http://www.cnr.it/ontology/cnr/individuo/prodotto/ID42570
Fluidized Bed Combustion of a Diesel Fuel: a Modeling Interpretation For Micro-Explosions (Articolo in rivista)
- Type
- Label
- Fluidized Bed Combustion of a Diesel Fuel: a Modeling Interpretation For Micro-Explosions (Articolo in rivista) (literal)
- Anno
- 2007-01-01T00:00:00+01:00 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Miccio F. and Ferrante L. (literal)
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- 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
- IRC-CNR
UNIV. DI SALERNO (literal)
- Titolo
- Fluidized Bed Combustion of a Diesel Fuel: a Modeling Interpretation For Micro-Explosions (literal)
- Abstract
- The present paper deals with the combustion of liquid fuels in bubbling fluidized bed. The focus is on
micro-explosions that were experimentally observed when burning a commercial bio-diesel in the intermediate
temperature range 873-1023 K. The measured micro-explosions frequency fell in the range 2.4-
3.8 Hz. A simplified model for the combustion of a rising fuel-bubble was purposely developed. It applies
to a single non-premixed bubble that can undergo coalescence with other bed bubbles. A mechanistic
approach is also included in the model in order to relate the frequency of micro explosions to the frequency
by which relatively well-premixed bubbles approach the bed surface. The number of coalescences experienced
by the endogenous bubble during its residence time is less than one, as predicted by the model with
reference to the experimental conditions reported in the paper. Even with large simplifications, the model is
able to explain the temperature dependence of the micro-explosive behavior. The accordance between the
experimental frequency of micro-explosions and the predicted frequency of coalescence-free bubbles reaching
the bed surface is rather good.
? 2006 The Combustion Institute. Published by Elsevier Inc. All rights reserved. (literal)
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