Scholarship 23/08768-7 - Aeroacústica, Dinâmica dos fluidos computacional - BV FAPESP
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High-fidelity simulations of rotor configurations: Analysis of unsteady aerodynamics and aeroacoustics

Grant number: 23/08768-7
Support Opportunities:Scholarships in Brazil - Post-Doctoral
Start date: September 01, 2023
End date: January 31, 2025
Field of knowledge:Engineering - Aerospace Engineering - Aerodynamics
Principal Investigator:William Roberto Wolf
Grantee:Bernardo Luiz Rocha Ribeiro
Host Institution: Faculdade de Engenharia Mecânica (FEM). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Associated research grant:21/06448-0 - High-fidelity numerical simulations applied in unsteady aerodynamics, turbulence and aeroacoustics, AP.JP2
Associated research grant(s):25/02968-0 - 4th Colloquium on Vortex Dominated Flows - DisCoVor 2025, AR.EXT
Associated scholarship(s):24/12707-6 - Reynolds number effects on the unsteady aerodynamics and aeroacoustics of static and rotating blades, BE.EP.PD

Abstract

In recent years, the automotive and aeronautical industries have fostered the research and development of aircraft with distributed electric propulsion involving multiple rotors. This class of vehicles is also known as electric Vertical Takeoff and Landing (eVTOL) aircraft and has two main applications: i) urban mobility, where eVTOLs are used to transport people autonomously or with pilots, and ii) delivery of goods in the last stage of the logistics of retail companies to the final consumer. Both applications can be seen as technologies that will have a significant impact in the urban environment of the future. In this context, the study of the unsteady aerodynamics and the subsequent aeroacoustic noise from eVTOL aircraft becomes a key issue for the urban environment since these vehicles will considerably increase the noise pollution in the cities. The noise generation from eVTOLs is associated with the unsteady flows over the multiple rotors and, in this work, we will investigate the aerodynamics and aeroacoustics of rotating lifting surfaces. For this, high-fidelity numerical simulations will be conducted to resolve the energetic flow scales which correspond to the relevant noise sources.

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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)
RIBEIRO, BERNARDO LUIZ; DANTAS, CAYAN; WOLF, WILLIAM. Intermittency of a transitional airfoil flow with laminar separation bubble solved by the lattice-Boltzmann method. AEROSPACE SCIENCE AND TECHNOLOGY, v. 158, p. 15-pg., . (13/08293-7, 21/06448-0, 23/08768-7)
RIBEIRO, BERNARDO LUIZ R.; DANTAS, CAYAN A.; WOLF, WILLIAM R.. Assessment of Transitional Airfoil Flows through the Lattice-Boltzmann Method Part II: Finite Wing Effects. AIAA AVIATION FORUM AND ASCEND 2024, v. N/A, p. 11-pg., . (21/06448-0, 23/08768-7)
DANTAS, CAYAN A.; RIBEIRO, BERNARDO LUIZ R.; WOLF, WILLIAM R.. Assessment of Transitional Airfoil Flows through the Lattice-Boltzmann Method Part I: Spanwise Periodic Flows. AIAA AVIATION FORUM AND ASCEND 2024, v. N/A, p. 11-pg., . (13/08293-7, 21/06448-0, 23/08768-7)