Particulate Emissions PN vs. PM and GDI

As emissions standards grow more stringent, understanding the behavior and measurement of particulate emissions is essential for engineers and researchers. This course explores the differences between PM and PN, the impact of engine design and operation on particle formation, and the latest research on emissions from GDI engines. With insights from two active industry researchers, learners will gain practical knowledge of measurement techniques, sensor technologies, and the role of advanced filtration systems in reducing emissions.

• Emissions engineers and powertrain developers working on combustion and aftertreatment systems.
• Engineering students, ICE researchers, and chemists focused on air quality and emissions science.
• Technical professionals and regulatory specialists seeking a deeper understanding of particulate emissions metrics and mitigation strategies.

Module 1 - Particulate Emissions & Measurement Techniques part 1

Module 2 - Particulate Emissions & Measurement Techniques part 2

Module 3 - Particle Sensors Used On-Board Vehicles

Module 4 - Relationship Among Various Particle Characterization Metrics

Module 5 - Particle Emissions from Gasoline Direct Inject Engines

Module 6 - Particle Emissions During Engine Start-Up

Module 7 - Effect of EGR on Particle Emissions from a GDI Engine

Module 8 - The Role of High Efficiency Exhaust Particle Filters in Emissions Reduction-A Look into the Future

Imad Khalek

Vinay Premnath

Vinay Premnath is a mechanical engineer with a strong background in particle science and technology, fluid mechanics & heat transfer. He has experience in automotive emissions research and development, project management, data acquisition and analysis, design of experiments, and aerosol particle instrumentation. As a technical leader, he focuses on diverse research areas involving particle science & technology. Research topics include battery thermal runaway emissions, state-of-the-art sensors used for OBD and other applications, ISO-compliant calibration of particle instrumentation, design & development of aerosol instrumentation, and characterization & control of emissions from various combustion platforms.