Eventos Anais de eventos
COBEM 2017
24th ABCM International Congress of Mechanical Engineering
NUMERICAL AND EXPERIMENTAL ANALYSIS FOR PERFORMANCE IMPROVEMENT OF THE ADMISSION RESTRICTOR FOR A FORMULA-SAE VEHICLE
Submission Author:
ALVARO ROCHA , PB
Co-Authors:
Emerson da Trindade Marcelino, Luan Correia, Raimundo Duarte, ALVARO ROCHA
Presenter: ALVARO ROCHA
doi://10.26678/ABCM.COBEM2017.COB17-0764
Abstract
The use of Venturi restrictors in intake manifolds is an SAE requirement for all formula-type competition vehicles. The main purpose of the restrictor is to reduce the mass flow delivered to the motor, the power developed, thus increasing the competitiveness among the student teams. The objective of this research is the optimization of the geometry of a venturi type restrictor in order to allow the admission of maximum airflow to the motor. The establishment of the maximum air flow as a fixed parameter allows the elaboration of a geometry capable of providing a minimum pressure difference between the atmosphere and the pressure created in the combustion chamber for varying engine speed regimes. Through numerical analysis in a CFD environment with experimental verification, was developed a geometry capable of meeting the minimum requirements of the motor, being composed, respectively, by convergent and divergent angles of 18 degrees and 6 degrees.
Keywords
Admission system, Optimization, CFD analysis, experimental analysis, Formula SAE
