Senior Propulsion Engineer - Combustion Devices (m/f/d)

isaraerospace Sourced

Parsdorf, Bavaria, Germany Full-time Not specified

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About the role

Mission Brief  You will be a senior technical contributor within Combustion Devices, responsible for high-fidelity combustion CFD and the physical understanding required to design, assess and mature liquid rocket engine combustion hardware. You will apply reactive-flow simulation, combustion fundamentals and test correlation to injectors, preburners, gas generators, ignition systems and main combustion chambers, ensuring that designs are performant, stable, thermally robust and ready for manufacture and hot-fire testing.  Your Role in Our Space Mission:  <ul> <li>Own and execute CFD analyses of reacting flows in liquid rocket engine combustion devices, from model definition and meshing through solution, verification, validation and technical recommendation. </li> <li>Develop and apply premixed, partially premixed and non-premixed combustion models for rocket-relevant propellant systems and operating conditions. </li> <li>Perform steady and transient RANS/URANS and, where justified, scale-resolving simulations such as LES to investigate mixing, ignition, flame stabilisation, combustion efficiency and unsteady heat release. </li> <li>Model injector and chamber flows including atomisation, evaporation, multiphase effects, real-gas behaviour, conjugate heat transfer and wall heat flux where relevant to the design question. </li> <li>Assess combustion stability and operability, including flame dynamics, pressure oscillations, injector coupling, acoustic interaction, chugging and high-frequency instability risks. </li> <li>Build robust CFD workflows in Simcenter STAR-CCM+ and Ansys Fluent, including geometry preparation, meshing strategies, solver setup, automation, post-processing and model-quality documentation. </li> <li>Correlate simulations against component, cold-flow and hot-fire test data; quantify model uncertainty and clearly define the limits of predictive confidence. </li> <li>Translate CFD results into practical design decisions for injectors, chambers, preburners, gas generators, igniters, cooling concepts and combustion-device interfaces. </li> <li>Work closely w

Skills

Propulsion

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