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lun tai gun dong zu li xing neng
Author(s): 
Pages: 88-91
Year: Issue:  9
Journal: World Auto

Abstract: 随着车轮每一次转动,当轮胎与路面接触时,轮胎由于承重的原因会产生变形.随着轮胎结构的变形,其组成部件会变热,并且一部分由发动机传输来的能量损耗了:这就是滚动阻力现象. 根据试验测定,一辆轿车以100km/h速度行驶时,用于克服轮胎滚动阻力的燃油消耗约占汽车总油耗的20%;一辆载重汽车则可以达到30%或更高;轮胎滚动阻力每降低7%,便可使汽车燃油消耗降低1%,同时也可大幅降低CO2 排放量.
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