基于CVG的滑跃甲板尾流抑制

杨穆清; 张良; 马东立

doi:10.7638/kqdlxxb-2022.0111

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基于CVG的滑跃甲板尾流抑制

研究专栏——机-舰耦合流场计算与分析 | 更新时间：2026-05-28

- 基于CVG的滑跃甲板尾流抑制
- Airwake reduction of ski-jump ramp based on CVG
- 空气动力学学报 2023年41卷第3期页码：89-100
- 作者机构：
  
  北京航空航天大学航空科学与工程学院,北京,100191
- 作者简介：
  
  杨穆清（1985-），山东青岛人，博士，副教授，研究方向：无人机技术，空气动力学. E-mail：qingfengrumu@163.com
  张良*（1992-），山东青州人，博士后，研究方向：无人机技术，空气动力学. E-mail：microbeast@126.com
- 基金信息：
- DOI：10.7638/kqdlxxb-2022.0111
  中图分类号： V211.3
- 纸质出版：2023
- 稿件说明：
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杨穆清, 张良, 马东立. 基于CVG的滑跃甲板尾流抑制[J]. 空气动力学学报, 2023, 41(3): 89−100.

YANG Muqing, ZHANG Liang, MA Dongli. Airwake reduction of ski-jump ramp based on CVG[J]. 2023, 41(3): 89-100.
杨穆清, 张良, 马东立. 基于CVG的滑跃甲板尾流抑制[J]. 空气动力学学报, 2023, 41(3): 89−100. DOI： 10.7638/kqdlxxb-2022.0111

YANG Muqing, ZHANG Liang, MA Dongli. Airwake reduction of ski-jump ramp based on CVG[J]. 2023, 41(3): 89-100. DOI： 10.7638/kqdlxxb-2022.0111.

摘要

滑跃甲板对于提高舰载机起飞性能有重要意义，但是滑跃甲板会加剧舰尾流的湍流度，造成甲板上方和下滑线附近气流高度不稳定，影响舰载机起降安全。本文采用RANS/LES混合的DES方法，对平直甲板和滑跃甲板尾流进行数值模拟。结果表明，滑跃甲板后方存在巨大的分离区，对甲板上表面和着舰下滑线附近气流产生很大的影响，导致甲板附近

方向风速度降低，提高了对舰载机起飞和降落速度的要求。同时，速度波动幅值增大，对舰载机精准航迹控制有不利影响。为有效抑制滑跃甲板造成的舰尾流影响，提出了一种基于柱状涡流发生器（cylindrical vortex generators

CVG）的滑跃甲板尾流抑制方法，可有效降低滑跃甲板产生的影响。柱状涡流发生器可以有效减弱滑跃甲板导致的前甲板分离区，使得甲板流场更加稳定。相比无CVG时，有CVG时甲板

方向风速更高，风速波动功率谱密度（PSD）降低20～40 dB，恢复到与平直甲板相当的程度，可有效提高舰载机的起降安全性。

Abstract

Ski-jump ramp is of great significance to improve the takeoff performance of carrier based aircraft. However

the ski-jump ramp produces stronger air-wake than that of the flat deck

resulting in unstable air flow above the deck and near the glide line

that can affect the takeoff and landing safety of the carrier based aircraft. Using the DES turbulence model mixed with RANS and LES

CFD computations were performed to simulate air wakes of the flat and ski-jump decks. The comparison shows that there is a huge separation bubble behind the ski-jump ramp

which has a great impact on the air flow on the up

per surface of the deck and near the landing glide line

leading to the reduction of the

-velocity of the wind over the deck as well as the increase of the takeoff and landing speeds of the carrier aircraft. Meanwhile

the amplitude of velocity fluctuations is also increased by the separation bubble

and this brings difficulty in accurate track control of the carrier aircraft. In order to effectively suppress the air wake caused by the ski-jump ramp

the control based on cylindrical vortex generators (CVG) has been proposed. Due to the existence of CVG

the flow around the upper surface of the ski-jump ramp is changed from separated flow to attached flow

and it greatly reduces the fluctuation amplitude of the air flow on the upper surface of the ski-jump deck. Compared to the case without CVG

the

-velocity of the wind over the deck is increased

and the PSD of the wind velocity fluctuation is reduced by 20 to 40 dB

restored to the same level as that of the flat deck

thus effectively improving the take-off and landing safety of the carrier aircraft.

关键词

Keywords

references

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