摘要
文章以整流导管为研究对象,借助水池模型试验,结合数值计算方法,分析整流导管抑制联体涡空泡和节能增效特性。研究结果表明,整流导管能降低桨盘面峰值带的伴流梯度,均匀伴流场,抑制联体涡空泡,大幅度地降低脉动压力值;另一方面,整流导管还能产生推力,降低推力减额分数,提高船身效率,起到节能增效作用。
Application of the duct in eliminating PHV cavitation and saving energy is investigated experimentally in this paper. The results show that application of the duct is successful in reducing wake gradient and pressure fluctuations, as well as in reducing the thrust deduction fraction and increasing the hull efficiency. Flow patterns around the ship stem with and without duct are analyzed to reveal the dependence of PHV on the ship wake.
出处
《中国造船》
EI
CSCD
北大核心
2017年第3期146-151,共6页
Shipbuilding of China
关键词
节能装置(ESD)
导管
联体涡空泡
涡流发生器
energy saving device （ESD）
duct
vortex generator
propeller-hull-vortex cavitation
