排气取样袋法 [环境] exhaust method of sampling pocket
定容稀释排气取样单元 CVS ; constant volume sampler
汽车排气取样 sampling of auto exhaust
排气直接取样法 [环境] exhaust method of direct sampling
本文设计了一种测量车用柴油机排气微粒的分流式稀释取样系统并制出了实验样品。
A partial flow dilution sampling and measuring system for automotive diesel engine exhaust particulates was designed and a prototype was manufactured.
研究分析表明：尾气采样探头伸入排气尾管的长度及取样点前的测量管路密封性是保证测量结果正确性的主要因素。
The result shows that the length of the sampling pipe inserted into the vent-pipe and the vent-pipe's airproof are the key factors for the correct exhaust emissions results.
研制了一种在发动机台架上进行柴油机变工况下排气微粒测量的测试系统。该系统主要由普通测功机和微粒稀释取样袋等组成。
A system for measuring exhaust particulates from an automotive diesel engine under transient operating conditions was developed, which includes a conventional dynamometer and a dilution sampling bag.
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