二维机翼非定常空泡的数值模拟研究  

Numerical Simulation of Unsteady Cavitation on 2D Wing

作　　者：范井峰[1] 况贶 沈兴荣 FAN Jingfeng;KUANG Kuang;SHEN Xingrong(Naval Representative Office of Ship Design and Research,Shanghai 200011,China;Navy Representative Office of Hudong-Zhonghua Shipbuilding Co.,Ltd.,Shanghai 200129,China;Marine Design and Research Institute of China,Shanghai 200011,China;Shanghai Key Laboratory of Ship Engineering,Shanghai 200011,China)

机构地区：[1]海军驻上海地区舰艇设计研究军事代表室,上海200011 [2]海军驻上海沪东中华造船(集团)有限公司军事代表室,上海200129 [3]中国船舶及海洋工程设计研究院,上海200011 [4]上海市船舶工程重点实验室,上海200011

出　　处：《中国造船》2018年第1期122-132,共11页Shipbuilding of China

摘　　要：应用商业软件Fluent对二维翼的空泡数值模拟方法进行了研究,首先考察了湍流模型以及不可凝结气体分数对空泡数值预报结果的影响,得到了可行的空泡数值模拟方法,随后应用该方法对不同攻角、不同空泡数下的二维翼空泡进行了数值模拟,分析了升力系数和阻力系数的变化情况,结合已有的试验数据验证,表明该方法可以定性评估二维翼的空泡性能。Commercial software is used to simulate the cavitation on a 2D wing under different attack angles and different cavitation numbers.Effects of turbulence model and fraction of non-condensable gas on the performance of hydrodynamics and cavitation are investigated,and reasonable values of the fraction of non-condensable gas are obtained.Hydrodynamic performance of the wing is analyzed,and the lift and drag coefficients are verified by test data.The simulation method is useful for qualitative evaluation of cavitation performance for 2D wings.

关 键 词：二维机翼 空泡 数值模拟 不可凝结气体分数 

分 类 号：TV131.32[水利工程—水力学及河流动力学]