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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Minimum ignition energy ： ウィキペディア英語版 Minimum ignition energy Minimum ignition energy (MIE) is the minimum amount of energy required to ignite a combustible vapor, gas or dust cloud, for example by means of an electrostatic discharge. Ignition of a fuel/air mixture is possible only when the rate of liberation of heat near the ignition zone is greater than the heat loss by conduction. Heat loss due to radiation is not considered, as it is assumed to be negligible, and the ignition process is assumed to be steady and one-dimensional. MIE is measured in joules (J).〔Pratt, Thomas H. "Electrostatic Ignitions of Fires and Explosions" Wiley-AIChE (July 15, 1997) Center for Chemical Process Safety〕 Explosives, hydrogen, unsaturated hydrocarbons and alkanes in oxygen have the lowest MIE: in the range of 1 to 100 μJ. Alkanes in air, distillate fuels, hybrid mixtures and extremely sensitive dusts have a MIE range of 0.1 to 10 mJ. Combustible dusts have a MIE range of 0.01 to 10 J. The lowest ignition energy value occurs at the stoichiometric combustion concentration. For most materials this can be calculated from the carbon and hydrogen content and is typically about twice the lower flammable limit (LFL). == See also == * Hydrogen safety * Dust explosion * Spark plug 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Minimum ignition energy」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.