Generating simplified ammonia reaction model using genetic algorithm and its integration into numerical combustion simulation of 1 MW test facility

被引：5

作者：

Nakamura, Hisashi ^{[1
]}

Zhang, Juwei ^{[2
]}

Hirose, Kaito ^{[1
,3
]}

Shimoyama, Koji ^{[1
,4
]}

Ito, Takamasa ^{[2
]}

Kanaumi, Tralin ^{[2
]}

机构：

[1] Tohoku Univ, Inst Fluid Sci, 2-1-1 Katahira,Aoba Ku, Sendai, Miyagi 9808577, Japan

[2] IHI Corp, Technol & Intelligence Integrat, Shin nakahara cho 1, Isogo ku, Yokohama 2358501, Japan

[3] Tohoku Univ, Grad Sch Engn, Dept Mech Syst Engn, 6-6-01 Aramaki Aza Aoba,Aoba Ku, Sendai, Miyagi 9808579, Japan

[4] Kyushu Univ, Dept Mech Engn, 744 Motooka, Nishi ku, Fukuoka 8190395, Japan

来源：

APPLICATIONS IN ENERGY AND COMBUSTION SCIENCE | 2023年 / 15卷

关键词：

Genetic algorithm; Inverse problem; Ammonia combustion; Boiler; CFD simulations; Nitric oxide (NO); REACTION-MECHANISMS; OPTIMIZATION; REDUCTION; PROPAGATION; OXIDATION; CHEMISTRY;

D O I：

10.1016/j.jaecs.2023.100187

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

A small reaction model for ammonia is necessary for the design and development of large-scale ammonia combustion systems using computational fluid dynamics (CFD) simulation. The present study generated a simplified reaction model for ammonia using a genetic algorithm (14 species and 45 reactions). Optimization was applied to reproduce the combustion properties of ignition delay times, mole fractions of ammonia and nitric oxide at the exit of a single perfectly stirred reactor (PSR), those of a two-staged PSR, and laminar flame speed. The generated simplified reaction model for ammonia was applied to combustion CFD simulation for a 1 MW boiler test facility. Results of CFD simulation reproduced the characteristics of two-staged combustion well. Nitrous oxide emissions predicted by the simulation agreed well with experimental results.

引用

页数：7

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