耗氧型惰化反应器起燃特性

doi:10.7527/S1000-6893.2020.24182

流体力学与飞行力学

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耗氧型惰化反应器起燃特性

冯诗愚¹, 任童¹, 谢辉辉², 彭孝天¹, 王晨臣³, 王洋洋³, 潘俊³

1. 南京航空航天大学航空学院飞行器环境控制与生命保障工业和信息化部重点实验室, 南京 210016;
2. 航空工业江西洪都航空工业集团有限责任公司, 南昌 330024;
3. 中国航空工业集团有限公司南京机电液压工程研究中心航空机电系统综合航空科技重点实验室, 南京 211106

收稿日期:2020-05-05 修回日期:2020-06-16 发布日期:2020-06-24
通讯作者: 冯诗愚 E-mail:shiyuf@nuaa.edu.cn
基金资助:
国家自然科学基金委员会-中国民用航空局民航联合研究基金（U1933121）；中央高校基本科研业务费专项资金；江苏省研究生科研与实践创新计划（KYCX19_0198）；江苏高校优势学科建设工程

Light-off characteristics of oxygen-consuming inerting reactor

FENG Shiyu¹, REN Tong¹, XIE Huihui², PENG Xiaotian¹, WANG Chenchen³, WANG Yangyang³, PAN Jun³

1. Key Laboratory of Aircraft Environmental Control and Life Support, MIIT, College of Aerospace Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China;
2. AVIC Jiangxi Hongdu Aviation Industry Group Corporation Limited, Nanchang 330024, China;
3. Aviation Key Laboratory of Science and Technology on Aero-Electromechanical System Integration, Nanjing Engineering Institute of Aircraft Systems, Aviation Industry Corporation of China, Nanjing 211106, China

Received:2020-05-05 Revised:2020-06-16 Published:2020-06-24
Supported by:
Joint Research Funds of National Natural Science Foundation of China and Civil Aviation Administration of China(U1933121); the Fundamental Research Funds for the Central Universities; Postgraduate Research & Practice Innovation Program of Jiangsu Province(KYCX19_0198);Priority Academic Program Development of Jiangsu Higher Education Institutions

摘要/Abstract

摘要： 通过CFD方法建立了一个耦合化学反应的多孔介质二维拟均相反应器模型，研究了耗氧型惰化系统在不同工况下反应器的操作范围及工作性能。以RP-3燃油为研究对象，采用Fluent 17.0软件的多孔介质单温度模型，通过UDS （User Defined Scalar）添加固相能量方程，采用源项形式添加化学反应热到固相能量方程。研究了不同参数对反应器起燃过程的影响，并给出了起燃过程内反应器催化床温度的变化过程。结果显示：反应器起燃过程中，催化床温度十分不均匀；RP-3摩尔分数的增加可大幅度缩短起燃时间，并且可降低起燃温度；存在一个适宜的气体速度使得反应器能够快速起燃。

关键词: 催化燃烧, 反应器, 燃油箱, 惰化系统, RP-3航空煤油

Abstract: A two-dimensional quasi-homogeneous reactor model of porous media coupled with chemical reactions via the CFD method is established. The operating range and performance of the reactor under different operating conditions are studied using this model. Taking RP-3 fuel as the research object, using a single temperature model of porous media in Fluent 17.0 software, we add the solid phase energy equation through UDS (User Defined Scalar), and add the chemical reaction heat to the solid phase energy equation through the source term. The effect of key parameters on the ignition process of the reactor and the temperature change of the reactor catalytic bed during the ignition process are simulated. The results show that the temperature of the catalytic bed is uneven during the ignition process of the reactor; the increase of the mole fraction of RP-3 can considerably reduce both the ignition time and the ignition temperature; an appropriate gas velocity exists to enable fast reactor light-off.

Key words: catalytic combustion, reactor, fuel tanks, inerting systems, RP-3 aviation kerosene

中图分类号:

V224⁺.2

冯诗愚, 任童, 谢辉辉, 彭孝天, 王晨臣, 王洋洋, 潘俊. 耗氧型惰化反应器起燃特性[J]. 航空学报, 2021, 42(3): 124182-124182.

FENG Shiyu, REN Tong, XIE Huihui, PENG Xiaotian, WANG Chenchen, WANG Yangyang, PAN Jun. Light-off characteristics of oxygen-consuming inerting reactor[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2021, 42(3): 124182-124182.

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主管单位：中国科学技术协会主办单位：中国航空学会北京航空航天大学

耗氧型惰化反应器起燃特性

Light-off characteristics of oxygen-consuming inerting reactor

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[1]	冯诗愚, 邵垒, 李超越, 陈悟, 刘卫华. 航空燃油类型对催化惰化系统性能的影响[J]. 航空学报, 2016, 37(6): 1819-1826.
[2]	赵国柱, 宋文艳, 张若凌. 超临界压力下RP-3航空煤油吸热裂解反应的数值研究[J]. 航空学报, 2014, 35(6): 1513-1521.