首页|AN INVESTIGATION OF FLOW CHARACTERISTIC OF AERATED DRAG REDUCTION IN TUBE
AN INVESTIGATION OF FLOW CHARACTERISTIC OF AERATED DRAG REDUCTION IN TUBE
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Under the aerated conditions of wall and top intube, the turbulent flow in the tube was measured by usingLDA. The turbulent structure of the flow field and the mech-anism of aerating drag reduction in the tube were discussed. It is shown that the energy dissipations of turbulence flow andmean flow will reduce and the flow velocity (or flow rate) willincrease by injecting mini-bubbles to the wall or top of tube,namely the effect of aerating drag reduction is attained.
tubeturbulent flowaerationdrag reduction
DAI Guang-qing、Yang Qing、Zhang Rong
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State Key Hydraulics Laboratory of High Speed Flows, Sichuan University, Chengdu 610065, China
Net Education Institute, Sichuan University, Chengdu 610065, China
NETL
NSTL
维普
万方数据
