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泵喷定子襟翼作动对转子非定常力抑制方法数值研究

汤王豪 黄修长 饶志强 华宏星

汤王豪, 黄修长, 饶志强, 等. 泵喷定子襟翼作动对转子非定常力抑制方法数值研究[J]. 中国舰船研究, 2023, 19(6): 1–9 doi: 10.19693/j.issn.1673-3185.023229
引用本文: 汤王豪, 黄修长, 饶志强, 等. 泵喷定子襟翼作动对转子非定常力抑制方法数值研究[J]. 中国舰船研究, 2023, 19(6): 1–9 doi: 10.19693/j.issn.1673-3185.023229
TANG W H, HUANG X C, RAO Z Q, et al. Numerical investigation on unsteady force suppression of pump-jet rotor by oscillating stator trailing edge flaps[J]. Chinese Journal of Ship Research, 2023, 19(6): 1–9 doi: 10.19693/j.issn.1673-3185.023229
Citation: TANG W H, HUANG X C, RAO Z Q, et al. Numerical investigation on unsteady force suppression of pump-jet rotor by oscillating stator trailing edge flaps[J]. Chinese Journal of Ship Research, 2023, 19(6): 1–9 doi: 10.19693/j.issn.1673-3185.023229

泵喷定子襟翼作动对转子非定常力抑制方法数值研究

doi: 10.19693/j.issn.1673-3185.023229
基金项目: 上海交通大学深蓝计划资助项目(SL2021MS007);上海高校东方学者特聘教授岗位跟踪计划;上海市科委启明星资助项目(18QA1402000)
详细信息
    作者简介:

    汤王豪,男,1999年生,博士生。研究方向:泵喷推进器流致振动。E-mail:tbb395591096@sjtu.edu.cn

    黄修长,男,1983年生,博士,研究员。研究方向:流致振动、动力学建模与分析。E-mail:xchhuang@sjtu.edu.cn

    通信作者:

    黄修长

  • 中图分类号: U664.34

Numerical investigation on unsteady force suppression of pump-jet rotor by oscillating stator trailing edge flaps

知识共享许可协议
泵喷定子襟翼作动对转子非定常力抑制方法数值研究汤王豪,等创作,采用知识共享署名4.0国际许可协议进行许可。
  • 摘要:   目的  转子非定常力是泵喷推进器轴系振动的主要激励源,其产生机理和抑制机理受转−定子干扰流动的影响,需研究其抑制方法。  方法  在泵喷推进器定子后缘引入襟翼结构,利用襟翼作动产生二次流动,改变转子入流条件,调控转−定子干扰流动,达到抑制转子非定常力的目的。以具有前置定子襟翼的Suboff全附体艇后泵喷推进器为研究对象,采用基于SST k-ω湍流模型的URANS方法和动网格技术建立可实现定子襟翼作动的数值模型。针对转子非定常力转子叶频分量的抑制,给出定子襟翼作动规律的表达式。  结果  结果显示,在襟翼作动最优控制下,泵喷的水动力性能变化不超过1%,转子轴向非定常力在转子叶频处下降了83.35%,单个转子叶片轴向非定常力在转子叶频处降低了81.80%;襟翼作动对定子尾迹与转子入流速度的调控是抑制转子非定常力的机理。  结论  研究表明,最优控制下的定子襟翼作动能够在保持水动力性能的同时使转子非定常力特征线谱得到显著抑制,可为泵喷推进器的叶频等线谱控制提供一种新的思路。
  • 图  泵喷推进器与尾缘襟翼结构示意

    Figure  1.  Structure of pump-jet propulsor and stator tailing edge flaps

    图  计算域的划分及边界条件

    Figure  2.  Computational domains and boundary conditions

    图  计算网格

    Figure  3.  Computational grids

    图  转子轴向非定常力

    Figure  4.  Axial unsteady force of the rotor

    图  转子侧向非定常力

    Figure  5.  Lateral unsteady force of the rotor

    图  转子单个叶片轴向非定常力

    Figure  6.  Axial unsteady force of a single blade of the rotor

    图  不同径向位置处定子尾迹速度损失系数的周向分布

    Figure  7.  Circumferential distribution of stator wake velocity loss coefficient at different radial positions

    图  转子入流速度

    Figure  8.  Velocities at the upstream of the rotor

    表  泵喷推进器各部件参数

    Table  1.  Parameters of different parts for the pump-jet propulsor

    参数数值
    导管翼型NACA 4412
    导管弦长Lduct /mm190
    导管入口端直径Dduct,in /mm260
    导管出口端直径Dduct,out /mm232
    转子叶片翼型NACA 66 mod & NACA a = 0.8
    转子叶片数Zrotor5
    转子直径Drotor /mm240
    转子毂径比Dhub /Drotor0.273
    定子导叶翼型NACA 66 mod & NACA a = 0.8
    定子叶片数Zstator7
    定子预旋角Astator /(°)7.5
    定子弦长Lstator /mm50
    下载: 导出CSV

    表  不同网格下Suboff艇(无推进器)的阻力计算结果

    Table  2.  Calculation results of resistance of Suboff (without propulsor) under different grids

    来流速度/(m∙s−1)试验值/NGrid-Suboff-1 (483×104)Grid-Suboff-2 (1 267×104)Grid-Suboff-3 (2 632×104)
    计算值/N误差/%计算值/N误差/%计算值/N误差/%
    3.05102.30101.50.77102.10.20102.20.09
    5.14283.80271.34.40277.82.11278.61.83
    6.10389.20373.24.11378.52.75380.42.26
    7.16526.60505.63.99515.12.18518.61.52
    8.23675.60653.13.33665.91.43668.21.10
    下载: 导出CSV

    表  不同网格下泵喷推进器水动力性能计算结果

    Table  3.  Calculation results of hydrodynamics performance of pump-jet propulsor for different grids

    计算模型网格数定常计算SST k-ω
    N = 780 r/min,uinlet = 3.05 m/s
    推力/N相对误差/%扭矩/(N∙m)相对误差/%
    Grid-PJ-1721×104635.170.6939.1811.11
    Grid-PJ-21 137×104637.120.3939.4190.51
    Grid-PJ-31 708×104639.110.0839.5790.11
    Grid-PJ-42 132×104639.59039.6210
    下载: 导出CSV

    表  各计算域网格数

    Table  4.  Number of grids in computational domains

    计算域网格数
    背景计算域881.1×104
    导管域163.9×104
    定子域236.4×104
    转子域593.7×104
    襟翼域143.1×104
    全域2 018.1×104
    下载: 导出CSV

    表  不同工作状态下的水动力计算结果

    Table  5.  Hydrodynamics calculation results under different working conditions

    推力系数KT推力系数变化率ΔKT/%扭矩系数10KQ扭矩系数变化率ΔKQ/%效率η效率变化率Δη/%
    基准模型0.365 100.902 000.64450
    襟翼静止0.367 30.602 60.904 60.288 20.646 30.279 3
    襟翼作动(最优控制)0.366 80.907 20.907 20.576 50.643 6−0.139 6
    下载: 导出CSV
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出版历程
  • 收稿日期:  2022-12-23
  • 修回日期:  2023-02-16
  • 网络出版日期:  2023-04-21

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