电弧加热器湍流平板试验流场计算分析

罗跃; 周玮; 杨鸿; 陈卫

doi:10.11729/syltlx20160088

电弧加热器湍流平板试验流场计算分析

doi: 10.11729/syltlx20160088

罗跃^{1, 2, ,},
周玮¹,
杨鸿¹,
陈卫¹

1.
中国空气动力研究与发展中心, 四川绵阳 621000
2.
四川大学制造科学与工程学院, 成都 610065

详细信息

通讯作者:
罗跃 (1980-), 男, 四川内江人, 工程师。研究方向:高超声速飞行器热防护试验及测试技术研究。通信地址:四川省绵阳市中国空气动力研究与发展中心 (621000)。E-mail:myheater@sohu.com

中图分类号: V211.74⁺4
计量
- 文章访问数: 169
- HTML全文浏览量: 80
- PDF下载量: 3
- 被引次数: 0
出版历程
- 收稿日期: 2016-06-01
- 修回日期: 2016-09-26
- 刊出日期: 2017-04-25

CFD analysis of the arc heater turbulent flow field of flat plate testing

Luo Yue^{1, 2
, ,},
Zhou Wei¹,
Yang Hong¹,
Chen Wei¹

1.
China Aerodynamics Research and Development Center, Mianyang Sichuan 621000, China
2.
College of Manufacturing Science and Engineering, Sichuan University, Chengdu 610065, China

摘要

摘要: 近年来新发展的变迎角方法增加了电弧加热器湍流平板试验的可控参数，大幅提升了试验模拟能力，但同时也增加了状态调试的复杂性。本文基于FLUENT软件，采用CFD方法分析了不同试验工况下的流场特性。通过与典型试验状态的测试数据比较，验证了计算方法的有效性，定量地给出不同弧室压力和模型迎角条件下校测平板表面主要气动热参数分布，结合流场激波反射、干扰和附面层分离等现象，总结分析了试验控制参数的影响规律，并根据研究结果提出了试验的基本原则。
- 电弧加热器 /
- 平板试验 /
- 流场特性 /
- 数值模拟 /
- 校测
Abstract: The statement debugging is important but time-consuming work in the arc-heated turbulent flat plate testing. Specially, with the development of the alerting angle method in recent years, the debugging becomes more complex and further consuming in both time and cost. In order to guide the experiments, some CFD analyses of the flow characteristics under different testing conditions are completed with the FLUENT software. By comparing to the experimental measurements of a calibration-plate under some representative conditions, the numerical method is verified firstly. At the same time, the distributions of the primary aerothermal parameters over the plate surface are provided quantitatively under various attack angles and total pressures. Furthermore, by analyzing the shock wave reflection, interaction and boundary layer separation, the rules of the impact of the control parameters to the flow field and some basic principles in experiments are summarized.
- arc heater /
- flat plate test /
- flow field characteristic /
- numerical simulation /
- calibration

HTML全文

图 1 电弧湍流平板试验原理

Figure 1. Scheme of arc-heated turbulent flat plate testing

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图 2 计算域及边界条件

Figure 2. Domain and boundary condition

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图 3 生成的网格

Figure 3. Grid generation

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图 4 校测板

Figure 4. Calibration plate

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图 5 测点分布

Figure 5. Distributing of measurement spot

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图 6 试验过程照片

Figure 6. Photo of testing

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图 7 表面热流计算结果与测试数据对比

Figure 7. Comparison of computed surface heat flux of the calibration plate with the test data

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图 8 表面压力计算结果与测试数据对比

Figure 8. Comparison of computed surface pressure of the calibration plate with the test data

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图 9 不同迎角气流马赫数云图

Figure 9. Computed flowfield Mach number contours of various angle

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图 10 不同迎角气流静压云图

Figure 10. Computed flowfield pressure contours of various angle

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图 11 不同迎角校测模型表面压力数值计算与工程计算

Figure 11. CFD computed and inferred surface pressure of the calibration plate with various angle

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图 12 不同迎角校测模型表面热流分布

Figure 12. Computed surface heat flux of the calibration plate with various angle

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图 13 不同迎角校测模型表面压力分布

Figure 13. Computed surface pressure of the calibration plate with various angle

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图 14 拐角处流场流线图

Figure 14. Computed pathline of flowfield on corner

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图 15 不同总压流场马赫数云图

Figure 15. Computed flowfield Mach number contours of various inlet total pressure

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图 16 不同总压流场静压云图

Figure 16. Computed flowfield pressure of various inlet total pressure

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图 17 不同弧室压力模型表面热流分布

Figure 17. Computed surface heat flux of the calibration plate with various total pressure

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图 18 不同弧室压力模型表面压力分布

Figure 18. Computed surface pressure of the calibration plate with various total pressure

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