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Experimental study of the effect of a cavity on boundary layer transition

Grant number: 19/15366-7
Support Opportunities:Regular Research Grants
Duration: May 01, 2020 - October 31, 2023
Field of knowledge:Engineering - Aerospace Engineering - Aerodynamics
Principal Investigator:Marcello Augusto Faraco de Medeiros
Grantee:Marcello Augusto Faraco de Medeiros
Host Institution: Escola de Engenharia de São Carlos (EESC). Universidade de São Paulo (USP). São Carlos , SP, Brazil


This research proposal contemplates the experimental study of the effect of small surface irregularities on the transition from a laminar to turbulent boundary layer. The correct forecast of this transition is of great importance for the reduction of drag in an aerodynamic project and consequently leads to the reduction of aircraft fuel consumption and the reduction of pollutant gases emission. This experimental study will use a wind tunnel specially designed for experiments of transition in the boundary layer. Measurements will include hot wire anemometry, surface pressure fluctuation measurements with microphones and PIV (Particle Image Velocimetry). The research theme contemplates important phenomena for the technological development and later for the competitiveness of certain industrial segments, such as the aeronautical industry. The requested budget resources aim to improve and adapt the infrastructure available to the research group, to allow the improvement of the experiments contemplated in this study. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
MATHIAS, MARLON SPROESSER; FARACO DE MEDEIROS, MARCELLO AUGUSTO. Optimal computational parameters for maximum accuracy and minimum cost of Arnoldi-based time-stepping methods for flow global stability analysis. THEORETICAL AND COMPUTATIONAL FLUID DYNAMICS, v. 36, n. 6, p. 24-pg., . (17/23622-8, 18/04584-0, 19/15366-7, 13/07375-0)
AMARAL, F. R.; SERRANO RICO, J. C.; BRESCI, C. S.; BERALDO, M. M.; VICTORINO, V. B.; GENNARO, E. M.; MEDEIROS, M. A. F.. The low acoustic noise and turbulence wind tunnel of the University of Sao Paulo. AERONAUTICAL JOURNAL, . (19/15366-7, 06/52568-7)

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