2023
DOI: 10.4271/2023-01-1602
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GT-Suite Modeling of Thermal Barrier Coatings in a Multi-Cylinder Turbocharged DISI Engine for Catalyst Light-Off Delay Improvement

Avinash Ravikumar,
Ankur Bhatt,
Brian Gainey
et al.

Abstract: <div class="section abstract"><div class="htmlview paragraph">Catalytic converters, which are commonly used for after-treatment in SI engines, exhibit poor performance at lower temperatures. This is one of the main reasons that tailpipe emissions drastically increase during cold-start periods. Thermal inertia of turbocharger casing prolongs the catalyst warm-up time. Exhaust enthalpy management becomes crucial for a turbocharged direct injection spark ignition (DISI) engine during cold-start period… Show more

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