Reentry vehicle ablation

Maxime Stuck thesis « Ablation d’un matériau de protection thermique en régime turbulent » (« Thermal protection material ablation in turbulent regime ») has been successfuly defended on December 12th 2023 (ISAE-Université de Toulouse).…
TRANSITION 2023 (4th-6th October 2023 - Bordeaux France) : group photo

A successful symposium

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The second edition[1] of the European Symposium on laminar/turbulent Transition in Hypersonic Regime (TRANSITION 2023) has been organized by HyFAR-ARA (www.hyfar-ara.org) at Cap Sciences (Bordeaux, France) from October 4th to  6th 2023. During…

THE CNES JOINS HyFAR-ARA

On May 5th 2023, the administration board of HyFAR-ARA officially validated CNES as new member of the association. The French space agency (CNES, Centre National d'Etudes Spatiales) is a public administration with industrial and commercial…

1-vehicle design criteria

Establishing Vehicle Design Criteria to Postpone Transition Onset along Trajectories of Generic Flight Vehicles Frederik Jacobs 1*, Johan Steelant 2 * Corresponding author 1 Young Graduate Trainee, ESA/ESTEC, Keplerlaan 1, 2201AZ Noordwijk,…

2-WALL BLOWING AND HEATING

Adjoint-based linear sensitivity of a hypersonic boundary layer to steady wall blowing or heating Arthur POULAIN¹, Denis SIPP¹*, Cédric CONTENT¹, Georgios RIGAS², Eric GARNIER¹ ¹ DAAA, ONERA, Université Paris Saclay, F-92190 Meudon,…
Streamwise Stanton number on conic sample in the High Enthalpy Shock Tunnel Göttingen experiment along the 0-degree meridian

3-breakdown of second modes

Fundamental breakdown of second modes in the High Enthalpy Shock Tunnel Göttingen   Divek SURUJHLAL 1 *, Alexander WAGNER 2 * Corresponding author 1German Aerospace Center (DLR) Göttingen, Department of Spacecraft surujhlal@dlr.de…
Figure 1: Schematic of the R2Ch wind tunnel.

5-cone-cylinder-flare experiment

Experimental investigation of the transition process and boundary layer separation on a hypersonic cone-cylinder-flare geometry Clément Caillaud 2, Mathieu Lugrin ∗,1,  Sébastien Esquieu 2 1DAAA, ONERA, Paris Saclay University, F-92190…
Figure 1: 7° cone with porous material insert

6-Ultrasonically Absorptive material

OCTRA as Ultrasonically Absorptive Thermal Protection Material for Hypersonic Transition Suppression analyzed on a 7° Cone Viola WARTEMANN 1*, Alexander WAGNER2, Divek SURUJHLAL3, Giannino PONCHIO CAMILLO4, Christian DITTERT 5, Carolin…

7-Cone-cylinder flare analysis

Numerical investigation of the transition process and boundary layer separation on a hypersonic cone-cylinder-flare geometry Clément Caillaud*,1, Mathieu Lugrin 2, Sébastien Esquieu 1 1CEA-CESTA, 15 Avenue des Sablières, Le Barp, France 2DAAA,…
Schematic of a tufting process realizing pore orientations perpendicular to the fiber plane (adapted from Dell’Anno, 2016)

8-Ultrasonic absorptive TPS

A New Approach towards Tailored Thermal Protection Material for Hypersonic Boundary Layer Control   Alexander Wagner1(*), Divek Surujhlal1, Carolin Rauh2, Martin Frieß2, Fiona Kessel2, Hendrik Weihs2    1Institute of Aerodynamic…