Titlebook: Advances in Turbulence; Selected Papers from Henry França Meier,Amir Antônio Martins de Oliveir Book 2023 The Editor(s) (if applicable) and

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Numerical Investigation of the Flow-Induced Noise in a Turbulent Flow Inside an HVAC Ductavior and noise production at a high Reynolds number internal flow are analyzed in a heating ventilation air conditioning (HVAC) system. In order to develop the present analysis and to find the most accurate approach for this application, we evaluated different advective discretization schemes in th

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Simex Implementation on a DNS Codetemporal integration method of the implicit–explicit kind, the Stepwise-IMEX or SIMEX, in the Aeroacoustics, Transition and Turbulence Group’s (GATT) Direct Numerical Simulation (DNS) code. In simulations where ., or less, SIMEX should be able to reduce the explicit fourth-order Runge–Kutta’s (ERK)

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Investigation of Transient Regime in Laminar Separation Bubble Formationld. The investigated scenario aims at studying the flow in multiple stage turbines, where the wake of airfoils in previous compression stages induces periodic variation of turbulence level in the subsequent airfoils. This can lead to periodic removal and formation of LSB. This process is simulated h

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Simulation of Laminar-To-Turbulent Transitional Flow Over Airfoilsnction of the angle of attack. The interest in this profile is its application in operational current turbines, such as SeaGen, which can harness the kinetic energy of the currents of rivers and seas. A two-dimensional model was used to simulate the airfoil with a chord of 0.23 m. The Reynolds numbe

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Tollmien-Schlichting Waves Artificially Inserted in Boundary Layer by Harmonic Point Sourceius boundary layer over a flat plate. A small hole of 0.80 mm diameter is responsible to introduce a blowing and suction flow inside the boundary layer induced by an embedded loudspeaker. The model employed consists of a plexiglass plate with an 1800 mm chord, 1000 mm span, and 10 mm thickness, vert

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Estimation of the Energy Dissipation Rate in a Stirred Tank by 2D PIV Measurementsimpellers, and the number and type of baffles are often associated with their application. Thus, the experimental investigation of these parameters in the turbulent flow is crucial for the control and optimization of this equipment. Particle Image Velocimetry (PIV) is a non-intrusive and quantitativ