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POPOLARIS Raumflugzeuge GmbH

Rocket Engine Flow Simulation Engineer(m/w/x)

Bremen
Full-timeOn-siteExperienced

CFD simulations for liquid rocket engines, analyzing combustion and heat transfer for a reusable space launch system. Strong CFD background in compressible, supersonic, and reactive flows for rocket engines required. Focus on a revolutionary reusable space launch and hypersonic transport system.

Requirements

  • Degree in Space Engineering, Aerospace Engineering (M.Sc.) or similar
  • Minimum of 2 years of full-time experience
  • Strong background in CFD for compressible flow, supersonic flow, hot gas flow, conjugated heat transfer, cryogenic flow, reactive flows in rocket engines
  • Profound understanding of fluid dynamics, thermodynamics, and heat transfer
  • Profound understanding of cooling channel design
  • Proactive thinking, high level of motivation, flexibility, and teamwork skills
  • Proficiency in both German and English

Tasks

  • Perform CFD simulations for liquid rocket engines
  • Analyze combustion flows and conjugated heat transfer
  • Assess pressure losses and flow instabilities
  • Simulate regenerative cooling systems and evaluate thermal loads
  • Support design of combustion chambers, nozzles, and cooling structures
  • Couple CFD results with thermal and structural analyses
  • Validate and calibrate CFD models with experimental data
  • Conduct trade studies to optimize performance and efficiency
  • Collaborate with design, systems, test, and manufacturing teams
  • Document models, assumptions, results, and design recommendations

Work Experience

  • 2 years

Education

  • Bachelor's degreeOR
  • Master's degree

Languages

  • GermanBusiness Fluent
  • EnglishBusiness Fluent
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