Measuring and Simulating EGR-Distribution on a HD-Diesel Engine

Paper #:
  • 2014-01-2644

Published:
  • 2014-10-13
DOI:
  • 10.4271/2014-01-2644
Citation:
Reifarth, S., Rajagopal, V., Gritzun, K., and Angstrom, H., "Measuring and Simulating EGR-Distribution on a HD-Diesel Engine," SAE Technical Paper 2014-01-2644, 2014, https://doi.org/10.4271/2014-01-2644.
Pages:
10
Abstract:
The distribution of EGR between the cylinders of an internal combustion engine has been shown to have large impact on the engine emissions. Especially at high EGR, the combustion reacts sensibly to variations in the EGR-rate. A cylinder that receives excessive EGR produces soot emissions while a cylinder with too little EGR has increased NOX-formation. It is therefore important to have knowledge about the mixing of air and EGR in an engine.This study compares two different EGR-mixing measurement methods. The first is based on CO2 measurement with standard probes, placed at 36 different locations in the intake manifold of the engine. The second method uses a laser beam and a detector to gain information about the mixing with a high time-resolution. Additionally, 1-D simulations are used to gain information about the mixing process.To vary the mixing process on the engine, two different air/EGR mixers are used and their mixing performance is evaluated.
Access
Now
SAE MOBILUS Subscriber? You may already have access.
Buy
Select
Price
List
Download
$27.00
Mail
$27.00
Members save up to 40% off list price.
Share
HTML for Linking to Page
Page URL

Related Items

Training / Education
2009-12-15
Training / Education
2018-03-27
Technical Paper / Journal Article
2010-09-28
Training / Education
2011-04-12