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汽油车加油过程油气蒸发损失试验方法

, PP. 57-61

Keywords: 汽车工程,加油过程,汽油蒸发量,车载油气回收系统,试验方法

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Abstract:

分析了汽车加油过程中汽油蒸汽排放量测量的试验方法,设计了一套用于检测加油过程汽油蒸汽排放的收集设备,介绍了设备的基本组成和工作原理,在平均温度为25℃和雷德蒸汽压为62kPa的条件下进行了3组试验,测量了汽油车加油过程中的油气蒸发量。试验结果表明安装活性炭罐但未安装车载油气回收系统(ORVR)的检测系统,能够减少15.7%的加油过程排放;而当同时安装活性炭罐和ORVR后,能够减少93.9%的加油过程排放。

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