Numerical simulation of CH4-H2-AIR non-premixed flame stabilized by a bluff body

被引：12
|
作者：
Khaladi, Fatma Zohra [1 ]
Alliche, Mounir [2 ]
Chikh, Salah [1 ]
机构：
[1] Univ Technol Houari Boumediene, LTPMP, Algiers, Algeria
[2] Univ Medea, Lab Mecan Phys & Modelisat Math LMP2M, Quartier Ain Dheb, Medea, Algeria
来源：
MATERIALS & ENERGY I (2015) / MATERIALS & ENERGY II (2016) | 2017年 / 139卷
关键词：
Non-premixed combustion; Hydrogen enrichment; EDM and FRC models; CFD; Ansys CFX; COMBUSTION;
D O I：
10.1016/j.egypro.2017.11.249
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The aim of this study is to perform a numerical simulation of a non-premixed turbulent flame of methane-air enriched by hydrogen. The selected axisymmetric configuration is composed of a central injector of methane-hydrogen mixture surrounded by a bluff-body, which is surrounded by a co-axial air jet. The Ansys CFX software is used to solve the equations governing turbulent reactive flow (Navier Stokes averaged in sense of Favre). The Turbulence is modeled using the k-epsilon model. The EDM (Eddy Dissipation model), then the FRC model (Finite Rate Combustion) combined with EDM are used to modeling the combustion phenomena. The results show some concordance with the temperature profile given by experience to a hydrogen rate of 50%. (C) 2017 The Authors. Published by Elsevier Ltd.
引用
收藏
页码：530 / 536
页数：7
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