http://www.cnr.it/ontology/cnr/individuo/prodotto/ID37125
Characterization of soot particles produced in a transparent research CR DI Diesel engine pperating with conventional and advanced combustion strategies (Articolo in rivista)
- Type
- Label
- Characterization of soot particles produced in a transparent research CR DI Diesel engine pperating with conventional and advanced combustion strategies (Articolo in rivista) (literal)
- Anno
- 2012-01-01T00:00:00+01:00 (literal)
- Alternative label
Di Iorio S., Mancaruso E., Vaglieco B.M. (2012)
Characterization of soot particles produced in a transparent research CR DI Diesel engine pperating with conventional and advanced combustion strategies
in Aerosol science and technology (Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Di Iorio S., Mancaruso E., Vaglieco B.M. (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Istituto Motori, CNR, Napoli. (literal)
- Titolo
- Characterization of soot particles produced in a transparent research CR DI Diesel engine pperating with conventional and advanced combustion strategies (literal)
- Abstract
- The effect of the combustion mode on particle emission was
analyzed both in the cylinder and at the exhaust of a direct injection
(DI) Common Rail (CR) transparent research diesel engine
by means of spectroscopic and conventional methods. The engine
was equipped with a flexible electronic control unit (ECU) capable
of operating up to 5 injections per cycle with different start
of injection and dwell time allowing performing different combustion
modes. The conventional diesel combustion, the homogeneous
charge compression ignition (HCCI), and the low temperature
combustion (LTC) modes were analyzed. In-cylinder broadband
UVvisible scattering and extinction measurements were carried
out to follow the particle formation and oxidation processes as
well as to have information about their chemical nature and size
distribution. The characterization of the particulate emission at
the exhaust was performed by means of an electrical low pressure
impactor (ELPI), for the counting and the sizing of the particles,
and an opacimeter, for measuring the smoke opacity. The
in-cylinder measurements highlighted that particles ranged from
3 to 100 nm whatever was the combustion mode. Nevertheless,
particles produced by a conventional diesel combustion process
principally consist of soot.Whereas particles formed during HCCI
and LTC modes are composed mainly of organic compounds. The
exhaust particle emissions depend on the combustion mode both
in terms of size and number. A larger amount of particles smaller
than 100 nm was emitted during HCCI and LTC modes with respect
to the conventional one. Moreover, HCCI mode showed a
strong accumulation mode. (literal)
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- Autore CNR
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