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|Title: ||Low power auto selective regeneration of monolithic wall flow diesel particulate filters|
|Authors: ||Williams, Andrew M.|
Garner, Colin P.
Hoare, David W.
Ladha, Karim S.
|Issue Date: ||2009|
|Publisher: ||© SAE International|
|Citation: ||WILLIAMS, A.W. ... et al, 2009. Low power auto selective regeneration of monolithic wall flow diesel particulate filters. 2009-01-1927. IN: Proceedings of SAE International Powertrains, Fuels and Lubricants Meeting, Florence, Italy, 15th-17th June.|
|Series/Report no.: ||SAE Technical Paper;2009-01-1927|
|Abstract: ||This paper presents research into a novel autoselective
electric discharge method for regenerating monolithic
wall flow diesel particulate filters using low power over
the entire range of temperatures and oxygen
concentrations experienced within the exhaust systems
of modern diesel engines. The ability to regenerate the
filter independently of exhaust gas temperature and
composition significantly reduces system complexity
compared to other systems. In addition, the system does
not require catalyst loading and uses only massproduced
electronic and electrical components, thus
reducing the cost of the after-treatment package.
Purpose built exhaust gas simulation test rigs were used
to evaluate, develop and optimise the autoselective
regeneration system. On-engine testing demonstrated
the performance of the autoselective regeneration
process under real engine conditions. Typical
regeneration performance is presented and discussed
with the aid of visual observations, particulate mass
measurements, back pressure measurements and
energy consumption. The research demonstrates the
potential of the novel autoselective method for diesel
particulate filter regeneration. The autoselective process
does not require an exhaust by-pass and enables the
system to be low power, catalyst-free and exhaust
|Publisher Link: ||http://dx.doi.org/10.4271/2009-01-1927|
|Appears in Collections:||Conference Papers (Materials)|
Conference Papers (Mechanical and Manufacturing Engineering)
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