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

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

汤王豪^{1, 2,},
黄修长^{1, 2, 3, ,},
饶志强^{1, 2, 3},
华宏星^{1, 2, 3}

1.
上海交通大学振动、冲击、噪声研究所，上海 200240
2.
上海交通大学机械系统与振动国家重点实验室，上海 200240
3.
船海特装和动力系统国家工程中心，上海 200240

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
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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

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

TANG Wanghao^{1, 2
,},
HUANG Xiuchang^{1, 2, 3
, ,},
RAO Zhiqiang^{1, 2, 3},
HUA Hongxing^{1, 2, 3}

1.
Institute of Vibration, Shock and Noise , Shanghai Jiao Tong University, Shanghai, 200240
2.
State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai, 200240
3.
National Engineering Research Center of Special Equipment and Power System for Ship and Marine Engineering, Shanghai, 200240

泵喷定子襟翼作动对转子非定常力抑制方法数值研究由汤王豪，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

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。
- 泵喷推进器 /
- 非定常力 /
- 襟翼作动 /
- 转−定子干扰 /
- 流动调控
Abstract: Objectives The unsteady force of the rotor is the main excitation source of pump-jet shafting vibration, and rotor-stator interaction has an important impact on the characteristics of the unsteady force. Therefore, the suppression method of pump-jet unsteady force should be studied. Methods Oscillating flaps are introduced onto the trailing edge of the stator. The secondary flow generated by the flaps is used to affect the rotor inflow conditions so as to suppress the unsteady force of the rotor. A numerical model is established on the basis of the unsteady Reynolds-averaged Navier-Stokes equation (URANS) method of the shear stress transport (SST k-ω) turbulence model, and a SUBOFF with full appendages and a pump-jet with stator trailing edge flaps is taken as the research object. Aiming at suppressing the unsteady force amplitude at the rotor blade passing frequency, the oscillating law of the stator flaps is given. Results The results show that under the optimal control of the flaps, the hydrodynamic performance of the pump-jet varies by less than 1%, the axial unsteady force of the rotor decreases by 83.35% at the rotor blade pass frequency (BPF) and that of a single rotor blade decreases by 81.8% at the rotor BPF. Further analysis shows that the oscillating flaps can manipulate the stator wake and velocity on the rotor inlet plane. Conclusions The results show that stator trailing edge flaps can significantly suppress the characteristic line spectrum of rotor unsteady force while maintaining hydrodynamic performance, which will shed some light on controlling the BPF line spectra of pump-jets.
- pump-jet propulsor /
- unsteady force /
- oscillating stator flaps /
- stator-rotor interaction /
- active flow control

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图 1 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

下载: 全尺寸图片幻灯片

图 2 计算域的划分及边界条件

Figure 2. Computational domains and boundary conditions

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图 3 计算网格

Figure 3. Computational grids

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图 4 转子轴向非定常力

Figure 4. Axial unsteady force of the rotor

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图 5 转子侧向非定常力

Figure 5. Lateral unsteady force of the rotor

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图 6 转子单个叶片轴向非定常力

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

下载: 全尺寸图片幻灯片

图 7 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

下载: 全尺寸图片幻灯片

图 8 转子入流速度

Figure 8. Velocities at the upstream of the rotor

下载: 全尺寸图片幻灯片

表 1 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L_duct /mm	190
导管入口端直径D_duct,in /mm	260
导管出口端直径D_duct,out /mm	232
转子叶片翼型	NACA 66 mod & NACA a = 0.8
转子叶片数Z_rotor	5
转子直径D_rotor /mm	240
转子毂径比D_hub /D_rotor	0.273
定子导叶翼型	NACA 66 mod & NACA a = 0.8
定子叶片数Z_stator	7
定子预旋角A_stator /(°)	7.5
定子弦长L_stator /mm	50

下载: 导出CSV

表 2 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/N	Grid-Suboff-1 (483×10⁴)		Grid-Suboff-2 (1 267×10⁴)		Grid-Suboff-3 (2 632×10⁴)
来流速度/(m∙s⁻¹)	试验值/N	计算值/N	误差/%	计算值/N	误差/%	计算值/N	误差/%
3.05	102.30	101.5	0.77	102.1	0.20	102.2	0.09
5.14	283.80	271.3	4.40	277.8	2.11	278.6	1.83
6.10	389.20	373.2	4.11	378.5	2.75	380.4	2.26
7.16	526.60	505.6	3.99	515.1	2.18	518.6	1.52
8.23	675.60	653.1	3.33	665.9	1.43	668.2	1.10

下载: 导出CSV

表 3 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，u_inlet = 3.05 m/s
计算模型	网格数	推力/N	相对误差/%	扭矩/(N∙m)	相对误差/%
Grid-PJ-1	721×10⁴	635.17	0.69	39.181	1.11
Grid-PJ-2	1 137×10⁴	637.12	0.39	39.419	0.51
Grid-PJ-3	1 708×10⁴	639.11	0.08	39.579	0.11
Grid-PJ-4	2 132×10⁴	639.59	0	39.621	0

下载: 导出CSV

表 4 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 5 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K_T	推力系数变化率ΔK_T/%	扭矩系数10K_Q	扭矩系数变化率ΔK_Q/%	效率η	效率变化率Δη/%
基准模型	0.365 1	0	0.902 0	0	0.6445	0
襟翼静止	0.367 3	0.602 6	0.904 6	0.288 2	0.646 3	0.279 3
襟翼作动（最优控制）	0.366 8	0.907 2	0.907 2	0.576 5	0.643 6	−0.139 6

下载: 导出CSV

参考文献(27)

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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

doi: 10.19693/j.issn.1673-3185.023229

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

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

计量

目录

留言板

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

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

计量

出版历程

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

计量

出版历程

目录

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