| 喷水推进器推力预报的两种不同方法比较 |
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| 引用本文： | 孙存楼,王永生.喷水推进器推力预报的两种不同方法比较[J].船舶力学,2010,14(11):1208-1212. |
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| 作者姓名： | 孙存楼 王永生 |
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| 作者单位： | 海军工程大学船舶与动力学院,武汉,430033;海军工程大学船舶与动力学院,武汉,430033 |
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| 基金项目： | 国防"十一·五"预研项目 |
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| 摘 要： | 概述了喷水推进器推力预报方法,研究了理论分析和CFD两种预报喷水推进器推力的方法.理论分析方法把喷水推进船整体分解成部件进行研究,从数学上描述了船底边界层对进流管道进口动量和动能的影响;结合经验系数建立了推力计算的函数关系式.CFD计算采用壁面积分的方法求取推力.文中所用的这两种方法的计算结果和厂商提供的推力特性曲线都能很好地吻合.文章最后比较了两种方法的优缺点.
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| 关 键 词： | 船舶 喷水推进 计算流体力学 推力 数值模拟 |
Comparison of two different methods for thrust prediction of marine waterjet |
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| SUN Cunlou,WANG Yong-sheng.Comparison of two different methods for thrust prediction of marine waterjet[J].Journal of Ship Mechanics,2010,14(11):1208-1212. |
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| Authors: | SUN Cunlou WANG Yong-sheng |
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| Institution: | SUN Cun-lou,WANG Yong-sheng(Naval University of Engineering,Wuhan 430033,China) |
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| Abstract: | Basic methods for thrust prediction of marine waterjet are briefly introduced,and the theory method and CFD method are especially discussed.When theory method is referred,the equation of thrust is derived by decomposing waterjet system into several parts and describing the influence of boundary layer on momentum and energy of the incoming water by mathematical method.Wall force integral method is used when predicting thrust by CFD.Two methods are used to calculate a practical waterjet vessel and the results... |
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| Keywords: | ship waterjet CFD thrust numerical simulation |
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