Browse Publications Technical Papers 2006-01-1062
2006-04-03

Backpressure Characteristics of Modern Three-way Catalysts, Benefit on Engine Performance 2006-01-1062

The paper is aimed at investigating backpressure and backpressure variation of three way catalysts (TWC). Results presented show that backpressure variation is influenced by measurement error, substrate dimensional variation, and washcoat thickness. A broad range of anticipated washcoat differences between coaters is also considered. Results provided shows that Delphi high-flow FlexMetal catalyst achieves optimum emissions control with up to 40% less backpressure, leading to 5% additional torque on a 3.2 L engine.

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