热管反应器内毛细燃烧的建模仿真  

Modeling simulation of wick combustion in heat-pipe reactor

作　　者：杜瑞 李代金[3] 李艳霞 李华容 Du Rui;Li Daijin;Li Yanxia;Li Huarong(Beijing Institute of Aerospace Control Devices,Beijing 100854,China;Beijing Engineering Research Center of Optical Fiber Sensing System,Beijing 100094,China;School of Marine Science and Technology,Northwest Polytechnical University,Xi’an 710072,China;Petrochina Pipeline Xi’an Oil and Gas Transportation Company,Xi’an 710000,China;School of Business and Economics,Capital University of Economics and Business,Beijing 100070,China)

机构地区：[1]北京航天控制仪器研究所,北京100854 [2]北京市光纤传感系统工程技术研究中心,北京100094 [3]西北工业大学航海学院,陕西西安710072 [4]中国石油天然气股份有限公司管道西安输油气分公司,陕西西安710000 [5]首都经济贸易大学经济学院,北京100070

出　　处：《南京理工大学学报》2018年第4期484-490,共7页Journal of Nanjing University of Science and Technology

基　　金：国家自然科学基金(51679202;51409215;51579209)

摘　　要：为了更合理地设计热管反应器,该文对热管反应器稳定运行时内部的毛细燃烧反应进行了研究。该文在燃烧边界层模型的基础上,结合自然对流扩散理论建立了毛细燃烧的数学模型,通过对比分析模型仿真结果与公开文献中的试验数据,得到了系统压力与吸液芯长度对毛细燃烧反应速率的影响规律。结果表明:毛细燃烧的反应速率随系统压力增加而增大,并与吸液芯高度的-1/4次方成正比,同时该模型可以较好地预测低压环境下的毛细燃烧反应速率。To Improve the design of the heat-pipe reactor,this paper studies the wick combustion inside the reactor which is under a certain steady operation.On the basis of the combustion boundary layer,a mathematical model for the wick combustion is established with the theory of diffusion natural convection.After comparing the simulation results of the model with the experimental data published in the literatures,the effect of the pressure and wick length on the wick combustion burning rate is carried out.The results show that the predicted average burning rate increases with the increase of the pressure and varies as H-1/4 and that the models can predict the wick combustion well under low pressure.

关 键 词：热管反应器 毛细燃烧 自然对流扩散 燃烧速率 

分 类 号：TK16[动力工程及工程热物理—热能工程]