23 citations · 33 across the 11 of their papers we have counts for
11 papers
Mean-flow-based reduced-order models of turbulent channel flow
Ian Addison-Smith, Igor A. Maia, André V. G. Cavalieri +1
Reduced-order models (ROMs) for turbulent flows based on Galerkin projection can achieve reasonable accuracy using equation-based modal bases derived from the linearized Navier-Sto…
Jet-noise reduction via streak generation in the nozzle boundary layer
Filipe R. do Amaral, Petrônio A. S. Nogueira, Igor A. Maia +2
We study the hydrodynamic and acoustic fields of turbulent jets issuing from nozzles modified by the addition of cylindrical tabs on the inner surface, one diameter upstream of the…
Turbulence suppression in plane Couette flow using reduced-order models
Igor A. Maia, André V. G. Cavalieri
We explore a reduced-order model (ROM) of plane Couette flow with a view to performing turbulence control. The ROM is derived through Galerkin projections of the incompressible Nav…
Reactive experimental control of turbulent jets
Diego B. S. Audiffred, André V. G. Cavalieri, Igor A. Maia +2
We present an experimental study of reactive control of turbulent jets. We target axisymmetric disturbances associated with coherent structures, which are known to underpin the pea…
Tones and upstream-travelling waves in ideally-expanded round impinging jets
Igor A. Maia, Maxime Fiore, Romain Gojon
We study the generation of tones by ideally-expanded round jets impinging on a flat plate. Data from large-eddy simulations performed for different nozzle-to-plate distances is exp…
The effect of flight on a turbulent jet: coherent structure eduction and resolvent analysis
Igor A. Maia, Liam Heidt, Ethan Pickering +3
We study coherent structures in subsonic turbulent jets subject to a flight stream. A thorough characterisation of the effects of a flight stream on the turbulent field was recentl…
Modal-based generalised quasilinear approximations for turbulent plane Couette flow
Igor A. Maia, André V. G. Cavalieri
We study generalised quasilinear (GQL) approximations applied to turbulent plane Couette flow. The GQL framework is explored in conjunction with a Galerkin reduced-order model (ROM…
The effect of a flight stream on subsonic turbulent jets
Igor A. Maia, Guillaume Brès, Lutz Lesshafft +1
This study concerns a turbulent jet at Mach number , subject to a uniform external flow stream at . We assess the mechanisms that underpin the reduction in fluct…
Wave cancellation in jets with laminar and turbulent boundary layers: the effect of nonlinearity
Igor A. Maia, Peter Jordan, André V. G. Cavalieri
This paper presents a study on wave cancellation in forced jets. Building on recent work on real-time control of forced turbulent jets [1,2], we here assess the effect of jet upstr…
Wavepacket Modelling of Broadband Shock-Associated Noise in Supersonic Jets
Marcus H. Wong, Peter Jordan, Igor A. Maia +4
We present a two-point model to investigate the underlying source mechanisms for broadband shock-associated noise (BBSAN) in shock-containing supersonic jets. In the model presente…
Closed-loop control of forced turbulent jets
Igor A. Maia, Peter Jordan, André V. G. Cavalieri +2
Closed-loop control of turbulent flows is a challenging problem with important practical and fundamental implications. We perform closed-loop control of forced, turbulent jets base…