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Comprehensive Simulation with Coupled Airframe-Propulsion Dynamics in Support of eVTOL Design

Felix Brenner, Gamma Technologies GmbH
Jan Goericke, Matt Hasbun, Advanced Rotorcraft Technology

https://doi.org/10.4050/F-0079-2023-18058

Abstract:
A major consideration in the design and development of rotorcraft vehicles to support Urban Air Mobility (UAM) is meeting their mission endurance requirements. This is especially true of Electric Vertical Take-Off and Landing (eVTOL) configurations, with modern batteries providing significantly less energy storage density compared to traditional fossil fuel or hybrid-electric power sources. This constraint on available energy requires careful design of the entire propulsion system, from batteries to rotors, to maximize efficiency. Additionally, integrated full vehicle and propulsion system simulation and optimization of mission power requirements may be used early in the design to mitigate the risks associated with limited energy storage. This optimization can reduce the total weight of the components of the electric propulsion system including the sizing of the appropriate heat dissipation components. This study explores the coupling of a comprehensive flight dynamics model with a physics-based electric propulsion system in support of conceptual and preliminary aircraft design. The coupled simulation models are exposed wind profiles during the eVTOL hover stationkeeping to investigate the transient effects on aircraft response, effectiveness of the electric propulsion system, battery discharge, and heat dissipation.


Comprehensive Simulation with Coupled Airframe-Propulsion Dynamics in Support of eVTOL Design

  • Presented at Forum 79
  • 14 pages
  • SKU # : F-0079-2023-18058
  • Electric VTOL

  • Your Price : $30.00
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Comprehensive Simulation with Coupled Airframe-Propulsion Dynamics in Support of eVTOL Design

Authors / Details:
Felix Brenner, Gamma Technologies GmbH
Jan Goericke, Matt Hasbun, Advanced Rotorcraft Technology