Experimental investigation of the effect of transpiration cooling on second mode instabilities in a hypersonic boundary layer

GP Camillo, A Wagner, C Dittert, L Benjamin… - Experiments in …, 2020 - Springer
The influence of localized nitrogen transpiration on second mode instabilities in a
hypersonic boundary layer is experimentally investigated. The study is conducted using a 7 …

Dynamic large-eddy simulation of hypersonic transition delay over broadband wall impedance

VCB Sousa, V Wartemann, A Wagner… - Journal of Fluid …, 2024 - cambridge.org
Three-dimensional numerical simulations of hypersonic boundary layer transition delay due
to porosity representative of carbon-fibre-reinforced carbon-matrix ceramics (C/C) were …

Experimental study on the evolution of mode waves in laminar boundary layer on a large-scale flat plate

M Liu, G Han, Z Jiang - Physics of Fluids, 2022 - pubs.aip.org
In this research, to study the hypersonic boundary-layer transition, experiments were
conducted on a large-scale flat plate with a length of 3.2 m at a zero angle of attack in the …

Decoupling ablation effects on boundary-layer stability and transition

FM Miró, F Pinna - Journal of Fluid Mechanics, 2021 - cambridge.org
A modelling methodology is proposed and applied to effectively decouple many of the
multiple physical phenomena simultaneously coexisting in boundary-layer-transition …

Time-resolved wave packet development in highly cooled hypersonic boundary layers

LA Paquin, A Hameed, NJ Parziale… - Journal of Fluid …, 2024 - cambridge.org
Boundary-layer disturbances are analysed on a. Schlieren and focused laser differential
interferometry (FLDI) are utilized to assess the structures and frequency content associated …

Transitional High-Enthalpy Boundary-Layer Measurements by ALTP Heat-Flux Sensors

JE Brune, L Jakobs, T Sander, C Hofmann… - AIAA SCITECH 2025 …, 2025 - arc.aiaa.org
The influence of various parameters on the laminar-turbulent transition of hypersonic
boundary layers is a subject of ongoing investigation. This study aims to utilize a new …

Experimental Study on Aerodynamic Heating of Hypersonic Boundary-Layer Blowing

Z Li, M Liu, G Han, D Wang, Z Jiang - AIAA Journal, 2024 - arc.aiaa.org
BOUNDARY-LAYER blowing plays an essential role in the thermal protection [1], fuel
injection [2], and boundary-layer transition control [3–8] of hypersonic vehicles. The blowing …

Development of a high-fidelity computational tool for chemically reacting hypersonic flow simulations

AT Margaritis, C Scherding, O Marxen… - arXiv preprint arXiv …, 2022 - arxiv.org
In this paper, we present a methodology to achieve high-fidelity simulations of chemically
reacting hypersonic flows and demonstrate our numerical solver's capabilities on a selection …

Influence of transpiration cooling on second-mode instabilities investigated on hypersonic, conical flows

V Wartemann, G Ponchio Camillo, P Reiter… - CEAS Space …, 2019 - Springer
In the present study, the influence of active cooling on hypersonic boundary-layer transition
at different Mach numbers, from 7 up to 10, is investigated. The analyses are carried out on a …

Effects of Flow Spillage Strategies on the Aerodynamic Characteristics of Diverterless Hypersonic Inlets

Z Yu, H Huang, R Wang, Y Lei, X Yan, Z Jin, O Musa… - Aerospace, 2022 - mdpi.com
This paper compares the aerodynamic characteristics of a central-spillage diverterless
hypersonic inlet (ie, bump inlet, Form 1) with a side-spillage inlet (Form 2) under on/off …