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논문 기본 정보

자료유형
학술저널
저자정보
박원엽 (Dept. of Mechanical Engineering, Hankyong National University) 이홍주 (Dept. of Mechanical Engineering, Hankyong National University) 홍종호 (Dept. of Mechanical Engineering, Hankyong National University) 장영창 (Dept. of Biosystems Engineering, Konkuk University) 이상식 (Dept. of Bio-mechatronic Engineering Sungkyunkwan University) 이규승 (Dept. of Bio-mechatronic Engineering Sungkyunkwan University)
저널정보
한국농업기계학회 바이오시스템공학(구 한국농업기계학회지) 바이오시스템공학 제30권 제2호
발행연도
2005.1
수록면
69 - 74 (6page)

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초록· 키워드

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This study was carried out to investigate experimentally the effect of the ground condition and tire inflation pressure on rolling characteristics of towed wheel, including the deformation, sinkage, effective rolling radius and motion resistance of tire. The experiment was performed at soil bin for the three levels of off-road conditions(ground-I, ground-II and ground-III) and a on-road condition(ground-IV), and for the four levels of tire inflation pressure which were 80 kPa, 160 kPa, 240 kPa and 320 kPa. The results of this study are summarized as follows: 1. As the tire inflation pressure of towed wheel increased, the tire deformation decreased exponentially, but the tire sinkage increased exponentially. This trend was getting bigger as ground condition was getting softer. 2. The increase of tire inflation pressure increased the effective rolling radius of towed wheel, and this kind of trend occurred greatly as ground condition was soft. As a result, the effective rolling radius for the off-road condition was always larger than that for on-road condition. 3. For the on-road condition, as the tire inflation pressure of towed wheel increased, the motion resistance decreased, but for the off-road condition, augmentation of tire inflation pressure increased the motion resistance. Also, the effect of inflation pressure on motion resistance appeared great as ground condition was soft. Therefore, in order to improve the tire performance by the control of inflation pressure, it is desirable to reduce the tire inflation pressure for off-road condition and to increase the tire inflation pressure for on-road condition.

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