Low-frequency sound radiated by a nonlinearly modulated wavepacket of helical modes on a subsonic circular jet
From MaRDI portal
Publication:5306126
DOI10.1017/S0022112009990577zbMath1183.76866MaRDI QIDQ5306126
Publication date: 29 March 2010
Published in: Journal of Fluid Mechanics (Search for Journal in Brave)
Related Items (16)
On generation of sound in wall-bounded shear flows: back action of sound and global acoustic coupling ⋮ Asymptotic properties of the overall sound pressure level of subsonic jet flows using isotropy as a paradigm ⋮ Nonlinear evolution and low-frequency acoustic radiation of ring-mode coherent structures on subsonic turbulent circular jets ⋮ Instability waves and aerodynamic noise in a subsonic transitional turbulent jet ⋮ 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 ⋮ Directivity of acoustic emissions from wave packets to the far field ⋮ Large-activation-energy theory for premixed combustion under the influence of enthalpy fluctuations ⋮ Excitation and evolution of radiating modes in supersonic boundary layers. I: Fundamental resonance with impinging sound waves ⋮ Nonlinear evolution and acoustic radiation of coherent structures in subsonic turbulent free shear layers ⋮ Nonlinear dynamics of large-scale coherent structures in turbulent free shear layers ⋮ Transition to chaos in a reduced-order model of a shear layer ⋮ Modelling and prediction of the peak-radiated sound in subsonic axisymmetric air jets using acoustic analogy-based asymptotic analysis ⋮ Sound generation due to the interaction of turbulence with surfaces embedded in transversely sheared flow ⋮ First-principle description of acoustic radiation of shear flows ⋮ Acoustic emissions from convected wave packets ⋮ Spectral broadening and flow randomization in free shear layers
Cites Work
- Noise sources in a low-Reynolds-number turbulent jet at Mach 0.9
- On the weakly nonlinear three-dimensional instability of shear layers to pairs of oblique waves: the Stokes layer as a paradigm
- Sound generated by instability waves of supersonic flows. Part 2. Axisymmetric jets
- Large-scale structure evolution and sound emission in high-speed jets: real-time visualization with simultaneous acoustic measurements
- Nonlinear mechanisms of sound generation in a perturbed parallel jet flow
- Instability waves in a subsonic round jet detected using a near-field phased microphone array
- Coherent structure in a turbulent jet via a vector implementation of the proper orthogonal decomposition
- Shear-layer pressure fluctuations and superdirective acoustic sources
- The aeroacoustics of slowly diverging supersonic jets
- Sound generation and upstream influence due to instability waves interacting with non-uniform mean flows
- The sound field of a Tollmien–Schlichting wave
- Sound Radiation by Instability Wavepackets in a Boundary Layer
- The radiation of sound by the instability waves of a compressible plane turbulent shear layer
- Fluid shielding of low frequency convected sources by arbitrary jets
- The low frequency sound from multipole sources in axisymmetric shear flows, with applications to jet noise
- The low frequency sound from multipole sources in axisymmetric shear flows. Part 2
- Stability of slowly diverging jet flow
- Direct computation of the sound generated by vortex pairing in an axisymmetric jet
- Reconstruction of the global velocity field in the axisymmetric mixing layer utilizing the proper orthogonal decomposition
- Downstream evolution of the most energetic modes in a turbulent axisymmetric jet at high Reynolds number. Part 1. The near-field region
- Downstream evolution of the most energetic modes in a turbulent axisymmetric jet at high Reynolds number. Part 2. The far-field region
- Mach wave radiation of nonlinearly evolving supersonic instability modes in shear layers
- Nonlinear evolution of oblique waves on compressible shear layers
- Nonlinear evolution of interacting oblique waves on two-dimensional shear layers
- Nonlinear spatial evolution of helical disturbances to an axial jet
- Nonlinear evolution of a pair of oblique instability waves in a supersonic boundary layer
- The role of nonlinear critical layers in boundary layer transition
- Experimental investigation of turbulent density fluctuations and noise generation from heated jets
- Acoustic radiation of Tollmien–Schlichting waves as they undergo rapid distortion
- Nonlinear interaction model of subsonic jet noise
- Directional acoustic radiation from a supersonic jet generated by shear layer instability
- Investigation of noise sources in high-speed jets via correlation measurements
- Experiments on jet flows and jet noise far-field spectra and directivity patterns
- Turbulence in the noise-producing region of a circular jet
- Nonlinear evolution of subsonic and supersonic disturbances on a compressible free shear layer
This page was built for publication: Low-frequency sound radiated by a nonlinearly modulated wavepacket of helical modes on a subsonic circular jet
