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Numerical modelling...
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Parra-Santos, TeresaUniversity of Valladolid
(author)
Numerical modelling of swirling diffusive flames
- Article/chapterEnglish2016
Publisher, publication year, extent ...
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2016-03-28
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EDP Sciences,2016
Numbers
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LIBRIS-ID:oai:lup.lub.lu.se:d7ae5dbf-b8e0-4f5e-a6dc-571339686f3c
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https://lup.lub.lu.se/record/d7ae5dbf-b8e0-4f5e-a6dc-571339686f3cURI
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https://doi.org/10.1051/epjconf/201611402087DOI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
Notes
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Computational Fluid Dynamics has been used to study the mixing and combustion of two confined jets whose setup and operating conditions are those of the benchmark of Roback and Johnson. Numerical model solves 3D transient Navier Stokes for turbulent and reactive flows. Averaged velocity profiles using RNG swirl dominated k-epsilon model have been validated with experimental measurements from other sources for the non reactive case. The combustion model is Probability Density Function. Bearing in mind the annular jet has swirl number over 0.5, a vortex breakdown appears in the axis of the burner. Besides, the sudden expansion with a ratio of 2 in diameter between nozzle exits and the test chamber produces the boundary layer separation with the corresponding torus shape recirculation. Contrasting the mixing and combustion models, the last one produces the reduction of the vortex breakdown.
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Added entries (persons, corporate bodies, meetings, titles ...)
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Perez, RubenUniversity of Valladolid
(author)
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Szasz, Robert Z.Lund University,Lunds universitet,Strömningsteknik,Institutionen för energivetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Fluid Mechanics,Department of Energy Sciences,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)vok-rsz
(author)
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Gutkowski, Artur N.Technical University of Lodz
(author)
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Castro-Ruiz, FranciscoUniversity of Valladolid
(author)
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University of ValladolidStrömningsteknik
(creator_code:org_t)
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In:EPJ Web of Conferences: EDP Sciences1142101-62752100-014X
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