자동차 경량화를 위한 천연 섬유소재의 대체 가능성에 관한 연구


Study on the Substitution of Natural Fiber Material for Lightweight Vehicles

주연진, 권영철

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In the present paper, the natural fiber materials that can be replaced to reduce the weight of the vehicle are analyzed by bubble charts of - and - , and the possibility of alternative application of materials is investigated. For this purpose, the driving energy and fuel efficiency of the vehicle using the data of K model analyzed. In addition, the effect of vehicle weight on fuel efficiency was analyzed through the dynamic analysis approach of the vehicle. From the research results, the following results were obtained. Most of natural fibers have lower density and equal tensile strength and strain than metal materials. Therefore, the application rate of natural fiber materials should be increased in consideration of the application purpose and material characteristics of the vehicle. The major variables that greatly influence driving energy and fuel efficiency were fuel efficiency improvement of about 10% in order of speed, rolling resistance and mass. In addition, when steel is lightened by 10%, fuel efficiency improvement of up to maximum 4.5% is shown in the order of CFRP, Al, Ti.


1. 서론
2. 자동차 소재 특성 및 동역학적 해석
2.1 자동차 부위별 적용 소재
2.2 독역학적 해석
3. 결과
3.1 천연 섬유소재의 비강성 설계제한
3.2 주행 중 자동차의 동역학적 관점
3.3 소재 변경에 따른 연비 항상
4. 결론


  • 주연진 Yeon-JIn Ju. Team leader, Sejong Regional Skills Council
  • 권영철 Young-Chul Kwon. Dep. of Mech. Eng., Sunmoon University


자료제공 : 네이버학술정보

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