随着我国天然气行业的发展，城市天然气多气源供气现象将长期存在。在天然气互换性问题基础上，为满足互换性实验的要求，在实验室得不到供应各地方实际气源气的前提下，以北京地区为例，对各气源天然气进行多组分配气计算并编写相关软件，得到不同配气方案下各气源天然气的实验配制气。通过分析不同配气方案下配制气的燃烧特性参数，并结合天然气互换性实验系统的要求甄选出了最佳配气方案。%With the development of natural gas industry in China,more and more natural gas sources will be supplied for the same city together.In the case of natural gas interchangeability, the multi-group distribution calculation for different kinds of natural gas in Beijing was made and the results of those calculations were obtained in this paper. Through the analysis of the combustion characteristics and the requirements of the experimental system,the best multi-group distribution method was recommended.
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