Experimental analysis of the flow around Ahmed bodies in tandem position

• Grant number: 21/08399-6
• Support Opportunities: Scholarships in Brazil - Scientific Initiation
• Start date: September 01, 2021
• End date: August 31, 2022
• Field of knowledge: Engineering - Mechanical Engineering - Transport Phenomena
• Principal Investigator: Aluisio Viais Pantaleão
• Grantee: Gustavo Xavier Martins
• Host Institution: Faculdade de Engenharia (FEIS). Universidade Estadual Paulista (UNESP). Campus de Ilha Solteira. Ilha Solteira , SP, Brazil

Abstract

The use of experimental methods is very important for the automobile industry, taking into consideration that it is possible to analyze aerodynamic phenomena essential for its development. Since the second half of the XIX century, studies related to several engineering fields have been made in hydrodynamic tunnels, considering that, using this instrument, it gets easier to visualize phenomena associated with the automobile’s aerodynamics. Using the hydrodynamic tunnel and Ahmed bodies, the study can be performed to achieve performance improvements, energy economy, and other factors related to the automobile industry. Accordingly, this work has the proposal to establish an experimental methodology for the visualization of the flow in hydrodynamic tunnels, around two in-line Ahmed bodies (simulating convoy trucks). In this way, it is desired to investigate turbulent wake flow and its influence and effects on the automotive aerodynamics, due to different shapes and relative positioning of the bodies, aiming the implication of the drag reduction, which will mean a desired fuel consumption reduction to the automobiles. (AU)