Computational Aerodynamic Modeling of Small Quadcopter Vehicles
Seokkwan Yoon, NASA; Patricia Ventura Diaz, STC; D. Douglas Boyd Jr., William M. Chan, Colin R. Theodore, NASA
May 8, 2017
Computational Aerodynamic Modeling of Small Quadcopter Vehicles
- Presented at Forum 73
- 16 pages
- SKU # : 73-2017-0015
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Computational Aerodynamic Modeling of Small Quadcopter Vehicles
Authors / Details: Seokkwan Yoon, NASA; Patricia Ventura Diaz, STC; D. Douglas Boyd Jr., William M. Chan, Colin R. Theodore, NASAAbstract
High-fidelity computational simulations have been performed which focus on rotor-fuselage and rotor-rotor aerodynamic interactions of small quad-rotor vehicle systems. The three-dimensional unsteady Navier-Stokes equations are solved on over set grids using high-order accurate schemes, dual-time stepping, low Mach number preconditioning, and hybrid turbulence modeling. Computational results for isolated rotors are shown to compare well with available experimental data. Computational results in hover reveal the differences between a conventional configuration where the rotors are mounted above the fuselage and an unconventional configuration where the rotors are mounted below the fuselage. Complex flow physics in forward flight is investigated. The goal of this work is to demonstrate that understanding of interactional aerodynamics can be an important factor in design decisions regarding rotor and fuselage placement for next-generation multi-rotor drones.
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Computational Aerodynamic Modeling of Small Quadcopter Vehicles
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