Experimental Analysis of Steam Effect on Hydrogen Combustion in Severe Accidents
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摘要: 通过试验分析严重事故条件下水蒸气对氢气燃烧行为的影响,分别改变初始水蒸气浓度,比较分析氢气燃烧的温度、压力、火焰传播速度和燃尽率,并且对试验结果进行对比分析,可得出以下结论:水蒸气降低了氢气燃烧峰值温度、峰值压力和火焰传播速度,并且水蒸气浓度越高,对氢气燃烧影响越大,但是对氢气燃尽率无影响。Abstract: This paper investigates the effect of steam concentration on hydrogen combustion in severe accident condition. By changing the initial concentration of steam, combustion temperature, peak pressure, flame velocity and burn-off rate are compared, and experimental results also are compared. These results are concluded that the steam can decrease the combustion temperature, pressure and flame velocity, but has no effect on the burn-off rate.
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Key words:
- Hydrogen combustion /
- Steam /
- Peak temperature /
- Peak pressure /
- Flame velocity /
- Burn-off rate
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