[HTML][HTML] 高超声速边界层转捩预测中的关键科学问题——感受性, 扰动演化及转捩判据研究进展

苏彩虹 - 空气动力学学报, 2020 - html.rhhz.net
随着临近空间高超声速飞行技术的发展, 预测高超声速边界层转捩位置的需求变得越来越迫切.
由于高超声速实验很难做, 不可能做得很多, 因此像低速飞行器那样的半经验预测方法恐怕很难 …

Direct numerical simulations of hypersonic boundary-layer transition for a straight cone at Mach 5

C Hader, N Deng, HF Fasel - AIAA Scitech 2021 Forum, 2021 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2021-0743. vid Direct Numerical
Simulations (DNS) were carried out in order to investigate laminar-turbulent boundary-layer …

Characterization of instability mechanisms on sharp and blunt slender cones at Mach 6

RE Kennedy, JS Jewell, P Paredes… - Journal of Fluid …, 2022 - cambridge.org
Experiments are performed to investigate the effect of nose-tip bluntness on the instability
mechanisms leading to boundary-layer transition on a, the schlieren visualization region is …

Final design of the boundary layer transition (BOLT) flight experiment

BM Wheaton, DC Berridge, TD Wolf, DB Araya… - Journal of Spacecraft …, 2021 - arc.aiaa.org
To improve scientific knowledge of boundary-layer transition physics on increasingly
complex geometries, the Air Force Research Laboratory/Air Force Office of Scientific …

Implementation of self-aligned focusing Schlieren for hypersonic boundary layer measurements

JL Hill, MP Borg, EK Benitez, CL Running… - AIAA SciTech 2023 …, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-2438. vid A self-aligned focusing
schlieren (SAFS) apparatus based on a recently published design is implemented for the …

Effects of nose bluntness on hypersonic boundary-layer receptivity and stability

H Goparaju, S Unnikrishnan… - Journal of Spacecraft and …, 2021 - arc.aiaa.org
High-speed laminar-to-turbulent transition over blunt bodies is relevant to a variety of
aerodynamic applications. Experiments have observed that beyond a critical value of the …

Effect of surface cooling on second-mode dominated hypersonic boundary layer transition

R Oddo, JL Hill, MF Reeder, D Chin, J Embrador… - Experiments in …, 2021 - Springer
Experiments were performed in the low-enthalpy AFRL Mach 6 Ludwieg Tube to investigate
the effects of surface temperature on hypersonic boundary layer transition. The test article for …

Observation-infused simulations of high-speed boundary-layer transition

DA Buchta, TA Zaki - Journal of Fluid Mechanics, 2021 - cambridge.org
High-speed boundary-layer transition is extremely sensitive to the free-stream disturbances
which are often uncertain. This uncertainty compromises predictions of models and …

Instability measurements in hypersonic flow on a three-dimensional cone-slice-ramp geometry

A Pandey, KM Casper, DR Guildenbecher… - AIAA Scitech 2022 …, 2022 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2022-1578. vid This study explores the
instability waves occuring at Mach 8 on a slender cone with an axial slice that is followed by …

Research on transonic flow of nozzle contractions for providing an asymptotic solution

B Zhang, S Yi, Y Zhao, R Yang, L He, X Lu - Physics of Fluids, 2023 - pubs.aip.org
The effect of a contraction on the flow in a supersonic nozzle is investigated, and
improvements are made to provide an accurate asymptotic solution of transonic flow. Owing …