TRANSPORT|land transport · PRODUCTION, TECHNOLOGY AND RESEARCH|technology and technical regulations
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- constant-volume sampling | CVS
- en
- Definition exhaust-emissions measuring technique in which the exhaust gases produced by a vehicle's engine are collected as it is driven through a test sequence of accelerations, decelerations, and cruise modes on a Chassis dynamometer Reference "Motorera, Dictionary of Automotive Terms - 'Co'. http://www.motorera.com/dictionary/co.htm [18.3.2013]"
- Comment A quantity of air is added to the exhaust gases until a specific volume (the same for all cars) is obtained. Concentrations of pollutants in the total sample are then analyzed for determination of their actual mass.