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论文:2012,Vol:30,Issue(5):689-693 |
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引用本文： |
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胡斌, 潘光, 杜晓旭, 黄桥高, 王一云. 基于分块网格技术的潜艇粘性绕流场数值计算研究[J]. 西北工业大学 |
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Hu Bin, Pan Guang, Du Xiaoxu, Huang Qiaogao, Wang Yiyun. Numerically Calculating Viscous Flow around a Full-Appendage Submarine Using Multi-Block Structural Grid[J]. Northwestern polytechnical university |
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| 基于分块网格技术的潜艇粘性绕流场数值计算研究 |
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| 胡斌, 潘光, 杜晓旭, 黄桥高, 王一云 |
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| 西北工业大学 航海学院, 陕西 西安 710072 |
| 摘要: |
| 文章首先建立了全附体潜艇的几何模型,基于分块网格技术耦合生成了全附体的SUBOFFAFF-8潜艇外流场高质量结构化网格,采用RANS雷诺时均方法和SST k-ω湍流模型,并基于有限体积法(FVM),对潜艇粘性绕流场进行了数值计算研究。给出了潜艇纵中剖面线上压力系数、壁面剪应力系数,指挥台围壳和上尾翼表面三个不同高度处压力系数的纵向分布,以及模型总阻力的数值计算结果;并与DTMB水池试验结果进行了对比。结果表明,文中采用的数值模拟方法精度较高,合理有效,为深入研究全附体潜艇粘性绕流场奠定了基础。 |
| 关键词:
计算流体力学
潜艇
分块网格技术
粘性流场
数值计算
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| Numerically Calculating Viscous Flow around a Full-Appendage Submarine Using Multi-Block Structural Grid |
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| Hu Bin, Pan Guang, Du Xiaoxu, Huang Qiaogao, Wang Yiyun |
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| College of Marine Engineering,Northwestern Polytechnical University,Xi'an 710072,China |
| Abstract: |
| Sections 1 and 2 of the full paper explain how we apply CFD (computational fluid dynamics) to calculat-ing the viscous flow around a full-appendage submarine.Their core consists of: (1) we establish the geometricmodel of the SUBOFF AFF-8 full-appendage submarine and generate the high-quality multi-block structural grid ofits flow field; (2) we use the Reynolds time-averaged method, the SST k-ω turbulence model and the finite volumemethod to numerically calculate the steady viscous flow around the submarine; (3) we give the longitudinal distri-butions of the pressure coefficient and wall shear stress coefficient along the upper meridian line and also the pres-sure coefficients at the three heights of the fairwater and the stern respectively; we also give the calculation resultsof the total resistance of the submarine and compare them with the experimental results obtained from the DTMB towtank in the U.S.The simulation results, given in Figs.4 through 9 and Table 1, and their analysis show prelimina-rily that the calculation results obtained with our method agree well with the experimental results obtained from theDTMB tow tank; this indicates that our numerical calculation method has high precision and is valid and effective, thus laying a solid foundation for the further study of the viscous flow around a submarine. |
| Key words:
computational fluid dynamics
models
numerical methods
pressure distribution
submarines
vis-cous flow;multi-block structural grid
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| 收稿日期: 2011-11-24
修回日期:
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| DOI: |
| 基金项目: 教育部“新世纪优秀人才支持计划”(NCET-09-0074);西北工业大学研究生创业种子基金(Z2012011)资助 |
| 通讯作者:
Email： |
| 作者简介: 胡斌(1988-)，西北工业大学硕士研究生，主要从事水下航行器总体设计、流体力学等的研究。
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| 胡斌 在本刊中的所有文章 |
| 潘光 在本刊中的所有文章 |
| 杜晓旭 在本刊中的所有文章 |
| 黄桥高 在本刊中的所有文章 |
| 王一云 在本刊中的所有文章 |
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参考文献: |
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[1] 邱辽原．潜艇粘性流场的数值模拟及其阻力预报的方法研究:[博士学位论文] ．武汉: 华中科技大学,2006Qiu Liaoyuan.Numerical Simulation of the Viscous Flow over the Submarine and Method Research on Predicting Its Viscous Re-sistance.Ph.D.Thesis,Wuhan: Huazhong University of Science and Technology,2006 (in Chinese)
[2] 胡志强,林 扬,谷海涛．水下机器人粘性类水动力数值计算方法研究.机器人,2007,29(2): 145-150Hu Zhiqiang,Lin Yang,Gu Haitao.On Numerical Computation of Viscous Hydrodynamics of Unmanned Underwater Vehicle．Robot,2007,29(2): 145-150 (in Chinese)
[3] Bull P.The Validation of CFD Predictions of Nominal Wake for the SUBOFF Fully Appended Geometry.Proceedings of 21stSymposium on Naval Hydrodynamics,Trondheim,Norway,1996
[4] 曾文德,王永生,杨琼方.全附体潜艇流噪声数值计算．兵工学报,2010,31(9): 1204-1208Zeng Wende,Wang Yongsheng,Yang Qiongfang.Numerical Calculation of Flow Noise of Submarine with Full Appendages.Ac-ta Armamentarii,2010,31(9): 1204-1208 (in Chinese)
[5] Liu H L,Huang T T.Summary of DARPA Suboff Experimental Program Data.Naval Surface Warfare Center Carderock Division(NSWCCD),1999 |
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