外文翻译-探讨汽车轮胎滚动阻力以及测试技术.doc

外文翻译-探讨汽车轮胎滚动阻力以及测试技术.doc

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外文翻译-探讨汽车轮胎滚动阻力以及测试技术 Study of automobile tire rolling resistance and testing technology Human activities on the ecological damage to the environment has become a global problem, to reduce fuel consumption, reduce automobile exhaust emissions is energy conservation, prevention of air pollution in an important measure. Vehicle energy consumption is closely related with the tire rolling resistance. On cars or light trucks, the 3.4% ~ 6.6% of fuel consumption used to overcome rolling resistance tires; of loaded radial truck tire with the car example, 12.4% ~ 14.5% of fuel consumption to overcome the rolling resistance tires . Tire rolling resistance by 10%, fuel-efficient cars will be 1.2 percent, 4 percent savings trucks. To this end,the tire manufacturers have at home and abroad to develop new low-power tires to reduce rolling resistance, saving fuel. Automobile tires in the rolling process, the total vehicle rolling resistance accounts for about 20% of the resistance, if reduced by 10% per tire rolling resistance, lower 2% ~ 3% of fuel, then rolling resistance tires to enhance the level of control of vehicle contribution to fuel economy will be significant, but also in a wide range can be achieved. Therefore, how to effectively control the tire's rolling resistance is the industry facing a key issue. This article will explore the various angles and analysis as well as tire rolling resistance testing technology. I. Summary In the tire rolling process, the cycle of changes in the stress and strain lead to energy loss, the formation of tire rolling resistance, also known as the tire hysteresis energy loss. Studies have shown that to overcome tire rolling resistance on fuel consumption of the general accounting for the total fuel consumption of motor vehicles more than 10%. Reduce rolling resistance tires can reduce vehicle energy consumption, so that the car farther away from efficient. Tire rolling resistance is the overall energy consumption of material, equivale

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