COMPARISON OF AERODYNAMIC FORCES USING A RECOMMENDED AND A NON-RECOMMENDED LIFT SPOILER ON A PASSENGER CAR
Yazdani, M., Sumajaya, P., Arifin, M. (2012). COMPARISON OF AERODYNAMIC FORCES USING A RECOMMENDED AND A NON-RECOMMENDED LIFT SPOILER ON A PASSENGER CAR. EKB Journal Management System, 15(15th International Conference on Applied Mechanics and Mechanical Engineering.), 1-14. doi: 10.21608/amme.2012.35951
M. G. Yazdani; P. G. O. Sumajaya; M. N. Arifin. "COMPARISON OF AERODYNAMIC FORCES USING A RECOMMENDED AND A NON-RECOMMENDED LIFT SPOILER ON A PASSENGER CAR". EKB Journal Management System, 15, 15th International Conference on Applied Mechanics and Mechanical Engineering., 2012, 1-14. doi: 10.21608/amme.2012.35951
Yazdani, M., Sumajaya, P., Arifin, M. (2012). 'COMPARISON OF AERODYNAMIC FORCES USING A RECOMMENDED AND A NON-RECOMMENDED LIFT SPOILER ON A PASSENGER CAR', EKB Journal Management System, 15(15th International Conference on Applied Mechanics and Mechanical Engineering.), pp. 1-14. doi: 10.21608/amme.2012.35951
Yazdani, M., Sumajaya, P., Arifin, M. COMPARISON OF AERODYNAMIC FORCES USING A RECOMMENDED AND A NON-RECOMMENDED LIFT SPOILER ON A PASSENGER CAR. EKB Journal Management System, 2012; 15(15th International Conference on Applied Mechanics and Mechanical Engineering.): 1-14. doi: 10.21608/amme.2012.35951

COMPARISON OF AERODYNAMIC FORCES USING A RECOMMENDED AND A NON-RECOMMENDED LIFT SPOILER ON A PASSENGER CAR

The International Conference on Applied Mechanics and Mechanical Engineering
Article 1, Volume 15, 15th International Conference on Applied Mechanics and Mechanical Engineering., May 2012, Page 1-14  XML PDF (1003.48 K)
Document Type: Original Article
DOI: 10.21608/amme.2012.35951
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Authors
M. G. Yazdani1; P. G. O. Sumajaya2; M. N. Arifin2
1Senior Lecturer, Dept. of Mechanical Engineering, Institute Technology Brunei-University.
2Student, Dept. of Mechanical Engineering, Institute Technology Brunei-University.
Abstract
ABSTRACT
An attempt was made to compare the aerodynamic forces acting on Subaru WRX
STi version IV (SPC) with a recommended World Rally Championship (WRC) and a
non-recommended GT Wing Type-A (GTA) spoilers. The experiment was done with
the following combination, SPC, SPC+WRC (REC), and SPC+GTA (NRE). The
above experiments were carried out at a Reynolds Number (R) range of 2.19 x 104 to
10.94 x104 and an angle of attack () of 0° to 20°. The lift coefficient (CL), drag
coefficient (CD) and side force coefficient (CS) are computed from the measured data
From the analyzed data, it was found that, for REC. CL decreased in the almost all
the investigated ranges of  and R. The maximum decrease in CL is about 40% (at 
= 20°). On the other hand for NRE, CL increases for almost all the investigated
ranges of  and R. The maximum increase of CL is about 177%. At, 2.19 x
104R6.57 x 104, there is little or no changes in the value of CD for REC and SPC in
the investigated ranges of . It was found that value of CS for REC is less than that of
NRE in the investigated ranges of  and R.
Keywords
Aerodynamics; passenger car; lift spoiler; angle of attack; Reynolds’s number
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