長大管内の圧縮空気の減圧特性に関する研究 : 第3報,分岐管付長大管の実験

概要

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This paper describes an experimental investigation of pressure reduction, which is initiated by a sudden discharge of compressed air from a long pipe installing branch pipes to the atomosphere. The experiments have been made by changing the geometrical parameters : main pipe length, branch pipe length and orifice ratio. It has been made clear that the time Δ_<to> for the pressure reduction ratio ξ=0.17 in branch pipe length Y=1.5 m is almost the same as that for the case without branch pipes. The time Δ_<to> is not greatly affected by the branch pipe length in the case of the main pipe length being relatively short, but it is affected by the branch pipe length in the longer main pipe.
社団法人日本機械学会の論文
1988-07-25