WP1: System Design & Integration 

  • Preliminary APPU system architecture and analysis
  • Preliminary sizing and weight estimation
  • Integrated modelling in the Delft “Aircraft Initiator”
  • Aircraft flight mechanics and performance
  • Refined APPU sizing and weight estimation
  • Performance Analysis w.r.t. various baselines
    • APU with H2/LNG
    • APPU with H2/LNG without BLI benefit
    • APPU with LH2/LNG + BLI
    • APPU with Kerosene + BLI
  • Mission and emission analysis for various baselines
  • Practial implications & considerations: Saftey, reliability & maintainability
  • Roadmap and valorization

 WP2: H2 Combustor Design & Emission Analysis 

  • Preliminary Design of H2-kerosene combustor
  • Numerical combustor design & assessment
  • Combustor manufacturing
  • Experimental analysis of the proposed H2 combustor at atmospheric conditions
  • Investigation of the flash-back propensity of the H2 combustor
  • Experiments with kerosene combustion
  • Experimental & Numerical emission analysis
  • Combustor simulations at realistic conditions
Reichel, T. G., Terhaar, S., and Paschereit, C.O., “Flashback Resistance and Fuel–Air Mixing in Lean Premixed Hydrogen Combustion”, Journal of Propulsion and Power, Vol. 34(3):670-701, 2018.

 WP3: Aft Propulsor Design 

  • CFD simulations of the aircraft wake profile 
  • Design of distortion tolerant aft propfan
  • Testing of the aft propfan 
  • Application of Power balance and exergy methods for BLI analysis
  • Experimental investigations of BLI aiarcraft in TU Delft wind tunnel
  • Investigation of aft propfan wind milling & thrust reversal characteristics
  • Acoustic measurements of the aft propfan
  • Numerical shape optimization
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