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高速风洞级间分离轨迹模拟试验技术

钱丰学 郭鹏 高鹏 刘奇 王元靖 易国庆

钱丰学,郭 鹏,高 鹏,等. 高速风洞级间分离轨迹模拟试验技术[J]. 实验流体力学,2021,35(5):1-9 doi: 10.11729/syltlx20200125
引用本文: 钱丰学,郭 鹏,高 鹏,等. 高速风洞级间分离轨迹模拟试验技术[J]. 实验流体力学,2021,35(5):1-9 doi: 10.11729/syltlx20200125
QIAN F X,GUO P,GAO P,et al. Stage separation trajectory simulation test technique in high speed wind tunnel[J]. Journal of Experiments in Fluid Mechanics, 2021,35(5):1-9. doi: 10.11729/syltlx20200125
Citation: QIAN F X,GUO P,GAO P,et al. Stage separation trajectory simulation test technique in high speed wind tunnel[J]. Journal of Experiments in Fluid Mechanics, 2021,35(5):1-9. doi: 10.11729/syltlx20200125

高速风洞级间分离轨迹模拟试验技术

doi: 10.11729/syltlx20200125
详细信息
    作者简介:

    钱丰学:(1971-),男,四川富顺人,研究员。研究方向:试验空气动力学。通信地址:四川省绵阳市北川县101信箱(621000)。E-mail:qianfengxueml@163.com

    通讯作者:

    E-mail:gpgp3020@163.com

  • 中图分类号: V211.71

Stage separation trajectory simulation test technique in high speed wind tunnel

  • 摘要: 针对多级航天器级间分离研究的地面试验需求,在高速风洞中发展了能够同时模拟前、后级运动的级间分离试验技术。利用风洞的上、下迎角机构,配置电机、传动系统和控制系统,建立了可变迎角和x向位移的上驱动机构,以及可变迎角、x向位移和y向位移的下驱动机构。分别将多级航天器的前、后级模型及测力天平与风洞上、下驱动机构连接,在级间分离计算机控制下,可开展前级迎角、后级迎角、前后级x向和y向相对位置协同模拟的轨迹模拟试验。调试和应用结果表明:上驱动机构可实现迎角–15°~15°、x向0~200 mm范围内的受控运动;下驱动机构可实现迎角–11°~49°、x向0~680 mm、y向0~507 mm范围内的受控运动;系统可用于常规测力试验、投放试验、网格测力试验和轨迹捕获试验。
  • 图  1  坐标系定义

    Figure  1.  Stage-separation coordinate systems

    图  2  FL-23三声速风洞

    Figure  2.  FL-23 sub-tran-supersonic wind tunnel

    图  3  FL-23风洞级间分离试验系统结构图

    Figure  3.  Stage-separation test system in FL-23 wind tunnel

    图  4  控制系统结构拓扑图

    Figure  4.  Stage-separation test control system

    图  5  级间分离试验流程图

    Figure  5.  Stage-separation test flow chart

    图  6  级间分离过程示意图

    Figure  6.  Diagram of stage-separation process

    图  7  网格测力试验结果(αp=0°)

    Figure  7.  Grid test results (αp=0°)

    图  8  网格测力试验结果(αp=5°)

    Figure  8.  Grid test results (αp=5°)

    图  9  轨迹捕获试验结果

    Figure  9.  Trajectory capture test results

    表  1  飞行器质量特性

    Table  1.   Mass properties of aircrafts

    质量m/kg转动惯量Iz /(kg·m2
    前级 500 618
    后级 500 103
    下载: 导出CSV

    表  2  分离初始条件

    Table  2.   Initial conditions of stage separation

    初始马赫数初始高度/km弹道倾角/(°)分离迎角/(°)分离速度/(m·s–1
    3.010–70010
    下载: 导出CSV
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出版历程
  • 收稿日期:  2020-10-17
  • 修回日期:  2020-11-14
  • 网络出版日期:  2021-09-14

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