甲烷的数量

G. Palmer
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引用次数: 4

摘要

甲烷数是衡量天然气在发动机中作为发动机燃料燃烧时对爆炸的抵抗力。纯甲烷的甲烷编号为100,纯氢的甲烷编号为0。例如,一种甲烷数为80的天然气,其爆炸特性相当于由80%的甲烷和20%的氢气组成的混合物。甲烷值的概念类似于汽油的辛烷值。然而,与汽油不同的是,天然气甲烷含量的测试还没有一个通用的标准,就像汽油的发动机测试一样。此外,目前还没有普遍接受的基于天然气成分计算甲烷数量的方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Methane Number
The Methane Number is a measure of the resistance of natural gas to detonation when it is burned as a motor fuel in an engine. Pure Methane is assigned a Methane Number of 100 and pure Hydrogen is assigned a Methane Number of zero. A natural gas having a Methane Number of 80 for example, would have the detonation properties of a mixture consisting of 80 vol% Methane and 20 vol% Hydrogen. The Methane Number concept is similar to the Octane Number for gasoline. Unlike gasoline however, there is not yet a universal standard for testing natural gas Methane Number as there is in the motor test for gasoline. Also, there is no universally accepted method for calculating the Methane Number based on the composition of natural gas.
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