VNTTM Turbocharger for Gasoline “Miller” Engines | Extension to 90kW / Litre
Abstract: Up to now, the demand for high specific power and torque was the main driver for boosting the engine. Over the years, it also led to significant fuel
Learn moreFuture High Efficiency, Low Emission, High Performance Gasoline Engines: Boosting Systems as a Key enabler for upcoming legislation
What it does: This technology uses movable “gates” or “vanes” inside the turbocharger to better regulate airflow to precisely match the needs of the engine across engine speeds. This results
Learn moreVariable Nozzle Turbine Turbocharger for Gasoline “Miller” Engine | Basic Principle
1. Why Combine Miller + VNT Turbo ?
Miller Cycle Combustion Benefits
Variable Nozzle Turbine, VNT Turbochargers
2. Specific Developments for Gasoline
Aerodynamics
Reliability
Increased CR & Miller Cycle brings BSFC and T3 reduction but
VNT Turbo for Gasoline Engine
VNT Turbo for Gasoline Miller Engine
• Why Combining Miller + VNT Turbo ?
– Miller Cycle Combustion Benefits
– Variable Nozzle Turbine, VNTTM Turbochargers
• Specific VNT Developments for Gasoline
– Aerodynamics
– Reliability
Summary
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Advanced Boosting for Low NOx under RDE Conditions
Conclusion
• Options exist to further enhance Diesel Performance
• Traded for affordable and saleable NOx reduction
• As such Boosting can play a significant role reaching RDE
• Other Engine and After-treatment
MAN D26 Two Stage development, heavy duty commercial engines optimized with respect on low fuel consumption and emissions
The development of heavy duty engines is driven by customer as well as legal demands. To find the best compromise between low gaseous and particulate emissions with lowest fuel
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