Christoph Karl

Characterization and optimization of ultra-lighweight sandwich structures with composite lattice cores based on numerical and experimental methods; Design and optimization of the load-carrying composite structures of a small-satellite launch vehicle within the European project ALTAIR (Air-launch Space Transportaion Using an Automated Aircraft and an Innovative Rocket); Supervision of a student research project on Additive Manufacturing (3D-printing) of continuously reinforced composite structures

Development of dual-matrix composites combining a stiff epoxy and a compliant silicone matrix within the same continuous laminate, allowing the laminate to fold along the integral fiber reinforced silicone hinges. Application of the dual-matrix composite technology to design deployable CubeSat antennas that can be folded and stowed efficiently for transportation into space and deploy autonomously once in orbit by releasing the stored strain energy.

Modeling and preliminary design of turbopumps for liquid rocket engines. Multiobjective optimization of a liquid rocket engine for a launcher upper stage within the Future Launcher Preparatory Program (FLPP), considering the influence of design uncertainty in the optimization process for improved robustness and reliability.

Advancement of preforming and processing technologies for composite structures (Braiding, Fiber Patch Placement, RTM, OoA). Manufacturing of CFRP demonstrator structures for aerospace applications including fuselage sections, wing components and stiffening elements. Experimental characterization of advanced composite materials based on destructive and non-destructive methods.

Bachelor Thesis: Non-destructive investigation of the impact behavior of composite sandwich structures with foam cores reinforced by a CFRP truss structures for improved mechanical performance and damage tolerance.

Aerospace Structures, Composite Materials, Lightweight Design, Launch Vehicle Structures, Structural Analysis & Optimization

Deployable Space Structures, Composite Materials

Lightweight- and Functional Structures, Aeronautical Engineering