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Ignition temperature of combustible liquids in mixtures of air with nitrous oxide
Fire and Materials ( IF 2.0 ) Pub Date : 2021-06-11 , DOI: 10.1002/fam.2999
Maria Mitu 1 , Sabine Zakel 2 , Elisabeth Brandes 2 , Werner Hirsch 2
Affiliation  

While ignition temperatures in the air are well known for a large number of flammable substances and to a lesser extent in pure oxygen too, no such values exist for ignition temperatures in nitrous oxide in spite of the fact that nitrous oxide is used as oxidizer in combustion processes or aerosol propellant in industry. The ignition temperatures of some pure compounds have now been investigated in oxidizer mixtures of nitrous oxide and air with varying concentration of nitrous oxide up to 80 vol% using a slightly modified standardized apparatus. The ignition temperature increases with increasing nitrous oxide concentration. Up to 580°C, none of the investigated substances ignited in pure nitrous oxide.

中文翻译:

空气与一氧化二氮混合物中可燃液体的着火温度

虽然空气中的着火温度对于大量易燃物质是众所周知的,在纯氧中的燃烧温度也较低,尽管一氧化二氮在燃烧中用作氧化剂,但一氧化二氮的着火温度不存在这样的值工业中的工艺或气溶胶推进剂。现在已经使用稍微改进的标准化设备在氧化亚氮和空气的氧化剂混合物中研究了一些纯化合物的着火温度,其中一氧化二氮的浓度高达 80 vol%。着火温度随着一氧化二氮浓度的增加而增加。在高达 580°C 的温度下,所研究的物质均未在纯一氧化二氮中点燃。
更新日期:2021-06-11
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