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Turbulent flow mixing at the junction of a T-channel
|摘要:||Besides electricity and oil, natural gas is one of the most popular energy re-sources in Taiwan.In order to provide high- quality gas fuel to local residentsand industries, the design and planning of gas pipelines then become important.Currently, part of the natural gas is imported from Indonesia and Malaysia. Howto prepare gas with acceptable quality by properly adjusting themixing propor-tions of different gases has been a major task of the local oilcompany. In theareas north to Jiayee, the gas is supplied mainly by BatzkungDistributed Stat-ion. About nine kilometers upstream, there exists a T-junction, connecting twopipelines carrying two sources of gases with different buringvalues. Since themixing process does not appear satisfactory,the gas contentsbecomes nonuniform, causing a significant increase of the operational cost. To explore the mixing mechanism and to obtain additional insight in the designof the junction, the flow characteristics around the junction of gas pipelineshas been investigated numerically in the previous NSC project(NSC 86-2221-E-005-003).|
|Appears in Collections:||土木工程學系所|
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