Large-eddy simulation of a swirling flow in a model combustion chamber

被引：1
|
作者：
Hrebtov, M. Yu [1 ,2 ]
Palkin, E., V [1 ,2 ]
Mullyadzhanov, R., I [1 ,2 ]
机构：
[1] Inst Thermophys SB RAS, Novosibirsk 630090, Russia
[2] Novosibirsk State Univ, Novosibirsk 630090, Russia
来源：
XXXVI SIBERIAN THERMOPHYSICAL SEMINAR (STS 36) | 2020年 / 1677卷
基金：
俄罗斯科学基金会;
关键词：
D O I：
10.1088/1742-6596/1677/1/012012
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Large-eddy simulations of the swirling annular jet flow are performed in a model of a combustion chamber at two different flow regimes with and without the central jet at Re = 5000. The mesh convergence study provides well-described time-averaged statistics even for a coarse mesh, while small-scale features are only resolved after a proper refinement. The central jet is shown to significantly modify the recirculation bubble and partially suppress the precessing vortex core.
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页数：5
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