Advanced Boosting Systems

Dear Colleagues,

The requirements for the reduction of CO₂ emissions imposed by the European Commission for passenger cars has driven the automotive industry to develop technological solutions to limit exhaust emissions and fuel consumption, without compromising vehicle performance and drivability.

Vehicle hybridization is a key solution to achieve such targets in short/midterm, enabling a restricted engine operating range and thus a limited turbocharger optimized behavior.

In this rapidly developing scenario, it follows that boosting technology will become more and more relevant as a key technology for spark-ignition engines, to improve efficiency and reduce fuel consumption, where the electric drive is off. In such conditions, new combustion concepts are likely to require very high boost pressures with an unprecedented need for efficiency and challenging transients.

This Special Issue will collect research on advanced boosting systems, welcoming innovative papers on this subject. The main topics of interests are related (but not limited to) the following:

• Advanced boosting systems
• Variable geometry turbine
• Electrically assisted turbocharger
• Electrically assisted compressor
• Two-stage systems
• Compressor surge
• Pulsating flow turbine performance
• Pulsating flow compressor performance
• Gasoline Millerized engines
• Modeling of hybrid turbocharged engines

Prof. Dr. Silvia Marelli
Guest Editor

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