IC693CPU311RR/IC693CPU311LT

IC693CPU311RR/IC693CPU311LT

IC693CPU311RR/IC693CPU311LT

IC693CPU311RR/IC693CPU311LT

齿轮转动图可以看出，功率并没有变（不计传动损耗），而转速被降低了。根据功率=扭矩×转速（*常数），轮端的转速被降了多少倍，轮端的扭矩就会提升多少倍——这就是所谓的“轮上扭矩”。 

e,功率和扭矩、角速度的关系：功率P=扭矩T×角速度ω

因为功率P = 功W÷ 时间t，功W = 力F × 距离s，所以P = F×s/t = F×线速度v。这里的v是线速度，而在引擎里，曲轴的线速度v = 曲轴的角速度ω×曲轴半径r；

代入上式得：功率P=力F×半径r×角速度ω；而力F × 半径r=扭矩，故得出：功率P=扭矩×角速度ω。所以引擎的功率能从扭矩和转速中算出来。

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DATA GENERAL VSC/3I BLADE VSC-3I 005039452