Resolution estimates for simple one-dimensional flames
Resolution estimates for simple one-dimensional flames
复制标题
简单一维火焰的分辨率估计
DOI:
10.1080/13647830.2017.1324641
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发表时间:
2017
影响因子:
1.3
通讯作者:
Prosser R
中科院分区:
文献类型:
--
作者:
Prosser R
The accurate resolution of flame structure is critically important to the direct numerical simulation of reacting flows. While grid-resolution estimates are readily available for cold flows, premixed flames appear to have received relatively little attention. In this paper, a premixed flame characterised by single-step chemistry at moderate-to-high Zel'dovitch numbers (β) is analysed, and its structure is used to provide estimates for sufficient grid resolution. It is found that the critical region of the flame exhibits a weak inverse Zel'dovitch number dependence, and that heuristic methods of resolution estimation based on flame thickness grow relatively less meaningful as β → ∞. Resolution estimates for second- and fourth-order finite-difference schemes are provided.
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DOI:
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发表时间:
1993
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影响因子:
--
作者:
J. Chen
通讯作者:
J. Chen
DOI:
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1984
期刊:
影响因子:
--
作者:
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通讯作者:
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DOI:
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1991
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1988
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作者:
K. Seshadri;N. Peters
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DOI:
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1986
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--
作者:
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通讯作者:
R. Vichnevetsky