北京航空航天大学学报 ›› 2011, Vol. 37 ›› Issue (6): 717-722,732.

• 论文 • 上一篇    下一篇

三床机载制氧系统性能仿真及影响因素分析

王慧丹1, 林贵平1, 王亮1, 方玲2   

  1. 1. 北京航空航天大学 航空科学与工程学院, 北京 100191;
    2. 中航工业合肥江航飞机装备有限公司,合肥 230051
  • 收稿日期:2011-01-07 出版日期:2011-06-30 发布日期:2011-07-05
  • 作者简介:王慧丹(1982-),女,河北石家庄人,博士生,danny@ase.buaa.edu.cn.

Simulation on performance and effects of parameters analysis on three-bed OBOGS

Wang Huidan1, Lin Guiping1, Wang Liang1, Fang Ling2   

  1. 1. School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China;
    2. AVIC HeiFei Jianghang Aircraft Equipment Corporation LTD, Hefei 230051, China
  • Received:2011-01-07 Online:2011-06-30 Published:2011-07-05

摘要: 建立了三床机载分子筛制氧系统的数学模型,对系统性能进行仿真.仿真结果与实验值进行了对比,两者吻合较好,验证了模型和求解的正确性.在此基础上,对不同飞行高度和工作条件下系统的性能进行仿真预测,研究了产品气流量、吸附压力、冲洗定径孔大小和循环时间对系统工作性能的影响,为三床机载分子筛制氧系统的设计和优化提供了依据.

Abstract: A set of mathematical models was built and utilized to simulate the performance of three-bed on-board oxygen generation system (OBOGS). Then the results of simulation were compared with the data from experiments and the good agreements were obtained to validate the models and simulation process. Based on the validated simulation, the performance of the OBOGS at different flight altitudes and in different operation conditions were predicted by simulation, and effects of some design and operation parameters such as product flow rate, feed pressure, purge orifice size and cycle time were investigated. It provides a guidance of design and optimization for three-bed OBOGS.

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