内埋弹舱流动/振动/噪声多场载荷实验

王显圣; 周方奇; 徐来武; 吴军强; 路波; 杨党国

doi:10.7638/kqdlxxb-2021-0387

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内埋弹舱流动/振动/噪声多场载荷实验

专栏——内埋武器舱 | 更新时间：2026-05-28

- 内埋弹舱流动/振动/噪声多场载荷实验
- Experiments on multi-field loads of flow/vibration/noise induced by internal weapons bay
- 空气动力学学报 2022年40卷第3期页码：160-168
- 作者机构：
  
  1. 中国空气动力研究与发展中心空气动力学国家重点实验室,绵阳,621000
  2. 中国空气动力研究与发展中心高速空气动力研究所,绵阳,621000
- 作者简介：
  
  王显圣（1985-），男，吉林榆树人，副研究员，研究方向：高速空气动力学. E-mail：wxs2004@mail.ustc.edu.cn
  杨党国*，研究员，研究方向：非定常空气动力学、流固声耦合与控制技术. E-mail：yangdg-cardc@163.com
- 基金信息：
  
  国家自然科学基金（11602287）
- DOI：10.7638/kqdlxxb-2021-0387
  中图分类号： V211.7
- 纸质出版：2022
- 稿件说明：
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王显圣, 周方奇, 徐来武, 等. 内埋弹舱流动/振动/噪声多场载荷实验[J]. 空气动力学学报, 2022, 40(3): 160−168.

WANG Xiansheng, ZHOU Fangqi, XU Laiwu, et al. Experiments on multi-field loads of flow/vibration/noise induced by internal weapons bay[J]. 2022, 40(3): 160-168.
王显圣, 周方奇, 徐来武, 等. 内埋弹舱流动/振动/噪声多场载荷实验[J]. 空气动力学学报, 2022, 40(3): 160−168. DOI： 10.7638/kqdlxxb-2021-0387

WANG Xiansheng, ZHOU Fangqi, XU Laiwu, et al. Experiments on multi-field loads of flow/vibration/noise induced by internal weapons bay[J]. 2022, 40(3): 160-168. DOI： 10.7638/kqdlxxb-2021-0387.

摘要

针对内埋武器系统设计面临的多学科交叉问题，通过高速风洞实验，开展内埋弹舱流动/振动/噪声多场载荷实验研究，为内埋弹舱气动/结构一体化设计和作战环境评估提供支撑。基于相似原理，建立内埋弹舱流动/振动/噪声多场载荷实验技术，采用高时间分辨率多场载荷同步测试方法与时频数据处理方法，获取亚、跨、超声速条件下内埋弹舱多场载荷特征，分析多场载荷作用下内埋弹舱流动特性、共振条件和结构响应规律。结果显示，内埋弹舱非定常绕流促进了舱内复杂噪声环境的形成，噪声载荷与结构振动数据呈现强相关性。当舱内噪声模态频率与结构固有频率耦合时，内埋弹舱结构响应明显增强，在噪声载荷主频位置，结构振动谱出现峰值，此时噪声/振动数据相关性最大，且耦合频率范围的噪声谱能量提高显著。

Abstract

The characteristics of flow

vibration and noise were investigated experimentally for multidisciplinary design and multi-field loads evaluation of internal weapon bays. The self-sustained oscillations

which not only induce noise load

but also pose a potential threat to the structure

and seriously affect engineering applications of internal weapons bay. The interaction of flow

vibration and noise in the internal weapons bay plays an important role during the weapon release from the aircraft. The integrated simulation of multi-field loads provides an access to the flight effect evaluation and optimal design of the weapons bay. In the present study

similarity criteria of the incoming flow conditions

geometric and structural parameters were analyzed based on the similarity principle

and wind tunnel experiments were performed to simulate the coupling of flow

vibration and noise in the weapons bay. Experimental techniques including equipments and analysis methods were established to measure and resolve the multi-field loads. The time-resolved synchronous measurements of the flow structure

noise load and vibration response were conducted under subsonic

transonic and supersonic conditions. Results show that the coupling of flow-induced vibration and noise load can be enhanced by the unsteady cavity flow. Spectral analysis of the noise shows a significant effect of the multi-field loads on the structural vibration

especially when the peak frequency of the noise spectrum is close to the natural frequency of the structure. The structural vibration is enhanced near the coupling frequency

and energy of the noise spectrum is also enhanced with an increase of the overall sound pressure level inside the weapons bay.

关键词

Keywords

references

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