On the Drag Reduction Optimization of the DrivAer Fastback Model Car with Digital Side Mirror
學年 109
學期 2
出版（發表）日期 2021-04-30
作品名稱 On the Drag Reduction Optimization of the DrivAer Fastback Model Car with Digital Side Mirror
作品名稱（其他語言）
著者 I-Ying Chiang; Tung Wan
單位
出版者
著錄名稱、卷期、頁數 SAE International Journal of Passenger Cars—Mechanical Systems 14(1)
摘要 The traditional side mirrors on automobile could create substantial part of drag in the total car aerodynamic design consideration. On some concept cars, digital side mirrors have been installed which are aiming to reduce the total drag, thus the optimization study of digital side mirrors configuration becomes an important task. In this study the benchmark DrivAer fastback model is employed for optimization work of digital side mirrors via computation fluid dynamics software, and simulated with realistic moving ground and rotating wheel conditions. In order to validate the lift and drag coefficients with existing experimental data, the wheel rotation is implemented by three different kinds of rotating methods: Moving Wall, Multiple Reference Frame and Sliding Mesh, while the Sliding Mesh method provides the most accurate results. For optimization work, a concept of digital side mirror configuration is created, and the objective is aiming the best drag reduction via various installation positions by using the surrogate method which is based on Kriging model. The results show for the best achieved side mirror location, it is observed that a positive effect of drag reduction from increasing the intensity of some specific vortices, and its wake region can be weaker than the original configuration.
關鍵字 DrivAer Model;Drag Reduction;Digital Side Mirror;Kriging Model
語言 en_US
ISSN 1946-3995
期刊性質 國外
收錄於 EI ESCI
產學合作
通訊作者 I-Ying Chiang
審稿制度 否
國別 TWN
公開徵稿
出版型式 ,電子版
相關連結

機構典藏連結 ( http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/120830 )

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