基于圆球型球鼻艏构型的兴波阻力减阻特性分析

张文山; 卢晓平

doi:10.3969/j.issn.1673-3185.2017.01.004

基于圆球型球鼻艏构型的兴波阻力减阻特性分析

doi: 10.3969/j.issn.1673-3185.2017.01.004

张文山,
卢晓平^,

海军工程大学舰船工程系, 湖北武汉 430033

详细信息

作者简介:
张文山, 男, 1991年生, 硕士生。研究方向:舰船水动力性能研究。E-mail:zwsrn0706@163.com

通信作者:
卢晓平(通信作者), 男, 1957年生, 博士, 教授。研究方向:舰船水动力性能研究。E-mail:luxiaoping100@163.com

中图分类号: U661.31⁺1
计量
- 文章访问数: 248
- HTML全文浏览量: 33
- PDF下载量: 167
- 被引次数: 0
出版历程
- 收稿日期: 2016-05-19
- 网络出版日期: 2016-12-28
- 刊出日期: 2017-01-07

Wave-making resistance reduction characteristics based on spherical bow configuration

Wenshan ZHANG,
Xiaoping LU^,

Department of Naval Architecture Engineering, Naval University of Engineering, Wuhan 430033, China

摘要

摘要: 球鼻艏减阻的机理至今尚未完全清晰，开展基于圆球型球鼻艏构型对兴波阻力影响机理的研究，对揭示球鼻艏的减阻机理，充分发挥球鼻艏对水面舰船的消波减阻效果具有基础性的重要意义。针对DTMB 5415船型，利用CFD计算软件STAR-CCM，分析前伸出球鼻艏主要构型参数对兴波阻力的影响及其机制。设置几组前伸出球鼻艏，其主要构型参数的前伸量与半径各异，结合采用已知试验数据和CFD计算数据分析阻力的变化规律，以及球鼻艏减阻的机理。结果表明，在特定的傅汝德数条件下，球鼻艏纵向位置和半径对兴波阻力的影响较为显著。
- 兴波阻力 /
- 球鼻艏构型 /
- DTMB 5415船型 /
- CFD
Abstract: Nowadays, the mechanism of a bulbous bow on resistance reduction is still ambiguous. By carry-ing out a study of wave-making resistance based on spherical bow configuration, we can reveal the truth of the problem and find out the effect of reducing resistance and suppressing waves of a bulbous bow on a sur-face combat ship. As such, the study is fundamentally meaningful. As to ship type DTMB 5415, CFD soft-ware STAR-CCM was utilized to analyze the effect and mechanism of the bulbous bow's main configuration parameters on wave-making resistance. To this end, several groups of extended bulbous bows with extend-ed reach and various radius parameters were first set up. Next, analyses were carried out of the variation of resistance and the mechanism of the bulbous bow on resistance reduction, which associate with the known experimental data and CFD calculated data. The final results show that, in certain circumstances, the Froude number, vertical position and radius of the bulbous bow have vital and obvious influences on wave-making resistance.
- wave-making resistance /
- bulbous bow configuration /
- DTMB 5415 ship type /
- Computational Fluid Dynamics (CFD)

HTML全文

图 1 计算模型DTMB 5415的01改型方案图示

Figure 1. The remodelment 01 scheme of calculation model DTMB 5415

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图 2 计算模型DTMB 5415的11改型方案图示

Figure 2. The remodelment 11 scheme of calculation model DTMB 5415

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图 3 计算模型DTMB 5415G型方案图示

Figure 3. The scheme of calculation model DTMB 5415G

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图 4 DTMB 5415最佳球鼻艏半径

Figure 4. The best radius of bulbous bow of DTMB 5415

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图 5 DTMB 5415总阻力试验与计算值的对比

Figure 5. Comparison of the total resistance coefficients between experiment values and calculated values with DTMB 5415

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图 6 DTMB 5415剩余阻力试验与计算值的对比

Figure 6. Comparison of the residual resistance coefficients between experiment values and calculated values with DTMB 5415

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图 7 改型01-05与改型11-05方案的兴波阻力系数对比

Figure 7. Comparison of wave-making resistance coefficients between remodelments 01-05 & 11-05

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图 8 改型01-06与改型11-06方案的兴波阻力系数对比

Figure 8. Comparison of wave-making resistance coefficients between remodelments 01-06 & 11-06

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图 9 原型与改型计算总阻力对比

Figure 9. Comparison of the total resistance coefficients between prototype and remodelments

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图 10 原型与改型计算剩余阻力对比

Figure 10. Comparison of the residual resistance coefficients between prototype and remodelments

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表 1 改型球鼻艏构型参数

Table 1. Bulbous bow configuration parameters of remodelments

改型编号	球鼻艏半径R/m	球鼻艏前伸量Δx/m	前伸占船长的比例/%
DTMB 5415G	-	-	-
DTMB 5415 01-05	0.129 4	0.171 6	3.0
DTMB 5415 01-06	0.129 4	0.2574	4.5
DTMB 5415 11-05	0.1294	0.171 6	3.0
DTMB 5415 11-06	0.1294	0.2574	4.5
DTMB 5415 12-06	0.141 0	0.2574	4.5

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