内埋武器高速投放风洞试验技术

doi:10.7527/S1000-6893.2016.0177

流体力学与飞行力学

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内埋武器高速投放风洞试验技术

薛飞¹, 金鑫², 王誉超¹, 杨益农¹

1. 中国航天空气动力技术研究院, 北京 100074;
2. 中航工业成都飞机设计研究所, 成都 610091

收稿日期:2016-01-25 修回日期:2016-06-03 出版日期:2017-01-15 发布日期:2016-06-06
通讯作者: 杨益农,E-mail:yyn139e@139.com E-mail:yyn139e@139.com
基金资助:
武器装备预先研究基金

Wind tunnel test technique on high speed weapon delivery from internal weapons bay

XUE Fei¹, JIN Xin², WANG Yuchao¹, YANG Yinong¹

1. China Academy of Aerospace Aerodynamics, Beijing 100074, China;
2. AVIC Chengdu Aircraft Design & Research Institute, Chengdu 610091, China

Received:2016-01-25 Revised:2016-06-03 Online:2017-01-15 Published:2016-06-06
Supported by:
Weapon Equipment Fund of Advanced Research

摘要/Abstract

摘要：

在0.6 m×0.6 m量级亚跨超声速风洞开展了内埋武器弹射试验技术研究。研制的风洞双视角、高亮度光路系统和六自由度（6 DOF）图像分析系统，可获得飞行器内埋武器弹射投放物全轨迹图像和气动参数。此试验技术可独立调节投放物弹射速度和角速度，并可保证弹射速度误差≤5%，角速度误差≤10%，重复率≥95%；新研制的高亮度光源系统使拍摄图像清晰度更高，模型迎角辨识精度≤0.2°，有利于模型运动轨迹分析；光路系统得到合理设计，便于使用双视角技术得到模型运动轨迹及6 DOF数据。新技术已完成亚跨超声速、多体干扰复杂气动力条件下的风洞试验验证，各项参数均达到或优于已有技术指标，并多次为型号试验服务，满足飞行器内埋武器弹射投放风洞试验研究需求。

关键词: 高速投放, 内埋武器发射, 机弹干扰, 多体分离, 六自由度

Abstract:

The investigation of high speed weapon delivery from internal weapons bay is conducted in a 0.6 m×0.6 m sub-transonic and supersonic wind tunnel. The double-perspective technology, brighter optical path system and image analysis system of six degrees of freedom (6 DOF) are developed to obtain the models' images and the aerodynamic parameters at a high speed separation from carriers' internal weapons bay. The test technology can adjust the velocity and angular velocity independently, and ensure the speed error ≤5%, angular velocity error ≤10%, and repetition rate ≥95%. The data analysis is reliable because the test images are clearer due to using the brighter light source, and the precision of attack angle ≤0.2°. The optical paths are reasonable designed, and the double-perspective technology guarantees that the models' movement path and 6 DOF motion data are acquired. The new technology has been tested in a sub-transonic and supersonic wind tunnel, and has completed a complex multi-body separation test. The parameters are at or better than the existing technical indicators. The technology has served for the model test for many times, and meets the requirements of the wind tunnel test and research on the high speed separation from carriers' internal weapons bay.

Key words: high speed weapon delivery, missile firing from internal weapons bay, carrier and missile interference, multi-body separation, six degrees of freedom

中图分类号:

V211.7

薛飞, 金鑫, 王誉超, 杨益农. 内埋武器高速投放风洞试验技术[J]. 航空学报, 2017, 38(1): 120114-120114.

XUE Fei, JIN Xin, WANG Yuchao, YANG Yinong. Wind tunnel test technique on high speed weapon delivery from internal weapons bay[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2017, 38(1): 120114-120114.

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E-mail：hkxb@buaa.edu.cn

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主管单位：中国科学技术协会主办单位：中国航空学会北京航空航天大学

内埋武器高速投放风洞试验技术

Wind tunnel test technique on high speed weapon delivery from internal weapons bay

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