Numerical study of aerodynamics of vortex generators in racing vehicles
Başlık çevirisi mevcut değil.
- Tez No: 401948
- Danışmanlar: DR. JUN XIA, PROF. THANOS MEGARITIS
- Tez Türü: Yüksek Lisans
- Konular: Elektrik ve Elektronik Mühendisliği, Ulaşım, Electrical and Electronics Engineering, Transportation
- Anahtar Kelimeler: Belirtilmemiş.
- Yıl: 2013
- Dil: İngilizce
- Üniversite: Brunel University London
- Enstitü: Yurtdışı Enstitü
- Ana Bilim Dalı: Belirtilmemiş.
- Bilim Dalı: Belirtilmemiş.
- Sayfa Sayısı: 57
Özet
Özet yok.
Özet (Çeviri)
Aerodynamics ha ve become key to success in the motorsport industry and racing teams spend tens of millions of dollars on research and development in the field each year. The aerodynamic designer has two primary concerns: the creation of downforce to help push the car's tyres onto track and improve cornering forces; and minimisingthe drag that gets caused by turbulence and acts to s!ow the car down. Since the late 1960, numerous scientist have investigated the performance of aerodynamic devices associated vvith the race cars, in particular open wheel cars. These studies were re-sulted in greater advantages in understanding how to use aerodynamic devices in racing vehicles. Two of these aerodynamic devices are vortex generators and gurney flaps and used in race cars as well as İn aeroplanes. In this study, the main aim is to understand the aerodynamics of the vortex generators by a numerical study. In order to obtain confident outcomes, the vortex generators have been tested by means of Computational Fluid Dynamics and the results have been compared wilh previous studies. In addition to understanding aerodynamics of the vortex generators that, another aerodynamic device, the gurney flap, have been investigated with the same method. The aim is to check if it can beneflt for the aerodynamic performance of the inverted wing. Both of the aerodynamic devices are mounted on the same inverted wing due to secure a comparabte result. The methodology that is foIIowed in this study includes similar configurations and solving models vvith the particular previous work. The achievements are considered accordingto four difTerent assessments (Dovvnload, flow separation, pressure dİstribution and flow visu-alisation assessment) that are aimed İn the early stages of the project. In terms of four assessments, this study managed to achieve acceptable performance gains from the vortex generator that is İnvestigated. These achievements such as more downforce and delayed flow separation show the simüar trend with previous work and they are ex-plaîned in Results section. On the other hand, it is found from simulations that, there is no benefits to use gurney flap on the inverted wing with the configuration used here. The poten-tial ways of getting more benefits from the vortex generator, the possible reasons cause unusual results are provided in Discussion section.
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