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논문 기본 정보

자료유형
학술저널
저자정보
김민호 (현대자동차)
저널정보
한국자동차공학회 한국자동차공학회논문집 한국자동차공학회논문집 제28권 제1호
발행연도
2020.1
수록면
19 - 26 (8page)
DOI
10.7467/KSAE.2020.28.1.019

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초록· 키워드

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The current trend in the ground transportation industry indicates an increased interest in replacing mirrors with camera monitor systems(CMS) to increase fuel efficiency and to improve visibility of the surrounding environment. The main purpose of CMS is to improve driver visibility in future vehicles with a more aerodynamic profile, especially during the night or under adverse weather conditions. Having a clear, unobstructed view of the vehicles and the road around you under these conditions is crucial. Heavy rain conditions can, however, result in rivulets of water flowing onto the camera lens. Once these rivulets and the pooling of water feed on the camera lens, they can significantly impair visual acuity. Having the ability to detect water management issues earlier in the design cycle is desirable to minimize the negative impact of water management features. A numerical simulation of CMS water management is highly desirable for this reason. This paper presents the application of a multiphase lattice Boltzmann CFD solver in addressing rain water management issues on a CMS of a large bus. The result of this study confirmed that the application of CMS showed a noticeable improvement in drag, and it had 8.4 % less drag at the angle of zero yaw. The key mechanism was the convergence of two rainwater streams from the bottom and outer surfaces, which generated rain water deposition at the camera lens. The parameter study showed that modified geometry resulted in different rivulet trajectories and significantly depleted rainwater deposition over the camera lens.

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Abstract
1. 서론
2. 해석
3. 항력 해석 결과
4. 우적 해석 결과
5. 결론
References

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