On allowable step heights - lessons learned from the ATTAS and F100 flight tests (Keynote Lecture)
Geza Schrauf

Effect of humps and indentations on boundary-layer transition of compressible flows using the AHLNS methodology
Juan Alberto Franco Sumariva, Stefan Hein and Eusebio Valero

Numerical investigation of localized suction as a means for reducing the impact of surface imperfections on boundary layer transition
Johannes Zahn and Ulrich Rist

Optimal transient growth behind distributed roughness elements on a spherical re-entry capsule
Alexander Theiss, Stefan Hein and Antonio Di Giovanni

Recent experimental studies conducted at ONERA on the influence of surface imperfections on boundary-layer transition (Keynote Lecture)
Maxime Forte, Delphine Sebbane, Olivier Vermeersch, Lorenzo Lanzillotta and Estelle Piot

Step-induced transition in compressible flow: experimental results and correlation with stability analysis
Marco Costantini, Steffen Risius and Christian Klein

The role of a localised three-dimensional roughness element on instability waves in a boundary layer
Spencer J. Sherwin and Hui Xu

Effect of imperfection geometry on the stability of 3d boundary layers
Marco Placidi and Chris Atkin

Numerical investigation of TS-wave growth over surface-steps on a laminar profile with suction
Heinrich Luedeke