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After-Treatment Systems to Meet China NS VI, India BS VI Regulation Limits
ISSN: 0148-7191, e-ISSN: 2688-3627
Published March 28, 2017 by SAE International in United States
This content contains downloadable datasetsAnnotation ability available
Future emissions regulations proposed for the Asian automotive industry (BS VI regulations for India and NS VI regulations for China) are strict and similar to EU VI regulations. As a result, they will require both advanced NOx control as well as advanced Particulate Matter (PM) control. This will drive implementation of full Catalyzed Diesel Particulate Filter (cDPF) and simultaneous NOx control using Selective Catalytic Reduction (SCR) technologies. In this work, we present the performance of various Diesel Oxidation Catalyst (DOC), cDPF, SCR and Ammonia slip catalyst (ASC) systems utilizing the World Harmonized Transient Cycle (WHTC). Aftertreatment Systems (ATS) required for both active and passive filter regeneration applications will be discussed. The sensitivity of key design parameters like catalyst technology, PGM loading, catalyst sizing to meet the regulation limits has been investigated. The impact of operating conditions like cycle temperature and urea dosing strategy on the overall performance has also been studied. Model simulations and experimental validations along with thermal management studies have been conducted to propose a suitable ATS for India BS VI and China NS VI applications.
CitationYang, L., Sukumar, B., Naseri, M., Markatou, P. et al., "After-Treatment Systems to Meet China NS VI, India BS VI Regulation Limits," SAE Technical Paper 2017-01-0941, 2017, https://doi.org/10.4271/2017-01-0941.
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