지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2017.11
- 수록면
- 584 - 587 (4page)
이용수
초록· 키워드
오류제보하기
Frontal area of internal combustion engine powered vehicles is opened with the meshed grill to induct incoming air into the engine room for engine cooling. To the contrary the frontal panel of electric vehicles is closed by design and made up of single panel. But the closed frontal panel of electric vehicle would have considerable effect on the increment of aerodynamic resistance of the vehicle.
In this numerical study, the open and closed frontal panel of electric vehicle has been studied to see its effect on the aerodynamic resistance of the model vehicle. As aerodynamic drag has significant impact on the power consumption of electric vehicles especially at high speed, finding all possible ways to reduce aerodynamic drag has paramount importance to the development process of the vehicle.
From the study, it was found that the drag factor (CD*A) of the model vehicle with open panel grill is reduced about 4.7%, 6.1% and 7.23% than the closed grill vehicles when tested at different speed and with different opening area. It means that the total drag of the vehicle with the open panel grill is reduced and it should have seriously effect on the energy savings of the model electric vehicle or to extend the driving range with the same size of battery.
In this numerical study, the open and closed frontal panel of electric vehicle has been studied to see its effect on the aerodynamic resistance of the model vehicle. As aerodynamic drag has significant impact on the power consumption of electric vehicles especially at high speed, finding all possible ways to reduce aerodynamic drag has paramount importance to the development process of the vehicle.
From the study, it was found that the drag factor (CD*A) of the model vehicle with open panel grill is reduced about 4.7%, 6.1% and 7.23% than the closed grill vehicles when tested at different speed and with different opening area. It means that the total drag of the vehicle with the open panel grill is reduced and it should have seriously effect on the energy savings of the model electric vehicle or to extend the driving range with the same size of battery.
목차
Abstract
1. Introduction
2. Analytical theory
3. Numerical approach
4. Results and discussion
5. Conclusion and future work
References
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