Large Eddy Simulation of the Laminar-Turbulent Transition in the Flow Induced by Wall Injection

被引：5

作者：

Gazanion, B. ^{[1
,2
]}

Chedevergne, F. ^{[2
]}

Casalis, G. ^{[2
]}

机构：

[1] CNES, Direct Lanceurs, 52 Rue Jacques Hillairet, F-75612 Paris, France

[2] Off Natl Etud & Rech Aerosp, F-31055 Toulouse 4, France

来源：

IUTAM-ABCM SYMPOSIUM ON LAMINAR TURBULENT TRANSITION | 2015年 / 14卷

关键词：

Large Eddy Simulation; vortex shedding; laminar-turbulent transition; wall injection; DIRECT NUMERICAL-SIMULATION; STABILITY;

D O I：

10.1016/j.piutam.2015.03.072

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Laminar-turbulent transition of an experimental configuration representative of the flow in Solid Rocket Motors is investigated using Large Eddy Simulation. The specific instability of this flow is reproduced and a turbulent region is recovered, using a spatial perturbation model built upon an analysis of the noise related to injection. The results show the axial natural growth of instabilities until the laminar-turbulent transition occurs near the end of the channel. Comparisons to measurements are made to validate the numerical procedure. (C) 2014 The Authors. Published by Elsevier B.V.

引用

页码：438 / 447

页数：10

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