【摘要】 分析了车辆滚动阻力系数的影响因素，论述了车辆行驶速度对滚阻力系数的影响。依据车辆行驶的功率平衡原理，提出了滚动阻力系数的测试方法及测试时应注意的问题。并对实车测试值与经验公式估算值进行了比较。更多还原

【Abstract】 Factors influencing motor vehicle rolling resistance coefficient are analyzed and effect of vehicle driving speed upon the cofficient is expounded. Method of measurement and test of the coefficient and problems to be noticed are brought forward according to power balancing principle of vehicle driving. Also comparison is made between the test result for substantiul vehicle and estimated value by empirical formula.更多还原