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列车阻力公式是编制列车运行时刻表、设计机车和分析能源消耗的主要根据。它还影响到电气化铁路的接触架空导线和供电设备的配置。本文对西德联邦铁路、法国国家铁路、美国铁路公司、巴西联邦铁路和印度国家铁路所应用的列车阻力公式和机车粘着系数公式进行了比较。对于平均值偏差的离散度,运行阻力随列车种类的不同在±5.30％和±10％之间,曲线阻力公式的离散度为±25％,而加速阻力的离散度仅为±2％。
The train resistance formula is the main basis for compiling train schedules, designing locomotives and analyzing energy consumption. It also affects the configuration of the overhead lines and power supply equipment exposed to the electrified railway. This paper compares the train resistance formula and locomotive adhesion coefficient formula used by the West German Federal Railways, the French National Railways, the American Railways, the Brazilian Federal Railways and the Indian National Railways. For average deviation dispersion, operating resistance varies between ± 5.30% and ± 10% depending on the type of train, the dispersion of the curve resistance formula is ± 25%, and the dispersion of the acceleration resistance is only ± 2%.