01.2 - Aircraft Design and Integrated System (Applications)
RESULTS FROM THE APPU PROJECT: THE POTENTIAL OF LOW-THRESHOLD HYDROGEN-POWERED BLI PROPULSION
A. Heidebrecht¹, M. Hoogreef¹, A.T. Isikveren, SAFRAN S.A., Germany; A. Gangoli Rao¹; ¹TU Delft, Netherlands
We investigated replacing the conventional APU of a passenger aircraft with an auxiliary hydrogen-driven, boundary-layer-ingesting engine, as part of a aircraft model upgrade.rnAlthough only about 15% of peak thrust are produced from H2, the climate impact can be reduced by over 20%. The concept is geared at very fast entry to market and includes contingencies, e.g. in case no H2 is available.