Digital Signal Processing

Control of urea SCR systems for US diesel motor applications Michiel vanguard Nieuwstadt Devesh Upadhyay E-COSM09- IFP, Paris, France carbamide SCR applications in the US E-COSM09 contents 1. SCR ornament in the US 2. SCR basics system and chemistry 3. Issues in bear 1. ammonium hydroxide stock control 2. Ammonia storage observers 4. NOx sensors 5. Outlook carbamide SCR applications in the US E-COSM09 1. SCR landscape in the US US diesel powertrains use generally SCR for NOx aftertreatment: LNT does not work well for the high temperature doughy duty bicycle LNT struggle to reach the high required conversion efficiencies (>80%) LNT applications: VW Jetta (T2B5), imposture Ram (T2B8) SCR: 2009: Mercedes GL320, T2B5, 3.0l V6 BMW 335d, T2B5, 3.0l I6, twin turbo BMW X5 xDrive, 3.0l I6, twin turbo Audi Q7, 3.0l V6 2010: get over F250, F350, F450, ULEV2, 6.7l V8 GM trucks, 2500, 3500, ULEV2, 6.6l V8 Chrysler/ besiege/Cummins trucks, ULEV2, 6.7l I6 carbamide SCR applications in the US E-COSM09  crossover F250 Superduty truck Urea SCR applications in the US E-COSM09 F350 vs Focus Urea SCR applications in the US E-COSM09 Ford F250 superduty Urea SCR applications in the US E-COSM09 Emissions standards US diesel standards are subject to a drastic drop-off in 2010 2013 will legislate a reduction in OBD threshold US emissions standards, EPA75 light duty, < 8500 lbs, Tier2 Bin5 light duty, < 8500 lbs, Tier2 Bin8 flagitious duty chassis cert, 8,500-10,000 lbs baleful duty chassis cert, 10,000-14,000 lbs heavy duty dyno cert, >14,000 lbs 2010 emissions 0.05 0.2 0.2 0.4 0.2 2013 emissions 0.05 0.2 0.2 0.4 0.2 OBD 0.125 0.5 0.6 0.6 0.6 OBD 0.0875 0.35 0.4 0.4 0.4 unit chiliad/ stat mi gramme/mile gram/mile gram/mile gram/bhphr future(a) event in US diesel emissions will be LEV 3 for chassis cert: Tier2 Bin2: 0.02 g/m NOx novel cycles: US06, SC03 No known changes in dyno certification standards. Urea SCR applic! ations in the US E-COSM09...If you want to get a full essay, coif it on our website: BestEssayCheap.com

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