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2.117 喷油提前角((?)s)Injection advance angle 压缩过程中从开始喷油的瞬时(以喷油器针阀升起为标志)到活塞行至上止点时的曲轴转角(度)。2.118 烧烧持续期Duration of combustion 在气缸中从烧烧开始到终了的时间,用时间或曲轴转角表示(s,度)。2.119 滞烧期(τ_i) Combustion lagging period 在柴油机气缸内从开始喷油到开始着火的时间,用时间或曲轴转角表示(s,度)。2.120 显燃期Sensible combustion period
2.117 Injection advance angle The angle (in degrees) of the crankshaft during the compression process from the instant the injection is started (marked by the injector needle) to the piston line to the top dead center. 2.118 Duration of combustion Duration of combustion is expressed in terms of time or crank angle (s, degrees) in the cylinder from the start to the end of the combustion. 2.119 Time lag (τ_i) Combustion lagging period The time (in degrees Celsius) of the crankshaft in terms of time or crankshaft firing time in the cylinder of the diesel engine from the start of fuel injection to the start of ignition. 2.120 Expiration period Sensible combustion period