Hypersonic N-2 boundary layer flow velocity profile measurements using FLEET

Hill Jonathan L.; Hsu Paul S.; Jiang Naibo; Grib Stephen W.; Roy Sukesh; Borg Matthew; Thomas Levi; Reeder Mark; Schumaker Stephen A.

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Hypersonic N-2 boundary layer flow velocity profile measurements using FLEET

机译：超声波N-2边界层流速轮廓谱使用船队测量

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Femtosecond laser electronic excitation tagging (FLEET) velocimetry was used in the boundary layer of an ogivecylinder model in a Mach-6 Ludwieg tube. One-dimensional velocity profiles were extracted from the FLEET signal in laminar boundary layers from pure N-2 flows at unit Reynolds numbers ranging from 3.4 x 10(6)/m to 3.9 x 10(6)/m. The effects of model tip bluntness and the unit Reynolds number on the velocity profiles were investigated. The challenges and strategies of applying FLEET for direct boundary layer velocity measurement are discussed. The potential of utilizing FLEET velocimetry for understanding the dynamics of laminar and turbulent boundary layers in hypersonic flows is demonstrated. (C) 2021 Optical Society of America

机译：在马赫数为6的路德维格管中，飞秒激光电子激发标记（FLEET）测速技术被用于奥吉圆柱模型的边界层。从层流边界层中的FLEET信号中提取了单位雷诺数为3.4 x 10（6）/m至3.9 x 10（6）/m的纯N-2流的一维速度剖面。研究了模型尖端钝度和单位雷诺数对速度剖面的影响。讨论了应用FLEET直接测量边界层速度的挑战和策略。展示了利用快速测速技术了解高超音速流动中层流和湍流边界层动力学的潜力。（2021）美国光学学会

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《Applied optics》 |2021年第15期|共9页
作者
Hill Jonathan L.; Hsu Paul S.; Jiang Naibo; Grib Stephen W.; Roy Sukesh; Borg Matthew; Thomas Levi; Reeder Mark; Schumaker Stephen A.;
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Air Force Inst Technol Dept Aeronaut &

Astronaut Wright Patterson AFB OH 45433 USA;

Spectral Energies LLC Beavercreek OH 45431 USA;

Spectral Energies LLC Beavercreek OH 45431 USA;

Spectral Energies LLC Beavercreek OH 45431 USA;

Spectral Energies LLC Beavercreek OH 45431 USA;

Aerosp Syst Directorate Air Force Res Lab Wright Patterson AFB OH 45433 USA;

Air Force Inst Technol Dept Aeronaut &

Astronaut Wright Patterson AFB OH 45433 USA;

Air Force Inst Technol Dept Aeronaut &

Astronaut Wright Patterson AFB OH 45433 USA;

Aerosp Syst Directorate Air Force Res Lab Wright Patterson AFB OH 45433 USA;

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正文语种 eng
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2. Flat-plate hypersonic boundary-layer flow instability and transition prediction considering air dissociation [J] . Yufeng HAN, Wei CAO 应用数学和力学（英文版） . 2019,第005期
3. Prediction of hypersonic boundary layer transition on sharp wedge flow considering variable specific heat [J] . Xu MAO, Wei CAO 应用数学和力学（英文版） . 2014,第002期
4. APS -70th Annual Meeting of the APS Division of Fluid Dynamics- Event - Comparison of a simulated velocity profile of a turbulent boundary layer with measurements obtained by Femtosecond Laser Electronic Excitation Tagging (FLEET) [J] . Matthew New-Tolley, Yibin Zhang, Mikhail Shneider, Bulletin of the American Physical Society . 2017,第14期

机译：APS-流体动力学APS部门第70届年会-事件-湍流边界层的模拟速度曲线与飞秒激光电子激发标记（FLEET）获得的测量结果的比较
5. A multi-frequency Acoustic Concentration and Velocity Profiler (ACVP) for boundary layer measurements of fine-scale flow and sediment transport processes [J] . David Hurther, Peter D. Thorne, Mickaeel Bricault, Coastal engineering . 2011,第7期

机译：多频率声速和声速剖面仪（ACVP），用于精细流和泥沙输送过程的边界层测量
6. Spatial-resolved laser Doppler velocity profile measurement of boundary layer flows [J] . J. Czarske, L. Buttner, T. Razik, Technisches Messen: Sensoren, Gerate, Systeme . 2003,第2期

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7. Non-intrusive Hypersonic Freestream and Turbulent Boundary-Layer Velocity Measurements in AEDC Tunnel 9 using FLEET [C] . Laura E. Dogariu, Arthur Dogariu, Richard B. Miles, AIAA aerospace sciences meeting;AIAA SciTech forum . 2018

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机译：超音速流动盘式平板表面压力和层流边界层的实验研究。 Ⅱ平板上的层状边界层剖面

Hypersonic N-2 boundary layer flow velocity profile measurements using FLEET

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