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How to measure diesel exhaust particulate matters and collect samples?


Date: 25 Dec 2015   Posted By: vishwajit patil     Group: Science and Technology    Category: Technology   

How we can measure Particulate matter emission and exhaust mass flow rate from diesel engine exhaust manually/ analytically or by sample collection, if we are not having any direct measurement instruments/equipments?

I would also like to know how can we collect the samples of engine exhaust to measure particulate matter from the diesel engine.


Eager to know the method to measure diesel exhaust particulate matters? Want to know the method to collect samples of engine exhaust? Get information from our tech experts.


Author: [Anonymous]    06 Jan 2016      Member Level: Silver     Points : 3  (Rs 3)    Voting Score: 0

In collecting methods, particles are first deposited on a sampling filter and then analyzed. Under most emission regulations, PM emissions are determined through gravimetric analysis of the collected particulates. A number of changes and refinements have been introduced to the regulatory measurement protocols to improve the accuracy of the gravimetric analysis and enable its application to low emission diesel engines. For research and non-regulatory purposes, the sample of collected particulates can be also analyzed using thermal mass analysis (e.g., coulometric analysis) and a number of other methods to determine particulate composition, surface area and other parameters




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