, ICOSAHOM 2018. Selected papers from the ICOSAHOM conference, London, UK, July 9–13, 2018. Cham: Springer. Lect. Notes Comput. Sci. Eng. 134, 325-335 (2020).
Temperature effects on the noise source mechanisms in a realistic subsonic dual-stream jet. (English) Zbl 1521.76801
Acoustic feedback loops for screech tones of underexpanded free round jets at different modes. (English) Zbl 1460.76702
Jet-installation noise and near-field characteristics of jet-surface interaction. (English) Zbl 1460.76707
MSC:
76Q05
A pressure decomposition framework for aeroacoustic analysis of turbulent jets. (English) Zbl 1472.76081
The generation mechanism of higher screech tone harmonics in supersonic jets. (English) Zbl 1460.76708
Jet noise analysis using an efficient LES/high-order acoustic coupling method. (English) Zbl 1519.76312
Dynamic load balancing for direct-coupled multiphysics simulations. (English) Zbl 1519.76313
MSC:
76Q05
Acoustic impedance and hydrodynamic instability of the flow through a circular aperture in a thick plate. (English) Zbl 1460.76695
Nonlinear evolution and acoustic radiation of coherent structures in subsonic turbulent free shear layers. (English) Zbl 1460.76416
MSC:
76F10
Influence of grid resolution on the spectral characteristics of noise radiated from turbulent jets: sound pressure fields and their decomposition. (English) Zbl 1519.76074
Two-point wavepacket modelling of jet noise. (English) Zbl 1472.76012
MSC:
76B10
Simulations of co-axial jet flows on graphics processing units: the flow and noise analysis. (English) Zbl 1462.76162
Philos. Trans. R. Soc. Lond., A, Math. Phys. Eng. Sci. 377, No. 2159, Article ID 20190083, 19 p. (2019).
Modelling of jet noise: a perspective from large-eddy simulations. (English) Zbl 1464.76045
Philos. Trans. R. Soc. Lond., A, Math. Phys. Eng. Sci. 377, No. 2159, Article ID 20190081, 23 p. (2019).
A phenomenological approach to jet noise: the two-source model. (English) Zbl 1462.76166
Philos. Trans. R. Soc. Lond., A, Math. Phys. Eng. Sci. 377, No. 2159, Article ID 20190078, 14 p. (2019).
MSC:
76Q05
Anisotropic source modelling for turbulent jet noise prediction. (English) Zbl 1462.76075
Philos. Trans. R. Soc. Lond., A, Math. Phys. Eng. Sci. 377, No. 2159, Article ID 20190075, 15 p. (2019).
MSC:
76F02
Steepened Mach waves near supersonic jets: study of azimuthal structure and generation process using conditional averages. (English) Zbl 1430.76347
Effects of nozzle-exit boundary-layer profile on the initial shear-layer instability, flow field and noise of subsonic jets. (English) Zbl 1419.76568
RANS/ILES analysis of the flow pattern and the acoustic characteristics of a supersonic off-design jet at large nozzle pressure ratios. (English. Russian original) Zbl 1416.76267
Fluid Dyn. 54, No. 1, 114-122 (2019); translation from Izv. Ross. Akad. Nauk, Mekh. Zhidk. Gaza 2019, No. 1, 115-123 (2019).
Modelling installed jet noise due to the scattering of jet instability waves by swept wings. (English) Zbl 1419.76577
A conditional space-time POD formalism for intermittent and rare events: example of acoustic bursts in turbulent jets. (English) Zbl 1415.76574
MSC:
76Q05
The acoustic impedance of a laminar viscous jet through a thin circular aperture. (English) Zbl 1415.76561
Impact of coherence decay on wavepacket models for broadband shock-associated noise in supersonic jets. (English) Zbl 1415.76579
Nozzle external geometry as a boundary condition for the azimuthal mode selection in an impinging underexpanded jet. (English) Zbl 1415.76578
On noise generation in low Reynolds number temporal round jets at a Mach number of 0.9. (English) Zbl 1415.76554
Parallel computation of aeroacoustics of industrially relevant complex-geometry aeroengine jets. (English) Zbl 1410.76418
On the hydrodynamic and acoustic nature of pressure proper orthogonal decomposition modes in the near field of a compressible jet. (English) Zbl 1419.76578
Transfer mechanisms from stochastic turbulence to organized acoustic radiation in a supersonic jet. (English) Zbl 1408.76474
Importance of the nozzle-exit boundary-layer state in subsonic turbulent jets. (English) Zbl 1415.76555
A volume integral implementation of the goldstein generalised acoustic analogy for unsteady flow simulations. (English) Zbl 1415.76575
MSC:
76Q05
Jet-flap interaction tones. (English) Zbl 1415.76564
MSC:
76Q05
Isothermal and heated subsonic jet noise using large eddy simulations on unstructured grids. (English) Zbl 1410.76420
The Near-field pressure radiated by planar high-speed free-shear-flow turbulence. (English) Zbl 1419.76569
Wavepackets and trapped acoustic modes in a turbulent jet: coherent structure eduction and global stability. (English) Zbl 1374.76074
Feedback loop and upwind-propagating waves in ideally expanded supersonic impinging round jets. (English) Zbl 1422.76116
Compressible starting jet: pinch-off and vortex ring-trailing jet interaction. (English) Zbl 1383.76426
Wavelet decomposition of hydrodynamic and acoustic pressures in the near field of the jet. (English) Zbl 1383.76425
MSC:
76Q05
Prediction of installed jet noise. (English) Zbl 1383.76423
MSC:
76Q05
Sensitivity of wavepackets in jets to nonlinear effects: the role of the critical layer. (English) Zbl 1383.76123
Combustion and engine-core noise. (English) Zbl 1359.76256
Davis, Stephen H. (ed.) et al., Annual review of fluid mechanics. Vol. 49. Palo Alto, CA: Annual Reviews (ISBN 978-0-8243-0749-3/hbk). Annual Review of Fluid Mechanics 49, 277-310 (2017).
Instability waves and aerodynamic noise in a subsonic transitional turbulent jet. (English) Zbl 1408.76475
Noise generation mechanisms for a supersonic jet impinging on an inclined plate. (English) Zbl 1422.76117
On the convection velocity of source events related to supersonic jet crackle. (English) Zbl 1382.76224
Mach-number scaling of individual azimuthal modes of subsonic co-flowing jets. (English) Zbl 1382.76225
MSC:
76Q05
Jet-noise control by fluidic injection from a rotating plug: linear and nonlinear sound-source mechanisms. (English) Zbl 1381.76434
Additional terms for the use of Ffowcs Williams and Hawkings surface integrals in turbulent flows. (English) Zbl 1390.76828
Analysis of the nozzle exit flow parameter effect on the turbulence characteristics and the noise level in jets issuing from nozzles of different types. (English. Russian original) Zbl 1333.76043
Fluid Dyn. 50, No. 6, 812-819 (2015); translation from Izv. Ross. Akad. Nauk, Mekh. Zhidk. Gaza 2015, No. 6, 117-125 (2015).
Investigation of the generation of sound waves produced by turbulent jets. (English. Russian original) Zbl 1325.76164
Fluid Dyn. 50, No. 3, 371-386 (2015); translation from Izv. Ross. Akad. Nauk, Mekh. Zhidk. Gaza 2015, No. 3, 68-86 (2015).
Investigation of unsteady processes, flow properties, and tonal acoustic radiation of a swirling jet. (English. Russian original) Zbl 1287.76029
Fluid Dyn. 49, No. 1, 51-62 (2014); translation from Izv. Ross. Akad. Nauk, Mekh. Zhidk. Gaza 2014, No. 1, 61-74 (2014).
Wavelet-based postprocessing of jet LES data for acoustic far-field extrapolations. (English) Zbl 1360.76106
Coherent noise sources of a subsonic round jet investigated using hydrodynamic and acoustic phased-microphone arrays. (English) Zbl 1291.76287
MSC:
76Q05
Analysis of plasma-based flow control mechanisms through large-eddy simulations. (English) Zbl 1290.76041
An investigation of the mechanisms of sound generation in initially laminar subsonic jets using the Goldstein acoustic analogy. (English) Zbl 1284.76337
Wave packets and turbulent jet noise. (English) Zbl 1359.76257
Davis, Stephen H. (ed.) et al., Annual review of fluid mechanics. Vol. 45. Palo Alto, CA: Annual Reviews (ISBN 978-0-8243-0745-5/hbk). Annual Review of Fluid Mechanics 45, 173-195 (2013).
Educing the source mechanism associated with downstream radiation in subsonic jets. (English) Zbl 1275.76185
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