Statistical Approach to Diesel Aftertreatment Accelerated Aging Performance Correlation to In-Use Population

Ahari, Homayoun; Phillips, John S.; Pauly, Thomas

doi:10.1007/s40825-020-00180-0

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Cited by 4 publications

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“…The TWC's thermal aging model is established using the Arrhenius equation [ 7 , 29 ], which has been detailedly introduced in our previous study [ 27 ]. A “relative TWC lifespan” concept which has been defined in Ref.…”

Section: Methodsmentioning

confidence: 99%

Decelerating catalyst aging of natural gas engines using organic Rankine cycle under road conditions

Wang,

et al. 2024

Heliyon

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Section: Methodsmentioning

confidence: 99%

Decelerating catalyst aging of natural gas engines using organic Rankine cycle under road conditions

Wang,

et al. 2024

Heliyon

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Alleviating the thermal aging of three-way catalyst applied to natural gas engine based on organic Rankine cycle

Wang

et al. 2023

Applied Thermal Engineering

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Diesel Engine Emission Aftertreatment Device Aging Mechanism and Durability Assessment Methods: A Review

Tian

Qian

et al. 2023

Atmosphere

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To meet more and more stringent emission standards, the combined technologies must be used to purify the emission pollutants of vehicle exhaust. Among them, the aftertreatment devices, including DOC, SCR, DPF, and so on, are the most efficient methods. However, after long-term running, the performance of the aftertreatment devices will inevitably degrade. There are several mechanisms that can be used to explain the aging phenomena. For the catalytic devices, such as DOC and SCR, thermal aging and poisoning aging are the most important reasons for their performance deterioration. As for DPF, ash clogging is a key problem for its stable working. To develop and test aftertreatment devices better and faster, the accelerated aging methods must be researched and applied. The small-sample aging method enables accelerated aging of catalyst samples at a very low cost, but its aging accuracy may not be good enough. Although the results of the whole-vehicle aging method and bench engine aging method are more in accord with the real using course, they take too much time and are too expensive to be used widely. Burner aging is a promising way to simulate the long-term running of the catalysts.

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Statistical Approach to Diesel Aftertreatment Accelerated Aging Performance Correlation to In-Use Population

Cited by 4 publications

References 10 publications

Decelerating catalyst aging of natural gas engines using organic Rankine cycle under road conditions

Decelerating catalyst aging of natural gas engines using organic Rankine cycle under road conditions

Alleviating the thermal aging of three-way catalyst applied to natural gas engine based on organic Rankine cycle

Diesel Engine Emission Aftertreatment Device Aging Mechanism and Durability Assessment Methods: A Review

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