11.30 Kristian Thomas Luter Arregui - Dovetail.pdf

1、Thermal Management ExpoClearing the Runway to Electric Aviation by Removing Thermal ObstaclesP R E S E N T A T I O NSECTIONwww.dovetail.aero|21Who are we?Modular TechProprietary commonalityLow noise,high efficiency aerospace propulsion system integrated and certified by DovetailIntegrated Propulsion

2、 System DovePowerModular Battery system developed by Dovetail 230wh/kg at the pack level now,surpassing 280wh/kg in next versionAviation Proprietary Battery DovePackAI based energy system to accurately estimate battery charging state and optimize integration with fuel cell system Power&Energy Manage

3、ment System-DoveXAILightweight hydrogen system for onboard electricity generation Aerospace Hydrogen System HyDoveGEnIntegrated airframe aerodynamics and thermal management for superior performance and improving efficiencies over conventional designsEnhanced Proprietary AerodynamicsZero emissions El

4、ectric from battery to hydrogen for existing airframes1123452345World class electric aviation innovation1st Hydrogen-electric aviation powertrain in Au-NZ-South EUDovepack:Proprietary battery systemFirst immersion cooling system for aviationNow sold to third partiesP R E S E N T A T I O NSECTIONwww.

5、dovetail.aero|52The thermal challengesTurbomachine vs electrical systemConfidential information Property of Dovetail Electric Aviation 35%efficient 1MW of power=3 MW of heat High temperature&high speed heat80%heat removed by the exhaust to provide thrust(high exergy)Remaining heat removed by oil sys

6、tem,radiation&nacelle ventilationSource:NASA90%efficient(Electric propulsion)1 MW of power=100 kW of heat Low-temperature waste heat.Distributed throughout the systems Complex to be removedFull electric propeller testSource:Rolls-RoyceElectric Propulsion thermal management Liquid cooled Propulsion s