Webinar - Developing Engine Exhaust Measurement Techniques

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Webinar - Developing Engine Exhaust Measurement Techniques

Postby kathyerickson on Mon Oct 04, 2010 3:19 pm

Development and Application of Emerging Engine Exhaust Aerosol Measurement Technologies
Live Webinar - Guest Speaker: Dr. Jacob Swanson - Center for Diesel Research, University of Minnesota
When: October 7, 2010
To Register Visit http://www.tsi.com/webinars

To force the development and use of the best available emission technologies needed to significantly reduce Diesel particulate matter (DPM) mass, the 2007 United States Environmental Protection Agency DPM standards for on-road trucks were reduced by 90% to 0.01 g/hp-hr. On-road Diesel engines manufactured after 2007 emit low levels of DPM. The gravimetric method used for certification differentiates between compliant and noncompliant engines at the 0.01 g/hp-hr level. At concentrations below ~10 µg/m3 the method lacks sensitivity, making it difficult to evaluate alternative engine designs, emission control devices, alternative fuels, and modified lubricants that reduce DPM even further.

This presentation will discuss alternative methods and metrics like the particle size and number concentration measurements extend this lower limit of detection that may enable engine manufacturers and others to make better decisions on what future technologies are required for meeting a zero emission goal. Further objectives are to improve the understanding of variables like dilution and sampling conditions that contribute to particle-based emission measurements, to identify and improve current and emerging methods, and to use alternative methods to make measurements of engine exhaust to further elucidate the impact of fuels, emission control and engine state-of-maintenance on emissions.

About the Presenter: Jacob Swanson is a mechanical engineer and aerosol physicist, specializing in aerosol instrumentation and the study of combustion generated particles. He has conducted research and co-authored a number of papers on a variety of topics including combustion aerosols, emission control devices, and dilution methods. Current research is focused on experimental and computational fluid mechanics using particle image velocity (PIV) to measure large-scale airflows and nozzle sprays and ANSYS CFX to simulate experiments. Dr. Swanson has a B.A. in Physics from St. John's University and an M.S. and Ph.D.in Mechanical Engineering from the University of Minnesota, Twin Cities.
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