With the trend in many automotive markets towards heavier vehicles with greater torque, non-tailpipe emissions are becoming a more prevalent source of emissions, in many cases dominating tailpipe pollution. Emissions Analytics’ BTAS© equipment allows for real-world measurement of emissions from tyres and brakes, compared to the atmospheric background (patent pending - UK Patent Application GB2210310.5).
BTAS is an integrated system for the real-time, on-road measurement of tyre and brake wear emissions separately from each other and from background concentrations. Measurements can be taken on every wheel of a vehicle, including the steering wheels. It is a combination of a physical sampling system, online measurements and offline testing and analysis. It also allows the collection of physical wear material for separate analysis.
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Wear rate and size distribution
Chemical composition
Measurements
The following measurements are available separately for tyre and brake wear:
Integrated mass loss
Real-time particle mass and number concentration, plus size distribution
Background pollution concentrations
Volatile organic compounds off-gassed
Chemical speciation of the original tyre and brake components, and wear functional group compound classification.
We can test to these additional standards.
With these measurements, a ‘contamination factor’ is derived using chemical fingerprinting, which estimates the proportion of non-tyre material collected in the tyre sampling rig, and the equivalent proportion of non-brake material from the brake sampling rig.
Emissions Analytics independently sources and tests tyres to support our clients market analysis and R&D. Measurements include tyre mass loss and tyre organic compound composition. The chemical profile is expressed according to functional groups together with a toxicity potential rating.
Hundreds of European and US market tyres available.
Results are available via a cloud-based database and also via Excel upon request.
More details are available here.
