13th International CTI Conference

SCR Systems

International SCR conference with parallel sessions concerning Off-Highway CTI - Car Training Institute ConferenceJuly 6 and 7, 2017, Stuttgart

Program

Thursday | 6th July 2017

9.00 – 9.30
RECEPTION – COFFEE AND TEA IN THE EXHIBITION AREA
Bring plenty of business cards and find out who is who right from the start

9.30 – 9.45
Welcome address by the CTI and opening of the conference by the chairman
Prof. Dr-Ing. Werner Müller,
Former Professor at the International Combustion Engines Department, Technical University of Kaiserslautern

INTERNATIONAL LEGISLATION

9.45 – 10.15
Future standards in CO2 – and emission legislation

  • CO2 legislation for cars post 2020?
  • Introduction of worldwide harmonised light vehicles test procedure (WLTP) and real driving emissions (RDE)
  • Durability requirements (ISC)

Helge Jahn, Department I 3.2 Pollutant Reduction and Energy Saving in Traffic, German Environment Agency

FUTURE OF THE DIESEL ENGINE

10.15 – 10.45
Does the diesel engine have a future in passenger cars?

  • Hybrids now offer better CO2 and competitive fuel economy
  • 4x4s are becoming cleaner
  • The founder of the EQUA index will look at what the real-world data reveals and give his opinion on the future of diesels

Aidan Revie, Business Development Director – North America, EMISSIONS ANALYTICS

10.45 – 11.00
QUESTIONS AND ANSWERS

11.00 – 11.30
COFFEE BREAK

INNOVATIVE EXHAUST SYSTEMS

11.30 – 12.00
How will future heavy duty exhaust systems look like?

  • Improvements in packaging with SCR on filter (SDPF)
  • Improvements in cost and robustness with new V-SCR technologies
  • Concepts and requirements for significantly improved DeNOx performance

Dr Oliver Niehaus, Manager System & Product Design HDD, Umicore, Germany
Co-author:
Dr Andreas Geißelmann, Senior Manager Regional Product & System Design HDD, Umicore, Germany

12.00 – 12.30
SCR systems for gasoline application to reduce CO2 emission

  • CO2 reduction by optimization of engine calibration
  • Requirements of SCR systems for gasoline applications
  • Cost influence; drawbacks and benefits
  • NOX reduction efficiency of SCR systems for gasoline application

Martin Blank, Dortmund University of Applied Science and Arts
Co-author:
Prof. Dr-Ing. Yves Rosefort, Dortmund University of Applied Science and Arts

12.30 – 1.00
Thermal management of exhaust gas systems in diesel passenger cars

  • Classic SCR-system in Daimler OM 651 and Opel 2.0l cDTi
    • Temperature profiles and the relevance of EGR for urban driving under low engine load
    • The “thermal window” and component protection
  • An RDE capable version of a diesel engine: OM 654 by Daimler and Volkswagen Modular Transverse Matrix MQB
    • Close-coupled approach with SCR on DPF
    • Compact design
  • The impact of RDE testing on future aftertreatment system layouts
    • Catalyst volumes
    • EGR-strategies
    • Current and future average AdBlue ™ consumption

Stefan Carstens, CEO, EngineSens Motorsensor

1.00 – 1.15
QUESTIONS AND ANSWERS

1.15 – 2.30
LUNCH

SCR ON FILTER – ALL IN ONE

2.30 – 3.00
Robustness evaluation for RDE compliance of a lean SCR on filter system with adaptive controls

  • Lean SCR on filter configuration without engine-out NOx sensor and without ammonia slip catalyst
  • SCR on filter dosing strategy including feedforward control, ammonia storage control and adaptive control with ammonia slip detection strategy
  • Robustness evaluation methodology with component tolerance and ageing, combining simulation tools and engine dyno testing. – SCR on filter system performance under RDE conditions
  • Using the robustness study as a way to accelerate system calibration

Antoine Jean, Engineer, DENSO Automotive Deutschland

3.00 – 3.30
Development of high efficiency SCRF® systems for multiple HDD applications

  • Challenges for high NOx conversions (> 98 %) for low temperature driving HDD cycles.
  • Enhanced SCRF®/SCR catalysts systems.
  • The incorporation of urea hydrolysis catalyst as a key trade-off to improve performance on cold driving cycles.
  • Overall emission reduction performance of the ATS configuration

Dr Juan Carlos Martin Pereira, Senior Scientist, Johnson Matthey
Co-author:
Dr Ronald Silver, Caterpillar

3.30 – 3.45
QUESTIONS AND ANSWERS

3.45 – 4.15
COFFEE BREAK

4.15 – 4.45
Liebherr Field experience with SCR on Filter technology

  • NOx conversion efficiency evolution during lifetime
  • Ash packaging/Cleaning
  • Technology applied for Stage V

Aglae Auclaire, SCR Project Leader, Liebherr Machines Bulle SA

4.45 – 5.15
Modeling of NOx reduction and soot oxidation in a DPF with an SCR coating

  • Modeling approach
  • Lab scale experiments
  • Medium scale engine tests
  • Adjustment to non-road applications

Dr Boban Maletic, Turbocharging and Fluid Systems, MTU Friedrichshafen

5.15 – 5.30
QUESTIONS AND ANSWERS

6.00
Transport to Stuttgart 21 construction and guided tour

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20.00
Get together at Carls Brauhaus am Schlossplatz

Friday | 7th July 2017

PARALLEL SESSIONS

Session A: SCR Systems

9.00 – 9.30
RECEPTION WITH COFFEE AND TEA

9.30 – 9.45
Welcome by the chairman
Prof. Dr-Ing. Werner Müller,
Former Professor at the International Combustion Engines Department, Technical University of Kaiserslautern

SCR ACTIVE COMPONENTS

9.45 – 10.15
More than SCR – possibilities of vanadate based catalysts in exhaust gas aftertreatment

  • Capability of vanadate based catalysts in various processes like COoxidation, VOC-oxodation
  • Recent results of improved vanadate SCR-catalysts
  • Potential applications of vanadate catalysts

Dr Christine Artner, Head of Catalysis Group, Treibacher Industries

SCR SYSTEM COMPONENTS

10.15 – 10.45
AdBlue dosing system for low temperature operation

  • AdBlue spray formation and AdBlue evaporation
  • Deposit formation in the exhaust
  • Influence of the spray on catalyst efficiency

Dr Georg Hüthwohl, Managing Director, Albonair
Co-author:
Maren Bösing, Head of Sales & Business Development, Albonair
Dr Andreas Müschen, Director of Development, Albonair

10.45 – 11.00
QUESTIONS AND ANSWERS

11.00 – 11.30
COFFEE BREAK

11.30 – 12.00
SCR-urea injection: spray and flow diagnostics of flash boiling aqueous sprays

  • Background: overview of urea-SCR systems
  • Recap of flash boiling spray imaging survey
    • Flash boiling flow measurements
      • Averaged flow
      • Instantaneous flow device description and validation
      • Instantaneous flow measurements/ prospects for simultaneous flow and imaging diagnostics
  • Conclusions and next steps

Nic van Vuuren, Advanced Product Engineer, Continental Automotive Systems

12.00 – 12.30
BLDC drive systems for modern SCR pumps

  • History of SCR pumps development (for modern SCR pumps and former pump drive solutions)
  • Requirements to drive systems regarding to regulations, repeatability and life-time
  • Pump characteristics according to rubber membranes
  • Control solutions for special functions of SCR pumps
  • New electric drive platform for rotative SCR pumps
  • Conclusions

Jens Löffler, Head of market segment engine, ebmpapst St. Georgen

12.30 – 1.00
The NH3-Generator Concept as an Upgrade Solution for Passenger Cars to Meet Euro 6 RDE Emissions

  • AdBlue conversion rates for passenger cars
  • Energy sources and energy demand
  • Retrofit of a demonstration vehicle
  • NOX reduction rates > 93 % on chassis dyno testing and on real drive cycles

Dr.-Ing. Jan Margraf, Head of Advanced Development, Baumot Technology

1.00 – 1.30
QUESTIONS AND ANSWERS

1.30
END OF SCR SYSTEMS SESSION


Session B: Off-Highway Applications

9.00 – 9.30
RECEPTION WITH COFFEE AND TEA

9.30 – 9.45
Welcome by the Chairman
Prof. Dr-Ing. Yves Rosefort,
Dortmund University of Applied Science and Arts

OFF HIGHWAY – INNOVATIVE SOLUTIONS

9.45 – 10.15
Technological development of future off-highway powertrains

  • Demands on off-highway powertrains
  • Engine and aftertreatment measures
  • Hybridisation
  • Potential powertrain architectures

Dr Vinod Rajamani, Head of Exhaust Aftertreatment, Deutz

10.15 – 10.45
Energy efficiency and total CO2 emissions from diesel hybrids compared to battery-electric/fuel cell drives in railcars

  • Status quo – typical load profile of a modern diesel multiple unit
  • Potential for improvement and basic requirements on a hybrid vehicle
  • “Well-to-Wheel” energy efficiency and total CO2 emissions – diesel hybrids versus battery-electric / fuel cell drives
  • Modular hybridisation concepts for new and older vehicles
  • Outlook – future potential of modern drive concepts

Dr Günter Zitzler, MTU Friedrichshafen
Co-author:
Jürgen Blassmann, MTU Friedrichshafen
Dr-Ing. Claus Schmalzing, MTU Friedrichshafen
Johannes Schalk, MTU Friedrichshafen

10.45 – 11.00
QUESTIONS AND ANSWERS

11.00 – 11.30
COFFEE BREAK

FIELD EXPERIENCE

11.30 – 12.00
In-field operation of SCRT system at low exhaust temperature

  • Performance requirements for heavy duty vehicles
  • Specific application challenges for city buses
  • System design for low temperature operation: catalyst performance and ammonia provision
  • Evaluation of environmental benefits for a large fleet performance
  • Lessons learned

Dr Gudmund Smedler, HDD Technology Director, Johnson Matthey

12.00 – 12.30
Upgrading EU V city busses towards EU VI at real driving conditions

  • London city NOx abatement programme over 3 years, upgrading 4000 - 5000 busses to EU VI to achieve full fleet EU VI standards four years earlier
  • Replacing EU V OE SCR catalyst with up to date SCR technology and retention of OE OBD strategy
  • Additional application of DPF system
  • Reduction of PM/PN emissions to EU VI level and decrease of NOx emissions of > 90 % compared to EU V busses in real driving MLTB cycle

Ingo Zirkwa, Team leader system integration Retrofit, HJS Emission Technology

12.30 – 1.00
QUESTIONS AND ANSWERS

1.00
END OF OFF-HIGHWAY SESSIONS