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Modeling of mean fl...
Modeling of mean flame shape during premixed flame flashback in turbulent boundary layers
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- Gruber, Andrea (author)
- SINTEF Energy Research, Trondheim, Norway
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- Kerstein, Alan R. (author)
- SINTEF Energy Research, Trondheim, Norway
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- Valiev, Damir (author)
- Combustion Research Facility, Livermore, CA, United States
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- Law, Chung K. (author)
- Princeton University, Princeton, NJ, United States
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- Kolla, Hemanth (author)
- Combustion Research Facility, Livermore, CA, United States
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- Chen, Jacqueline H. (author)
- Combustion Research Facility, Livermore, CA, United States
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(creator_code:org_t)
- Elsevier BV, 2014
- 2014
- English.
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In: Proceedings of the Combustion Institute. - : Elsevier BV. - 0082-0784 .- 1878-027X .- 1540-7489.
- Related links:
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http://manuscript.el...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Direct numerical simulations of freely-propagating premixed flames in the turbulent boundary layer of fully-developed turbulent channel flows are used for a priori validation of a new model that aims to describe the mean shape of the turbulent flame brush during flashback. Comparison with the DNS datasets, for both fuel-lean and fuel-rich mixture conditions and for Damköhler numbers lower and larger than unity, shows that the model is able to capture the main features of the flame shape. Although further a priori and a posteriori validation is required, particularly at higher Reynolds numbers, this new simple model seems promising and can potentially have impact on the design process of industrial combustion equipment.
Subject headings
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Annan maskinteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Other Mechanical Engineering (hsv//eng)
Keyword
- Turbulent channel flow; Flame shape model; Turbulent premixed flame; Flame propagation
Publication and Content Type
- ref (subject category)
- art (subject category)
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