期刊名称：IOP Conference Series: Earth and Environmental Science
印刷版ISSN：1755-1307
电子版ISSN：1755-1315
出版年度：2018
卷号：186
期号：4
页码：012075
DOI：10.1088/1755-1315/186/4/012075
语种：English
出版社：IOP Publishing
摘要：In order to study the combustion temperature distribution of the fire tube and flue tube of the large cylinder natural gas heater with intermediate heat carrier medium, and to select a more appropriate combustion method, this paper separately simulates two kinds of combustion methods: premixed combustion and diffusion combustion. Using a standard turbulence model to describe the turbulent conditions of the flue gas, the turbulent diffusion combustion model and the vortex crushing model were used to simulate the diffusion combustion and the premixed combustion respectively. The results show that this structural model is more suitable for the diffusion combustion method.
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