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Measurement of Transient Sub-23 nm Engine Exhaust Particles

This webinar will cover a specific case study for measuring the transient size distribution of sub-23nm solid particles.Upcoming Euro 7/VII regulations will reduce the cutsize of solid particles emitted by internal combustion engines to 10nm.

This webinar will cover a specific case study for measuring the transient size distribution of sub-23nm solid particles emitted by a gasoline direct injection (GDI) engine during a Worldwide Harmonized Light Vehicles Test (WLTP) Cycle. Details of the test cell setup and experimental results will be presented.

There will be time reserved at the end of the webinar for audience questions.

Webinar highlights

  • Importance of sample conditioning
  • Engine Exhaust Particle Measurement System (EEPMS)
  • Experimental setup for tailpipe transient measurements  
  • Solid particle transient emissions from GDI engine
  • Effect of dilution ratio on measurement results

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About the speakers

Join Francisco Romay and Justin Koczak for a webinar about sub-23 nm measurements with EEPMS.Justin Koczak joined TSI as an applications engineer in 2019. Justin did his M.S. and Ph.D. studies at the University of Michigan, specializing in particle emissions from GDI engine combustion. Justin brings a wealth of combustion and aerosol research experience to TSI, having worked most recently with the US EPA on engine exhaust aerosol projects. He is a member of numerous professional societies, including the Society of Automotive Engineers (SAE), the American Association for Aerosol Research (AAAR), and the American Chemical Society (ACS).

Francisco Romay received his Ph.D. in Mechanical Engineering from the University of Minnesota in 1992. He has more than 20 years of experience in aerosol instrumentation and has been a key contributor to the development of several aerosol instruments, including the Wide Range Aerosol Spectrometer, the Next Generation Pharmaceutical Impactor, the Aerosol Concentrator for the US Army CBMS Block II, the Electrical Aerosol Ionizer, and the Real-Time Quartz Crystal Microbalance MOUDI impactor. Dr. Romay has been a member of the American Association for Aerosol Research for over 20 years and is the co-inventor of eight patents on aerosol instrumentation.