Surface integrity of drilling Ti-6Al-4V micro-holes using the ultrashort pulse laser with different three-dimensional paths planning

S Ai, G Xiao, Z Deng, Y Huang, S Liu, O Lin… - Journal of Manufacturing …, 2023 - Elsevier
The improvement of aero-engine performance posed a challenge to the heat dissipation
ability of blades, resulting in a substantial increase in the demand for micron-sized (≤ 1 mm) …

Measurement of hypersonic turbulent boundary layer on a flat plate using cylindrical focused laser differential interferometer

R Huang, W Liu, J Cheng, J Wu - Physics of Fluids, 2023 - pubs.aip.org
ABSTRACT A modified Cylindrical-Focused Laser Differential Interferometer (CFLDI) system
was used to measure the density fluctuations generated by a Mach 6 turbulent boundary …

Experimental study on surface arc plasma actuation-based hypersonic boundary layer transition flow control

Y Hesen, H Liang, GUO Shanguang… - Plasma Science and …, 2022 - iopscience.iop.org
Effective control of hypersonic transition is essential. In order to avoid affecting the structural
profile of the aircraft, as well as reducing power consumption and electromagnetic …

Instability onset of Rayleigh-Bénard convection for diatomic rarefied gases: Effects of molecular interaction models and flow parameters

C Wu, L Bi, J Zhao, Z Tang, X Yuan, D Wen - International Journal of Heat …, 2024 - Elsevier
Studies on the stability of Rayleigh-Bénard convection in rarefied gases mainly focus on
monatomic gases, whereas diatomic gases are the prevailing medium in actual flows. This …

[HTML][HTML] Physics-based model for boundary layer transition prediction in a wide speed range

LIU Zaijie, LU Yuhan, W Sheng, W Qiang… - Chinese Journal of …, 2022 - Elsevier
A new physics-based model employing three transport equations is developed for the
simulation of boundary layer transitions in a wide speed range. The laminar kinetic energy is …

Influence of single roughness element on hypersonic boundary-layer transition of cone

J Cheng, R Huang, W Liu, J Wu - AIAA Journal, 2023 - arc.aiaa.org
HYPERSONIC laminar–turbulent boundary-layer transition is intimately associated with the
thermal protection system (TPS) and friction drag of hypersonic vehicles, but quite a number …

聚焦激光差分干涉法测量超/高超声速流动的进展

熊有德, 余涛, 薛涛, 吴杰 - 实验流体力学, 2022 - pubs.cstam.org.cn
聚焦激光差分干涉法(Focused Laser Differential Interferometry, FLDI) 作为一种非介入式高
时空分辨率的测试手段, 适用于高超声速风洞等极端实验环境. 从典型FLDI 的光路设计出发 …

Experimental investigation of hypersonic boundary layer instability with wavy wall located downstream of synchronization point

X Sima, Z Fang, G Xu, J Wu - Aerospace Science and Technology, 2024 - Elsevier
The wavy wall surface has been reported to be effective in suppressing the growth of second
mode instability waves in hypersonic boundary layer, while the allocation of wavy wall …

Non-intrusive velocimetry in a supersonic reacting flow using two-point focused laser differential interferometry

A Ceruzzi, M Kanapathipillai, KH Yu… - AIAA SCITECH 2023 …, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-0223. vid Two-point focused laser
differential interferometry (2pFLDI) is shown to be a viable technique for making non …

Noise generated in a scramjet combustor

R Ananthapadmanaban, TJ McIntyre… - Journal of Spacecraft …, 2024 - arc.aiaa.org
This paper presents the noise levels generated inside a two-dimensional scramjet
combustor at Mach 7.3 freestream using the focused laser differential interferometric (FLDI) …