Numerical study on two-phase turbulent flow of blunt combustor with strongly swirling flow

DOI

10.2991/icaees-15.2015.181How to use a DOI?

Keywords

Swirl flow, combustion, blunt body, two-phase flow, vortex shedding

Abstract

This study sets double injections in the inlet of the flow field to study the new blunt body’s law of the flow patterns and the combustion efficiency under the condition of the two-phase flow. Compared with the vortex shedding mechanism of the V-gutter blunt, the computational results show that the vortex shedding mechanism of the coupling combustion stabilizer is controlled by the vortex of the swirling flow. During one shedding period, the heat and mass can be enhanced by the vortex source which is brought by the vortex breaking. The vortex structure is complex, and the increasing number is advantageous to heat and mass transfer between fluids. Under the combustion condition, the violent chemical reactions behind the blunt body bate the vortex shedding process. The flow field and vortex becomes more symmetric. The velocity field and pressure distribution behind the blunt body tends to be uniformly distributed under the combustion condition. Kerosene particles and air will be mixed and burned more fully, which is the cause of the function of the cyclone.

Copyright

© 2015, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Zhiyi Lei
AU  - Xuesong Zhang
PY  - 2015/07
DA  - 2015/07
TI  - Numerical study on two-phase turbulent flow of blunt combustor with strongly swirling flow
BT  - Proceedings of the 3rd International Conference on Advances in Energy and Environmental Science 2015
PB  - Atlantis Press
SP  - 980
EP  - 988
SN  - 2352-5401
UR  - https://doi.org/10.2991/icaees-15.2015.181
DO  - 10.2991/icaees-15.2015.181
ID  - Lei2015/07
ER  -