In this research, aerodynamic characteristics of a closed-canopy-type parafoil for Martian exploration mission are numerically investigated at low Reynolds number region. Membrane deformation by internal pressure of a parafoil is simulated by using a virtual particle method. The computational results show that aerodynamic characteristics are affected by membrane deformation and difference of a shape of arch. Membrane deformation decreases pressure on the lower surface of a parafoil, and a large central angle of an arch increases pressure on the upper surface. Because of these effects, parafoil model with a large central angle of an arch and membrane deformation has lower lift-drag ratio.
Aerodynamic Simulation of Closed-Canopy-Type Parafoil for Martian Exploration Mission
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Harada, D, Takahashi, Y, Oshima, N, & Yamada, K. "Aerodynamic Simulation of Closed-Canopy-Type Parafoil for Martian Exploration Mission." Proceedings of the ASME/JSME/KSME 2015 Joint Fluids Engineering Conference. Volume 1A: Symposia, Part 2. Seoul, South Korea. July 26–31, 2015. V01AT13A007. ASME. https://doi.org/10.1115/AJKFluids2015-13595
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