Transition delay in hypervelocity boundary layers by means of CO2/acoustic instability interactions

I Leyva, S Laurence, A Beierholm, H Hornung… - 47th AIAA Aerospace …, 2009 - arc.aiaa.org
… In this project, a new technique to delay the transition in hypervelocity flows by injecting
CO2 into the boundary layer of interest has been proposed and investigated. A series of …

[PDF][PDF] Transition delay in hypervelocity boundary layers by means of vibrational relaxation and acoustic instability interactions

IA Leyva - 2013 - Citeseer
… whose growth in the boundary layer is responsible for transition through the 2nd or Mack
mode in certain hypervelocity configurations. By … of CO2/acoustic instability interactions

[PDF][PDF] TRANSITION DELAY IN HYPERVELOCITY BOUNDARY LAYERS BY MEANS OF CO2/ACOUSTIC INSTA

J Shepherd - core.ac.uk
delaying boundary layer transition in hypersonic flow by injecting CO2 into the boundary
layer… of CO2/acoustic instability interactions. In 47th AIAA Aerospace Sciences Meeting, number …

Effect of CO2 concentration in the hypersonic boundary layer on second mode disturbances

OS Elliott, R Greendyke, JS Jewell… - AIAA Aviation 2019 …, 2019 - arc.aiaa.org
… Since then, instability and transition of the boundary layer … , this interaction could be crucial
in accurately predicting … of Technology’s T5 hypervelocity reflected shock tunnel have shown …

Transition within a hypervelocity boundary layer on a 5-degree half-angle cone in air/CO2 mixtures

J Jewell, R Wagnild, I Leyva, G Candler… - 51st AIAA Aerospace …, 2013 - arc.aiaa.org
… only mechanism of linear instability leading to transition for a … of disturbances as they interact
with the boundary layer. The … the regime in which a transition delay can be obtained. The …

Carbon dioxide injection for hypervelocity boundary layer stability

R Wagnild, G Candler, I Leyva, J Jewell… - 48th AIAA Aerospace …, 2010 - arc.aiaa.org
… carbon dioxide as a means of boundary layer transition delay through the use of … , "Transition
Delay in Hypervelocity Boundary Layers by Means of CO2/acoustic Instability Interactions," …

Effect of Carbon-based Ablation Products on Boundary Layer Stability

OS Elliott, R Greendyke, JS Jewell… - AIAA Scitech 2019 …, 2019 - arc.aiaa.org
… , or Mack, mode instabilities, which are characterized as high … [4] created a method for
calculating the interactions between … of Technology’s T5 hypervelocity reflected shock tunnel have …

Injection-gas-composition effects on hypersonic boundary-layer transition

FM Miró, F Pinna - Journal of Fluid Mechanics, 2020 - cambridge.org
… Such outgassing affects the propagation of instabilities within the boundary layer that …
Transition delay in hypervelocity boundary layers by means of CO2/acoustic instability interactions. …

[PDF][PDF] Effect of Gas Injection on Transition in Hypervelocity Boundary Layers 5b. GRANT NUMBER

I Leyva, JS Jewell, NJ Parziale, JE Sheperd… - Citeseer
method to delay transition in hypervelocity flows in air over slender bodies by injecting CO2
into the boundary layer … molecular vibration damps the acoustic instability, and for the high-…

Vibrational relaxation effects on acoustic disturbances in a hypersonic boundary layer over a cone

R Wagnild, G Candler, P Subbareddy… - 50th AIAA Aerospace …, 2012 - arc.aiaa.org
… hypersonic boundary layers, with the potential for delaying or … CO2 can stabilize a hypervelocity
boundary layer on a cone, … of disturbances as they interact with the boundary layer. The …