Garcia Agreda, Anita (2010) Study of hybrid mixture explosions. [Tesi di dottorato] (Inedito)
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| Tipologia del documento: | Tesi di dottorato |
|---|---|
| Lingua: | English |
| Titolo: | Study of hybrid mixture explosions |
| Autori: | Autore Email Garcia Agreda, Anita anita.garcia-agreda@irc.cnr.it |
| Data: | 26 Novembre 2010 |
| Numero di pagine: | 116 |
| Istituzione: | Università degli Studi di Napoli Federico II |
| Dipartimento: | Ingegneria chimica |
| Scuola di dottorato: | Ingegneria industriale |
| Dottorato: | Ingegneria chimica |
| Ciclo di dottorato: | 23 |
| Coordinatore del Corso di dottorato: | nome email Maffettone, Pier Luca pierluca.maffettone@unina.it |
| Tutor: | nome email Russo, Gennaro gennaro.russo@unina.it |
| Data: | 26 Novembre 2010 |
| Numero di pagine: | 116 |
| Parole chiave: | Hybrid mixture explosion, deflagration index, flame propagation, explosion regimes. |
| Settori scientifico-disciplinari del MIUR: | Area 09 - Ingegneria industriale e dell'informazione > ING-IND/27 - Chimica industriale e tecnologica |
| Depositato il: | 02 Dic 2010 07:32 |
| Ultima modifica: | 30 Apr 2014 19:44 |
| URI: | http://www.fedoa.unina.it/id/eprint/7988 |
| DOI: | 10.6092/UNINA/FEDOA/7988 |
Abstract
The work of this thesis aims at studying the explosive phenomenon of hybrid mixtures to get insights into the driving mechanisms and the explosion features affecting the course of hybrid mixture explosion. This is achieved by means of an extensive experimental study that developed in the following steps: - Measurement of the ignitability and the explosion severity; - Study of the flame propagation. The explosion experiments were performed in a 20 l Siwek bomb; instead, the flame propagation experiments were performed in a new equipment: a tube of 1 m length and 7x7 cm square. The hybrid mixture under examination was a mixture of methane and nicotinic acid in air. Results allow the definition of four different regimes of the gas/dust/air mixture explosion in the plane dust concentration vs. fuel concentration. And the flame propagation behaviour of the mixture gives a further contribution to the explanation of the different regimes.
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