NASA SUbsonic Single Aft eNgine (SUSAN) Electrofan An advanced hybrid electric concept for future single-aisle aircraft
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NASA National Aeronautics and Space Administration NASA SUbsonic Single Aft eNgine (SUSAN) Electrofan An advanced hybrid electric concept for future single-aisle aircraft By Dr. Pankaj Dhussa
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NASA SUbsonic Single Aft eNgine (SUSAN) Electrofan An advanced hybrid electric concept for future single-aisle aircraft
- 1. SUbsonic Single Aft eNgine (SUSAN) Electrofan An advanced hybrid electric concept for future single-aisle aircraft Challenge • Addressthe aviationindustry’sgoalof achievingnet-zero carbonemissionsby 2050 • Designan aircraftconceptthat can significantlyreduce fuelburnand emissionsin largeregionaltransportaircraft carryingup to 180 passengers • Retainspeed,size, and rangein current commercial aircraftand utilizeexistingairportinfrastructureand airspacemanagementsystems • Reduceoperatingcosts whileimprovingsafetyand efficiency Rendering of the SUSAN Electrofan aircraft concept Rendering of NASA’s lightweight High-Efficiency Megawatt Motor (HEMM) being studied for use on the SUSAN Electrofan Expected Impacts • Targetaircraftemissionreductionsof 50% and energy use reductionsof 25% per passenger/mileby the 2040s • Morecost-effectiveair traveldueto lowered maintenancecosts • Meetor exceedcurrent safetyand expectednoise standards • Increasedapplicationof ElectrifiedAircraft Propulsion (EAP) technologiesin next-generationaircraft Partners • NASA’s Convergent Aeronautics Solutions (CAS) project • NASA AeronauticsCenters:GlennResearchCenter,Langley ResearchCenter,Ames ResearchCenter,and ArmstrongFlight ResearchCenter Solution • SUSANElectrofan- a 20 MWpowerhybridelectricaircraftconcept that incorporatesthe followingnew technologiesfor more sustainableflight: o A singleaft turbofanenginecombinedwith distributedwing-mounted electricpropulsorsto cut downon fuelusage o AdvancedPropulsionAirframeIntegration(PAI) andBoundaryLayer Ingestion(BLI) for increasedaerodynamicefficiency o Use of alternativefuelssuch as SustainableAviationFuels(SAF) o Rechargeablebatteries,no plug-inchargingrequired Results • Validatingnew aircraft technologiesand designconfigurationsfor significantemission reductionsin flight • Identifyingnew standardsand regulationsrequiredfor futureelectrified aircraftand singleenginecommercialaircraft • Rapid,iterativework andanalysisfor increasedknowledgeandlessons learnedsharedpublicly • Smallbusinessesusing requirementsof a 25% scaleSUSANflightresearch vehiclefor EAP productsin the smallaircraft andlargedronemarket Illustration of the SUSAN Electrofan propulsion system Aerodynamic visualization showing improved airflow across the aircraft body Next Steps • Continuedtrade studieson the SUSANconceptvehicleto mature configurationandcomponentperformancerequirements • Iterativeprototypingof systemsand technologiesusing the 25% scaleflight researchvehicle • Continuedevelopinga flightsimulationtoolto betterunderstandpilot interactionwith these new systems • Collaboratewith industrypartnersto demonstrateandtransitionthese technologiesinto commercialproducts POC: Ralph Jansen (ralph.h.jansen@nasa.gov) SCAN TO LEARN MORE