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Better Air Quality (BAQ) - 2004

Better Air Quality (BAQ) - 2004. Potential of Diesel Engine Emission Reductions Dr Gerhard Ziegler & Dr Jochen Landes (MICO). Better Air Quality (BAQ) - 2004. Diesel Vehicle Production - By Regions and Applications. Mio. India. Mio. America. Rest of World w/o India. Western Europe.

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Better Air Quality (BAQ) - 2004

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  1. Better Air Quality (BAQ) - 2004 Potential of Diesel Engine Emission Reductions Dr Gerhard Ziegler & Dr Jochen Landes (MICO) MICO/NE-12-04

  2. Better Air Quality (BAQ) - 2004 Diesel Vehicle Production - By Regions and Applications Mio India Mio America Rest of World w/o India Western Europe Eastern Europe Japan Source : DS/MKT 182 1173 MICO/NE-12-04

  3. Development of Diesel Passenger Cars Better Air Quality (BAQ) - 2004 [%] 80 kW/l 200 Power 60 kW/l 150 Consumption 100 6 l/100km Increase consumption EGT 50 Emission (EU3) „EU5“ 1) NOX  0,08 g/km PM  0,0025g/km NOX  0,50g/km PM 0,05g/km 92 94 96 98 2000 04 06 08 90 10 1) Request Umweltbundesamt Data Source : DS/LE 1916_1 382 en MICO/NE-12-04

  4. Better Air Quality (BAQ) - 2004 Economic Advantage: Diesels are economical ! Diesel fuel consumption is about 33 % less than gasoline´s 33% MNEDC-test fuel consumption: passenger cars with at least Euro 3 certification MICO/NE-12-04

  5. Diesel Passenger Car Emission Legislation : EU, USA Better Air Quality (BAQ) - 2004 Data Source: DS/EMF2/B2651e.ppt MICO/NE-12-04

  6. Better Air Quality (BAQ) - 2004 Type Approval Data of PC with DI- Diesel - Certification with at least Euro 3 0.06 VP44 Euro 3 UIS 0.05 CRS 0.04 VP30 Competitors 0.03 Particulates [g/km] Euro 4 0.02 Euro 5 weak 0.01 Euro 5 severe 0.00 0.0 0.1 0.2 0.3 0.4 0.5 0.6 NO + HC [g/km] x MICO/NE-12-04 DS/P-CR4 391 Ra 0715e

  7. Trends in Engine Development - Diesel Combustion System Better Air Quality (BAQ) - 2004 • control system (ECU) • control concept • sensors • actuators • injection system • type • pressure • injection rate • nozzle design • air system • boost concept • egr concept • gas exchange • charge motion • exhaust gas system • boost concept • egr concept • gas exchange • (aftertreatment) • start system • glow concept • starter • cooling system • coolant • cooler concept • geometrical design • combustion chamber • compression ratio • swirl ratio • stroke/bore Data Source: DS/EMF2/B2651e.ppt MICO/NE-12-04

  8. Trends in Engine Development - Impact of Compression Ratio Reduction Better Air Quality (BAQ) - 2004 Full Load@4000rpm Part Load with optimised PI PZmax=150bar SZmax=2.4FSN T3max=780°C p2/p3=2290/2990mbar 2000rpm/IMEP=8.0bar p2/p3=1450/1550mbar CRP=900bar 1500rpm/IMEP=4.3bar p2/p3=1100/1180mbar CRP=700bar -10% +10% -65% Data Source: DS/EMF2/B2651e.ppt MICO/NE-12-04

  9. Impact of CRP and TC Parameter on Performance Better Air Quality (BAQ) - 2004 Vh500cc Pcyl.max=180bar HF=280 Data Source: DS/EMF2/B2651e.ppt MICO/NE-12-04

  10. Better Air Quality (BAQ) - 2004 Exhaust Gas Aftertreatment System for NOx and PM Reduction urea tank air reservoir air compressor dosing system pressure regulator control valve temperature pump sensor cleaned CAN bus exhaust gas exhaust gas temp. sensor dosing ECU exhaust gas valve sensor SCR: Selective Catalytic Reduction PM: Particulates NO + NO2 + 2NH3 2N2 + 3H2O Data Source: DS/EMF C 3263.00 e MICO/NE-12-04

  11. Better Air Quality (BAQ) - 2004 premixed premixed Diesel Combustion • Conventional Combustion • simultaneous process of fuel injection, mixture formation and combustion • fuel in heterogeneous condition • combustion process divided in: • premixed (ignition delay) • diffusion controlled • afterburning • Homogeneous Combustion • separation of fuel injection, mixture formation and combustion (spatial or chronological ) • fuel in gaseous condition • premixed combustion Data Source: DS/EMF B2115_1e MICO/NE-12-04

  12. Better Air Quality (BAQ) - 2004 2000rpm / IMEP=4bar 2000rpm / IMEP=6bar 2000rpm / IMEP=8bar 2000rpm / IMEP=10bar -65% -45% -75% -55% conv. Combustion with opt. PI pHCCI -89% -83% -95% -93% Data Source: DS/EMF2/B2651e.ppt MICO/NE-12-04

  13. Better Air Quality (BAQ) - 2004 Summary • Compared to petrol engines diesel engines fuel consumption is more than 30 % less. • MICO/BOSCH are providing high sophisticated diesel injection systems being essential for lowest raw emissions and fuel consumption values. • Even the most demanding emission limits can be achieved when adding exhaust gas aftertreatment systems like diesel particulate filters and DeNOx catalytic converters. • “Homogeneous diesel combustion” has an enormous emission reduction potential limiting the effort on exhaust gas aftertreatment in future MICO/NE-12-04

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