水蒸气环境中阵列微管氢氧燃烧模型耦合研究

田亮; 冯文斌; 韩啸; 甘志超; 刘泓芳; 蔡骁; 王洪信; 刘晓佩

doi:10.13224/j.cnki.jasp.20240048

水蒸气环境中阵列微管氢氧燃烧模型耦合研究

doi: 10.13224/j.cnki.jasp.20240048

田亮^1,,
冯文斌¹,
韩啸^{2, 3, 4,*, ,},
甘志超^{2, 3, 4},
刘泓芳⁵,
蔡骁⁵,
王洪信⁶,
刘晓佩⁷

1.
河北工业大学能源与环境工程学院，天津 300401
2.
北京航空航天大学航空发动机气动热力国家级重点实验室，北京 100191
3.
北京航空航天大学航空发动机研究院，北京 100191
4.
先进航空发动机协同创新中心，北京 100191
5.
西安交通大学动力工程多相流国家重点实验室，西安 710049
6.
慕尼黑工业大学航天与大地测量学院，德国加兴 85748
7.
上海电气燃气轮机有限公司，上海 200240

基金项目: 航空发动机及燃气轮机基础科学中心项目（P2022-A-Ⅱ-006-001）；国家自然科学基金（52106128）；中央高校基本科研业务费专项资金

详细信息

作者简介:
田亮（1983-），男，副教授，博士，研究领域为超声速流动与燃烧控制。E-mail：tianliangg@hebut.edu.cn

通讯作者:
韩啸（1993-），男，副研究员，博士，研究领域为氢燃料燃烧组织。E-mail：han_xiao@buaa.edu.cn

中图分类号: V231.2
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出版历程
- 收稿日期: 2024-01-22
- 网络出版日期: 2025-07-20

Study on array microtube hydrogen-oxygen combustion in water vapor environment

TIAN Liang^1
,,
FENG Wenbin¹,
HAN Xiao^{2, 3, 4,*
, ,},
GAN Zhichao^{2, 3, 4},
LIU Hongfang⁵,
CAI Xiao⁵,
WANG Hongxin⁶,
LIU Xiaopei⁷

1.
School of Energy and Environmental Engineering，Hebei University of Technology，Tianjin 300401，China
2.
National Key Laboratory of Science and Technology on Aero-Engine Thermodynamics，Beihang University，Beijing 100191，China
3.
Research Institute of Aero-Engine，Beihang University，Beijing 100191，China
4.
Collaborative Innovation Center for Advanced Aero-Engine，Beijing 100191，China
5.
State Key Laboratory of Multiphase Flow in Power Engineering，Xi’an Jiaotong University，Xi’an 710049，China
6.
Department of Aerospace and Geodesy，Technical University of Munich，Garching 85748，Germany
7.
Shanghai Electric Gas Turbine Company，Limited，Shanghai 200240，China

摘要

摘要:
采用激光诊断测量和RANS（Reynolds-averaged Navier-Stokes）数值模拟相结合的方式，研究了氢气在水蒸气环境中微混燃烧耦合模型问题。试验测量了燃烧室的冷态流场及热态OH基团组分浓度分布。通过对比试验结果发现，采用realizable k-ε湍流模型、火焰面生成流形-有限速率（FGM-FR）模型耦合模拟得出的冷态流场误差为12.5%，OH基团组分分布特征与试验测量结果基本一致，能够较精确地模拟水蒸气环境中氢气微预混燃烧。数值仿真结果表明：氧气质量分数变化能够影响预混喷嘴燃烧的火焰长度，火焰的长度随着氧气质量分数的升高呈准线性减小趋势。氧气质量分数的增加使得局部燃烧速度提升，对湍流拉伸作用的抵抗效果提升，火焰稳定性增强，火焰轮廓面积减小。
- 水蒸气环境 /
- 阵列微管 /
- 微混燃烧 /
- 纯氢燃烧 /
- 燃烧特性
Abstract:
The coupled modeling problem of hydrogen micro-mixed combustion in water vapor environment was investigated using a combination of laser diagnostic measurements and RANS (Reynolds-averaged Navier-Stokes) numerical simulations. The no-reacting flow field and reacting OH group components distribution in the combustor chamber were experimentally measured. Compared with the experimental results, the deviation of the no-reacting flow field was 12.5% and the distribution of OH group components in the reacting flow was closely matched with the experimental measurements by using the realizable k-ε turbulence model and flamelet-generated manifold-finite-rate (FGM-FR) model. This coupled simulation method demonstrated a relatively accurate method of hydrogen micro-premixed combustion in water vapor environment. The numerical simulation results showed that the change of oxygen mass fraction can affect the flame length, showing a quasi-linear relationship with oxygen mass fraction. The increase in oxygen mass fraction led to an increase in the local combustion rate, reduction in the flame profile area, which improved flame resistance against turbulent stretch and enhanced flame stability as well.
- water vapor environment /
- array microtube /
- micro-mixed combustion /
- pure hydrogen combustion /
- combustion characteristic

HTML

图 1 阵列微管燃烧器示意图

Figure 1. Schematic diagram of the arrayed microtubu burner

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图 2 激光诊断系统示意图

Figure 2. Schematic diagram of the laser diagnostic system

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图 3 微混燃烧室的光学火焰筒实物图

Figure 3. Optical flame barrel for the micro-mixed combustion chamber

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图 4 网格加密的流体域

Figure 4. Encrypted grid of the fluid domain

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图 5 网格无关性验证

Figure 5. Numerical grid independence verification

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图 6 RANS数值模拟与试验喷管出口的速度分布

Figure 6. Nozzle exit velocity distribution comparison between RANS numerical simulation and experiment

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图 7 RANS模型耦合与试验OH基团分布对比

Figure 7. Comparison between experimental and RANS simulation model coupling on the distribution of OH groups

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图 8 RANS模拟和试验中OH基团相对强度的分布特性对比

Figure 8. Comparison of the relative intensity distribution characteristics of OH groups between experimental and RANS simulations

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图 9 不同氧气质量分数下的温度分布

Figure 9. Temperature distribution at different O₂mass fractions

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图 10 不同氧气质量分数下的最高温度

Figure 10. The maximum temperature at different O₂ mass fractions

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图 11 不同氧气质量分数下的火焰长度

Figure 11. Flame length at different O₂ mass fractions

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图 12 微混燃烧室的反应流线图

Figure 12. Reaction streamline map of the micro-mixed combustion chamber

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图 13 不同氧气质量分数下的OH基组分分布

Figure 13. Distribution of OH group components at different O₂ mass fractions

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图 14 不同氧气质量分数下的火焰轮廓面积

Figure 14. Flame outline area at different O₂ mass fractions

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图 15 不同氧气质量分数下的层流燃烧速度

Figure 15. Laminar burning speed at different O₂ mass fractions

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表 1 数值仿真工况条件

Table 1. Operating conditions for numerical simulation

工况	H₂质量流量/（kg/s）	O₂质量流量/（kg/s）	H₂O质量流量/（kg/s）	O₂质量分数/%	H₂O质量分数/%	当量比
Case 1	9.92×10⁻⁵	7.93×10⁻⁴	0.00361	18	82	1
Case 2	1.13×10⁻⁴	9.03×10⁻⁴	0.00361	20	80
Case 3	1.27×10⁻⁴	1.02×10⁻³	0.00361	22	78
Case 4	1.43×10⁻⁴	1.14×10⁻³	0.00361	24	76
Case 5	1.59×10⁻⁴	1.27×10⁻³	0.00361	26	74

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