Influence of rear-roof spoiler on the aerodynamic performance of hatchback vehicle
Rear-roof spoiler is commonly used for improving the aerodynamic performance of road vehicles. This study aims to investigate the effect of strip-type rear-roof spoiler on the aerodynamic performance of hatchback vehicles. The main parameter of study was the inclination angle of the spoiler. A compu...
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| Format: | Conference or Workshop Item |
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EDP Sciences
2016
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| _version_ | 1796861990897975296 |
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| author | Cheng, S. -Y. Mansor, S. |
| author_facet | Cheng, S. -Y. Mansor, S. |
| author_sort | Cheng, S. -Y. |
| collection | ePrints |
| description | Rear-roof spoiler is commonly used for improving the aerodynamic performance of road vehicles. This study aims to investigate the effect of strip-type rear-roof spoiler on the aerodynamic performance of hatchback vehicles. The main parameter of study was the inclination angle of the spoiler. A computational fluid dynamics (CFD) method was used. The numerically obtained results were compared to the experimental data for validation of the CFD method. The spoiler effectively reduced the aerodynamic lift at positive inclination angle by causing the surface pressure near the roof-spoiler junction to increase. However, its effect is unfavourable when configured at negative angle due to the downward accelerating flow that causes the surface pressure around the roof-spoiler junction to drop. Although the aerodynamic lift was found to decrease with the spoiler angle, this was accompanied by drag increment. |
| first_indexed | 2024-03-05T20:04:47Z |
| format | Conference or Workshop Item |
| id | utm.eprints-72925 |
| institution | Universiti Teknologi Malaysia - ePrints |
| last_indexed | 2024-03-05T20:04:47Z |
| publishDate | 2016 |
| publisher | EDP Sciences |
| record_format | dspace |
| spelling | utm.eprints-729252017-11-20T08:33:48Z http://eprints.utm.my/72925/ Influence of rear-roof spoiler on the aerodynamic performance of hatchback vehicle Cheng, S. -Y. Mansor, S. TL Motor vehicles. Aeronautics. Astronautics Rear-roof spoiler is commonly used for improving the aerodynamic performance of road vehicles. This study aims to investigate the effect of strip-type rear-roof spoiler on the aerodynamic performance of hatchback vehicles. The main parameter of study was the inclination angle of the spoiler. A computational fluid dynamics (CFD) method was used. The numerically obtained results were compared to the experimental data for validation of the CFD method. The spoiler effectively reduced the aerodynamic lift at positive inclination angle by causing the surface pressure near the roof-spoiler junction to increase. However, its effect is unfavourable when configured at negative angle due to the downward accelerating flow that causes the surface pressure around the roof-spoiler junction to drop. Although the aerodynamic lift was found to decrease with the spoiler angle, this was accompanied by drag increment. EDP Sciences 2016 Conference or Workshop Item PeerReviewed Cheng, S. -Y. and Mansor, S. (2016) Influence of rear-roof spoiler on the aerodynamic performance of hatchback vehicle. In: 2nd International Conference on Automotive Innovation and Green Vehicle, AiGEV 2016, 2 August 2016 through 3 August 2016, Selangor; Malaysia. https://www.scopus.com/inward/record.uri?eid=2-s2.0-85008512333&doi=10.1051%2fmatecconf%2f20179001027&partnerID=40&md5=81f1b45f9d6c035f49c251d2894f07f0 |
| spellingShingle | TL Motor vehicles. Aeronautics. Astronautics Cheng, S. -Y. Mansor, S. Influence of rear-roof spoiler on the aerodynamic performance of hatchback vehicle |
| title | Influence of rear-roof spoiler on the aerodynamic performance of hatchback vehicle |
| title_full | Influence of rear-roof spoiler on the aerodynamic performance of hatchback vehicle |
| title_fullStr | Influence of rear-roof spoiler on the aerodynamic performance of hatchback vehicle |
| title_full_unstemmed | Influence of rear-roof spoiler on the aerodynamic performance of hatchback vehicle |
| title_short | Influence of rear-roof spoiler on the aerodynamic performance of hatchback vehicle |
| title_sort | influence of rear roof spoiler on the aerodynamic performance of hatchback vehicle |
| topic | TL Motor vehicles. Aeronautics. Astronautics |
| work_keys_str_mv | AT chengsy influenceofrearroofspoilerontheaerodynamicperformanceofhatchbackvehicle AT mansors influenceofrearroofspoilerontheaerodynamicperformanceofhatchbackvehicle |