system engineering tasks: • responsible propulsion subsystem engineer for Electra and EnMAP spacecraft, • technical definition of specifications and technical interface for propulsion hardware procurement such as tanks, pressure regulators, valves, filters, • link to various other subsystems (thermal, structure, EMC; electrical, avionics and more) requirements engineering and validation, • definition and support of test plans and procedures on equipment and satellite level support for satellite software implementation, • input to operations and 2nd level support for spacecraft operations, • LEOP engineering support of ENMAP propulsion S/S, • communication to end customers (commercial, ESA) and preparation of reviews on unit and subsystem level analysis engineering tasks: • pressure drop, water hammer, pressure regulation, venting (low altitude and free molecular), • analysis of ESPRIT in-orbit propellant passive and active transfer, • CFD analysis in OpenFoam for tank, orifice and valve applications test and development engineering: • test of pressure regulation concepts for bi-propellant applications • qualification of fittings and propulsion hardware (definition and test) • external development of propulsion hardware with suppliers in the frame of ESA projects • definition of generic propulsion hardware specifications

• development of a shape memory NC valve• preparation and support for CDR documentation of a NC valve on the bases of a shape memory alloy (design justification file, hydraulic analysis, mechanical sizing, tolerance analysis, thermal analysis)• analytical and numerical mechanical analysis (with code Aster/Salome)• welding tests and qualification support (EB welding)• test and support of various mechanical tests (tensile, pressurized testing for bi-propellant applications, cold welding)• preparation of procedures and technical drawings for manufacturing on equipment level• preparation of test plans and procedures for qualification tests (environmental and fluidic)• communication with ESA as end customer

Diploma Thesis about constructive measures for the reduction of space debris using early breakup structuresAirbus Safran Launchers Lampoldshausen,grade: 1,0• requirements engineering for mechanisms according to ECSS, Space Law and space debris mitigation guidelines• mechanical analysis and actuator sizing• characterization of shape memory actuators (blocking force and elongation) via test• numerical and analytical mechanical analysis using Code Aster/Salome• material selection• patent and market research for structural separation mechanisms• literature research about high temperature shape memory alloys• communication with ESA

• preparation of material samples• development of stainless steel to titanium transition joints• support in laser roll induction project• processing of mechanical tests, microsections, X-ray and SEM scans• design of system expansions (Laser and pre-processing tools)• test execution

SOMP2 ACS Development and project: „Calibration and characterisation of attitude control sensors on the student satellite project SOMP 2“grade: 1,0• literature research on the topic attitude control sensors for cubesats• development of software drivers for attitude control sensors in C for STM 32 microcontrollers using I2C, UART, SPI protocols• development of test facilities for attitude sensor testing (with PCB development and data acquisition)• hardware in the loop tests of MEMS gyroscopes, magnetometers and sun sensors using MATLAB• definition and characterisation of calibration procedures

• design Trade off of different NC valve concepts on the bases of a shape memory alloy• literature research and market analysis of steel to titanium transition joints and joining• experimental characterisation of shape memory alloys• analytical and numerical mechanical and thermal pre-sizing of a NC valve• requirements engineering and preparation of a specification for a NC valve according to the ECSS• support for offers and research applications• design of a final flight design for a NC valve EM

• numerical simulation of turbulent flows• implementation of fluid algorithms for the in-house code PRIME• processing and definition of program tests• analysis of heat transfer processes in nuclear reactor bundles in the frame of the project „Sinabel“ using Ansys Fluent

• support in the project ceramic combustion chamber and SHEFEX 2• implementation and design of sensor circuits• implementation of data acquisition systems• test and calibration of temperature and pressure sensors

• tutor for the course „Technische Mechanik 1,2“• one seminar per week

• support in the project laser roll plating• calibration of thermal cameras• geometrical analysis of laser beams for the optimization of a welding process