Journal of Aerospace System Engineering (항공우주시스템공학회지)

The Society for Aerospace System Engineering (항공우주시스템공학회)
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Fairing Design of Commercial Vehicles for Drag Force Reduction

항력 저감을 위한 지상차량용 페어링 형상설계

  • Lee, Yonggyu (School of Mechanical Engineering, Kunsan National University) ;
  • Park, Hyunbum (School of Mechanical Engineering, Kunsan National University)
  • 이용규 (군산대학교 기계공학부) ;
  • 박현범 (군산대학교 기계공학부)
  • Received : 2022.02.19
  • Accepted : 2022.04.19
  • Published : 2022.04.30
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Abstract

A cab roof fairing is a device that reduces the drag coefficient of a commercial vehicle, by controlling the resistance of flow separation occurring in the front when the commercial vehicle travels. Commercial vehicles are designed to facilitate aerodynamic resistance that cannot be avoided from the driving direction of the vehicle, because they must structurally load containers in the rear. For this reason, it is closely related to oil costs and environmental pollutants. In this study, the 3D fairing shape was designed based on the Rankine half body theory, and the design results were verified through aerodynamic analysis.

캡 루프 페어링은 상용차가 주행 시 전면부에서 발생하는 유동 박리의 저항을 제어하여 상용차 항력 계수를 줄이는 장치이다. 상용차는 구조적으로 후방의 컨테이너를 적재해야 되기 때문에 차량의 주행방향으로부터 공기역학적 저항력을 피할 수 없게 설계되어 있다. 이러한 이유 때문에 유류비, 환경오염물질과 밀접한 연관을 가진다. 본 연구에서는 랭킨 반체 이론을 바탕으로 3D 페어링 형상을 설계하고 공력 해석을 통해 설계 결과를 검증하였다.

Keywords

Acknowledgement

이 논문은 2018년도 정부(교육부)의 재원으로 한국연구재단의 지원을 받아 수행된 기초연구사업임(No. 2018R1D1A1B07043553)

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