Effect of Rear Spoiler Shape on Car Aerodynamics and Stability

First published in
Lecture notes in networks and systems  
Number in series
128 LNNS
Start Page
340
End Page
347
Citation
Lecture Notes in Networks and Systems 128: 340-347 (2020)
Contribution to Conference
International Conference “New Technologies, Development and Applications” NT 2020  
Publisher DOI
10.1007/978-3-030-46817-0_39
Scopus ID
2-s2.0-85085178856
Publisher
Springer
ISBN
978-3-030-46817-0
978-3-030-46816-3
Computational dynamics is widely used when designing cars in order to obtain the optimum design and reduce the time and costs. Car design plays the main key in decision on purchasing the car. Car manufacturers have a very difficult task which is build a car that will be attracted potential buyers with its design, which does not deteriorate the car’s aerodynamics or has the stability at high level of speeds. In order to enhance the car’s stability, it’s necessary to add the rear spoilers to the car body. This paper presents deep study for effects of fitting different types of rear spoilers on the car’s aerodynamics and stability. Determination of corresponding aerodynamic drag and lift coefficients was performed using ANSYS software 14.5/Fluid Flow CFX module. It was found that the aerodynamic drag coefficient increased slightly with (3.4%) when fixed the rear spoilers, but a considerable reduction of the aerodynamic lift coefficient value (around 32%).
Subjects
Car aerodynamics
Car stability
Drag coefficient
Lift coefficient
Rear spoiler
DDC Class
600: Technik