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一、概述国际铁路联盟(UIC)对柴油机额定功率(即名牌上标定的功率)所下的定义为柴油机在标准大气条件(气压、气温、湿度)下发出的保证柴油机有足够长的大修周期的最大持续功率。大气条件的变化直接影响柴油机的进气密度,因而使柴油机的燃烧过程发生变化。所以大气条件是影响柴油机输出功率的外部因素。当柴油机在高海拔(低气压)或高气温地
I. Overview The International Union of Railways (UIC) defines the rated power of a diesel engine (that is, the nominal power on a brand name) as defined under standard atmospheric conditions (air pressure, temperature and humidity) to ensure that the diesel engine has a long overhaul cycle Maximum continuous power. Changes in atmospheric conditions directly affect the intake density of the diesel engine, thus changing the combustion process of the diesel engine. Therefore, atmospheric conditions affect the output power of diesel engine external factors. When the diesel engine is at high altitude (low pressure) or high temperature