大涡模拟燃烧模型对氨气旋流火焰适应性研究  

Study on Adaptability of Large Eddy Simulation Combustion Model to Ammonia Swirling Flame

作　　者：孙君建 张立业 孙桂军 安振华 王金华[3] 张猛[3] 黄佐华[3] 孙晨 杨沐村 Sun Junjian;Zhang Liye;Sun Guijun;An Zhenhua;Wang Jinhua;Zhang Meng;Huang Zuohua;Sun Chen;Yang Mucun(State Power Investment Group Northeast Power Co.,Ltd,Shenyang 110181,China;Chaoyang Yanshanhu Power Generation Co.,Ltd,Chaoyang 122099,China;State Key Laboratory of Multiphase Flow in Power Engineering,Xi’an Jiaotong University,Xi’an 710049,China;State Power Investment Corporation Research Institute Co.,Ltd,Beijing 102209,China)

机构地区：[1]国家电投集团东北电力有限公司,沈阳110181 [2]朝阳燕山湖发电有限公司,朝阳122099 [3]西安交通大学动力工程多相流国家重点实验室,西安710049 [4]国家电投集团科学技术研究院有限公司,北京102209

出　　处：《燃烧科学与技术》2022年第3期261-270,共10页Journal of Combustion Science and Technology

基　　金：国家自然科学基金资助项目(91841302,51776164).

摘　　要：推广无碳燃料是实现“碳达峰、碳中和”的重要举措,氨气具有基础设施完善、安全性高等优势.数值模拟在燃机设计、开发中承担重要作用,燃烧模型对计算对象的适应性非常重要,影响计算精度和效率.本文针对氨气旋流火焰,基于OpenFOAM开展了氨气旋流火焰标准化实验及模拟工作,对比了FGM燃烧模型和DTF燃烧模型在氨气旋流火焰燃烧室流场、火焰结构及污染物预测等方面的性能.通过综合分析,给出了模型选用建议,为氨发动机燃烧室和氨燃烧器仿真计算提供参考.Promoting the use of carbon free fuel is an effective way to achieve the goal of“carbon peaking,carbon neutrality”.As a carbon free fuel,ammonia gas has advantages such as perfect infrastructure and high safety.Nu-merical simulation plays an important role in the design and development of gas turbines,and the adaptability of combustion models to the calculation object is important,affecting the calculation accuracy and calculation effi-ciency.Aimed at the ammonia swirling flame,the standardization experiment and simulation of ammonia swirling flame were carried out based on the open source platform OpenFOAM.The performances of FGM combustion model and DTF combustion model in the flow field,flame structure and pollutant prediction were compared.Finally,through the comprehensive analysis,the suggestions for model selection are given,providing reference for the simu-lation and calculation of ammonia-fueled engine combustors and ammonia-fueled burners.

关 键 词：氨气旋流火焰 大涡模拟 模型对比 FGM燃烧模型 DTF燃烧模型 

分 类 号：TK11[动力工程及工程热物理—热能工程]