| 座舱减压时间对应急供氧参数的影响 |
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| 引用本文： | 孙兵,肖华军,袁修干. 座舱减压时间对应急供氧参数的影响[J]. 中国安全科学学报, 2002, 12(5): 44-50 |
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| 作者姓名： | 孙兵 肖华军 袁修干 |
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| 作者单位： | 1. 北京航空航天大学人机环境系统工程研究所
2. 北京航空航天大学人机环境系统工程研究所;空军航空医学研究所 |
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| 摘 要： | 通过实验和理论计算的方法对座舱爆炸减压过程中压力变化进行了研究 ,推导了座舱减压时间的计算公式 ;并就座舱减压时间的变化对应急供氧参数进行了分析。结果表明 :减压时间与座舱的容积成正比 ,与爆炸孔的有效面积成反比 ;减压时间的不同 ,对爆炸减压峰值有影响 ,而对剩余压力、稳定值影响不大。研究结果为今后进行供氧系统的爆炸减压实验提供了依据
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| 关 键 词： | 爆炸减压 供氧参数 减压峰值 模拟实验 |
| 修稿时间： | 2001-07-01 |
Effect of Cabin Decompression Time on Parameters of Emergency Oxygen Supply |
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| Sun Bing,Prof. Xiao Huajun,Assoc. Prof. Yuan Xiugan,Prof.. Effect of Cabin Decompression Time on Parameters of Emergency Oxygen Supply[J]. China Safety Science Journal, 2002, 12(5): 44-50 |
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| Authors: | Sun Bing Prof. Xiao Huajun Assoc. Prof. Yuan Xiugan Prof. |
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| Abstract: | The pressure change during the period of the cabin decompression was studied by experiment and theoretical calculation. The calculation formula of the cabin decompression time was concluded and the effect of the change of cabin decompression time on parameters of oxygen supply was analyzed. The results indicate that the decompression time is directly proportional to cabin capacity and inversely proportional to the valid area of the explosion orifice; and the decompression time does have some effects on decompression peak value and only a little effect on the remaining pressure and steady value. This study could provide further experimental basis for oxygen supply system on explosion decompression. |
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| Keywords: | Explosion decompression Oxygen supply parameters Decompression peak value Simulation study |
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