蒸気加減弁に生じる流体振動現象 : 第1報,空気実験による弁体周辺の圧力脈動特性の把握(流体工学,流体機械)

概要

論文の詳細を見る
A steam control valve causes vibration of the piping when the opening is in the middle condition. For the rationalization of maintenance and management in the plant, the valve should be improved, but it is difficult to understand the flow characteristics in detail by experiment because the flow around the valve is complex 3D structure and becomes supersonic (M>1). To clarify this phenomenon, as the first step, we introduce an small scale air experiment to investigate the region of the pressure fluctuation. At only the middle opening condition, a circumferentially propagating spike-type pressure fluctuation can be seen. The occuring region of this fluctuation depends on mass flow rate and valve structure.
社団法人日本機械学会の論文
2004-08-25