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分子筛氧气浓缩器多因素退化试验设计

孙宏达 景博 章余 焦晓璇

孙宏达,景博,章余,等. 分子筛氧气浓缩器多因素退化试验设计[J]. 北京航空航天大学学报,2023,49(4):965-971 doi: 10.13700/j.bh.1001-5965.2021.0339
引用本文: 孙宏达,景博,章余,等. 分子筛氧气浓缩器多因素退化试验设计[J]. 北京航空航天大学学报,2023,49(4):965-971 doi: 10.13700/j.bh.1001-5965.2021.0339
SUN H D,JING B,ZHANG Y,et al. Multi-factor degradation test design for molecular sieve oxygen concentrator[J]. Journal of Beijing University of Aeronautics and Astronautics,2023,49(4):965-971 (in Chinese) doi: 10.13700/j.bh.1001-5965.2021.0339
Citation: SUN H D,JING B,ZHANG Y,et al. Multi-factor degradation test design for molecular sieve oxygen concentrator[J]. Journal of Beijing University of Aeronautics and Astronautics,2023,49(4):965-971 (in Chinese) doi: 10.13700/j.bh.1001-5965.2021.0339

分子筛氧气浓缩器多因素退化试验设计

doi: 10.13700/j.bh.1001-5965.2021.0339
基金项目: “十三五”专用技术项目(3030507-2)
详细信息
    通讯作者:

    E-mail:564325155@qq.com

  • 中图分类号: V240.2;R852.82

Multi-factor degradation test design for molecular sieve oxygen concentrator

Funds: Special Technical Projects for the 13th Five-Year Plan (3030507-2)
More Information
  • 摘要:

    针对分子筛氧气浓缩器(MSOC)退化试验(DT)研究不足及分子筛床(MSB)退化失效影响因素不明确的情况,提出了一种基于正交试验的氧气浓缩器退化试验设计方法。在分析氧气浓缩器工作原理的基础上,确定了造成分子筛床退化失效的主要因素,并搭建了分子筛氧气浓缩器退化试验系统,通过多组对照试验确定并验证了退化试验的最佳试验高度为9 km;基于正交试验思想设计了分子筛氧气浓缩器退化试验方案,采用9组典型试验即可获得各因素的影响结果,减少了试验次数,降低了试验成本,提高了耦合试验的效率。该试验设计可以模拟受试设备的真实工作环境,并可有效降低试验因素变化对试验结果初值的影响。

     

  • 图 1  某型氧气浓缩器实物图

    Figure 1.  Physical picture of oxygen concentrator

    图 2  氧气浓缩器原理

    Figure 2.  Schematic diagram of oxygen concentrator

    图 3  故障实物图

    Figure 3.  Fault diagram

    图 4  氧气浓缩器故障原因百分比

    Figure 4.  Percentage of oxygen concentrator failure

    图 5  分子筛氧气浓缩器退化试验系统

    Figure 5.  Degradation test system of molecular sieve oxygen concentrator

    图 6  试验流程

    Figure 6.  Test process

    图 7  氧浓度随试验高度和引气压力变化曲线

    Figure 7.  Curves of oxygen concentration with test height and air pressure

    图 8  氧浓度随试验高度和引气温度变化曲线

    Figure 8.  Curves of oxygen concentration with test height and air temperature

    图 9  氧浓度随试验高度和含湿量变化曲线

    Figure 9.  Curves of oxygen concentration with test height and moisture content

    图 10  各因素水平组合下氧浓度值

    Figure 10.  Oxygen concentration under factors of different levels

    图 11  试验剖面

    Figure 11.  Test profile

    表  1  各因素水平

    Table  1.   Factors of different levels

    水平等级引气压力/MPa引气温度/℃含湿量/(g·kg−1)
    0.14158
    0.83015
    1.25022
    下载: 导出CSV

    表  2  正交试验方案

    Table  2.   Orthogonal test scheme

    试验序号引气压力/MPa引气温度/℃含湿量/(g·kg−1)
    10.14158
    20.143015
    30.145022
    40.81515
    50.83022
    60.8508
    71.21522
    81.2308
    91.25015
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-06-21
  • 录用日期:  2021-12-23
  • 网络出版日期:  2022-03-03
  • 整期出版日期:  2023-04-30

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