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仪器网/ 行业应用/ 解决方案/ 柴油纳米颗粒的实时测量

柴油纳米颗粒的实时测量

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During the last decade particulate matter emission regulation have mandated lower emissions.
Future regulations (e.g. EURO 5) will require even lower vehicle emissions. A large reduction in total
particulate mass will also create new problems in accurate measurement. Further the calibration of
engine maps to interface with soot trap optimisation will require transient data which is certainly beyond
current gravimetric procedures. Laser-Induced Incandescence is a technique capable of measuring
accurately and near instantaneously particulate matter mass and soot primary particle diameter. LII offers
as well the ability to operate in raw exhausts where hydrocarbon loading and vapours often affect other
instruments.
This poster presents the self-calibrated LII technique invented by the National Research Council, Canada
and currently under development in collaboration with Cranfield University. We present measurements
taken at Millbrook Proving Ground Emission Test Chamber on a Vauxhall Frontera® and a Dennis Dart®
bus following the Euro 4 cycle procedure and the Millbrook London Bus Transport Cycle Procedure. This
poster includes also a demonstration of real-time raw exhaust measurement between the exhaust and the
particulate trap of a London Bus and a comparison with instruments available within the test facility.
The 激光诱导白炽光(LII)烟气分析仪 德国LaVision PIV/PLIF粒子成像测速场仪 PLIF平面激光诱导荧光火焰燃烧检测系统
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