水下航行器对转螺旋桨性能预估

刘成勇; 罗 凯; 郭 庆

doi:10.11993/j.issn.2096-3920.2017.05.007

水下航行器对转螺旋桨性能预估

doi: 10.11993/j.issn.2096-3920.2017.05.007

西北工业大学航海学院, 陕西西安, 710072

基金项目: 国家自然基金项目(51409215)资助

详细信息

作者简介:
刘成勇(1992-), 男, 在读硕士, 主要研究方向为水下航行器热动力推进系统.

中图分类号: TJ630.2; U661.313
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- 文章访问数: 755
- HTML全文浏览量: 1
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- 被引次数: 0
出版历程
- 收稿日期: 2017-07-12
- 修回日期: 2017-08-04
- 刊出日期: 2017-12-20

Performance Prediction of Contra-rotating Propellers for Undersea Vehicle

School of Marine Science and Technology, Northwestern Polytechnical University, Xi′an 710072, China

摘要

摘要: 据雷-机-桨匹配关系提出适用于水下航行器对转螺旋桨的实航性能预估方法。由螺旋桨投影原理和桨叶型值坐标, 建立对转螺旋桨的3D模型。采用结构化六面体网格, 结合雷诺时均纳维斯托克斯(RANS)方程和Realizable 湍流模型对水下航行器对转螺旋桨实航状态进行数值仿真。根据发动机台架试验值和转矩平衡关系匹配后桨转速, 通过调整航行器计算航速使得对转螺旋桨推力与航行器阻力平衡。使用该方法得到的计算值与试验值吻合较好, 可以准确预报水下航行器对转螺旋桨的性能, 为进一步研究水下航行器对转螺旋桨性能提供参考。
- 水下航行器 /
- 对转螺旋桨 /
- 性能预估 /
- 数值仿真
Abstract: A method for predicting actual performance of the contra-rotating propeller(CRP) for an undersea vehicle is proposed based on the match relationship among undersea vehicle, engine and CRP. A three-dimensional model of CRP is built according to projection principle and paddle coordinates. A structured hexahedral mesh is used to numerically simulate the contra-rotating propellers for an undersea vehicle in navigation state on the basis of the Reynolds-averaged Navier-Stokes (RANS) equation and the realizable turbulence model. The aft propeller's rotational speed is matched according to the engine bench test data and the torque balance, and the balance between CRP thrust and resistance to vehicle is gained by adjusting the calculated speed of the vehicle. The calculated values obtained by this method are in good agreement with the experimental values, which implies that the proposed method can be used to accurately predict the performance of the contra-rotating propellers for an undersea vehicle.
- undersea vehicle /
- contra-rotating propellers /
- performance prediction /
- numerical simulation

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参考文献(14)

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