Initial Phase Modelling In Numerical Explosion Applied To Process Safety

dc.creatorVianna S.S.V.
dc.creatorCant R.S.
dc.date2013
dc.date2015-06-25T19:17:52Z
dc.date2015-11-26T15:15:43Z
dc.date2015-06-25T19:17:52Z
dc.date2015-11-26T15:15:43Z
dc.date.accessioned2018-03-28T22:25:32Z
dc.date.available2018-03-28T22:25:32Z
dc.identifier
dc.identifierProcess Safety And Environmental Protection. Institution Of Chemical Engineers, v. 92, n. 6, p. 590 - 597, 2013.
dc.identifier9575820
dc.identifier
dc.identifierhttp://www.scopus.com/inward/record.url?eid=2-s2.0-84922962791&partnerID=40&md5=19107889de9a450f9e00ae5cde663448
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/89625
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/89625
dc.identifier2-s2.0-84922962791
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1259076
dc.descriptionThe utilisation of computational fluid dynamics (CFD) in process safety has increased significantly in recent years. The modelling of accidental explosion via CFD has in many cases replaced the classical Multi Energy and Brake Strehlow methods. The benefits obtained with CFD modelling can be diminished if proper modelling of the initial phase of explosion is neglected. In the early stages of an explosion, the flame propagates in a quasi-laminar regime. Proper modelling of the initial laminar phase is a key aspect in order to predict the peak pressure and the time to peak pressure. The present work suggests a modelling approach for the initial laminar phase in explosion scenarios. Findings are compared with experimental data for two classical explosion test cases which resemble the common features in chemical process areas (confinement and congestion). A detailed analysis of the threshold for the transition from laminar to turbulent regime is also carried out. The modelling is implemented in a fully 3D Navier-Stokes compressible formulation. Combustion is treated using a laminar flamelet approach based on the Bray, Moss and Libby (BML) formulation. A novel modified porosity approach developed for the unstructured solver is also considered. Results agree satisfactorily with experiments and the modelling is found to be robust.
dc.description92
dc.description6
dc.description590
dc.description597
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dc.languageen
dc.publisherInstitution of Chemical Engineers
dc.relationProcess Safety and Environmental Protection
dc.rightsfechado
dc.sourceScopus
dc.titleInitial Phase Modelling In Numerical Explosion Applied To Process Safety
dc.typeArtículos de revistas


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