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A high-order public...
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Babkovskaia, Natalia
(författare)
A high-order public domain code for direct numerical simulations of turbulent combustion
- Artikel/kapitelEngelska2011
Förlag, utgivningsår, omfång ...
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Elsevier BV,2011
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LIBRIS-ID:oai:DiVA.org:su-50480
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https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-50480URI
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https://doi.org/10.1016/j.jcp.2010.08.028DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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A high-order scheme for direct numerical simulations of turbulent combustion is discussed. Its implementation in the massively parallel and publicly available PENCIL CODE is validated with the focus on hydrogen combustion. This is the first open source DNS code with detailed chemistry available. An attempt has been made to present, for the first time, the full set of evolution and auxiliary equations required for a complete description of single phase non-isothermal fluid dynamics with detailed chemical reactions. Ignition delay times (0D) and laminar flame velocities (1D) are calculated and compared with results from the commercially available Chemkin code. The scheme is verified to be fifth order in space. Upon doubling the resolution, a 32-fold increase in the accuracy of the flame front is demonstrated. Finally, also turbulent and spherical flame front velocities are calculated and the implementation of the non-reflecting so-called Navier-Stokes Characteristic Boundary Condition is validated in all three directions.
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Biuppslag (personer, institutioner, konferenser, titlar ...)
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Haugen, N. E. L.
(författare)
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Brandenburg, AxelStockholms universitet,Institutionen för astronomi,Nordiska institutet för teoretisk fysik (Nordita)(Swepub:su)brandenb
(författare)
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Stockholms universitetInstitutionen för astronomi
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Journal of Computational Physics: Elsevier BV230:1, s. 1-120021-99911090-2716
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