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https://hdl.handle.net/2440/74954
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Type: | Journal article |
Title: | Large-Eddy Simulation of a jet-in-hot-coflow burner pperating in the oxygen-diluted combustion regime |
Author: | Ihme, M. Zhang, J. He, G. Dally, B. |
Citation: | Flow, Turbulence and Combustion, 2012; 89(3):449-464 |
Publisher: | Kluwer Academic Publ |
Issue Date: | 2012 |
ISSN: | 1386-6184 1573-1987 |
Statement of Responsibility: | W. P. Jones, S. Lyra, S. Navarro-Martinez |
Abstract: | The present paper discusses the Large Eddy Simulation of a confined non-reacting annular swirling jet. The configuration corresponds to a well investigated flow studied experimentally by Sheen (1993). The flow field is characterised by a high swirl number resulting in relatively complex features. The challenging behaviour of the flow is governed by the interaction of several recirculation zones. The central recirculation zone formed by the swirling jet is strongly affected by the cylindrical centre body which acts as a bluff body. The flow features coherent structures such as Precessing Vortex Cores (PVCs), which create regions with high velocity fluctuations. The simulations presented comprise a detailed investigation of the parameters controlling the inert flow and a thorough comparison with the experimental data. |
Keywords: | LES Swirl flows Sub-critical PVC Recirculation zones |
Rights: | © Springer Science+Business Media B.V. 2012 |
DOI: | 10.1007/s10494-012-9399-7 |
Published version: | http://dx.doi.org/10.1007/s10494-012-9399-7 |
Appears in Collections: | Aurora harvest 4 Environment Institute publications Mechanical Engineering publications |
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