MW
M.S. Westheim
info
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2 records found
1
Interest in powered flight on Mars has been growing in recent years, and as such new developments are being made in determining the effects the Martian atmosphere has on the flow physics and performance, specifically with regards to similarity parameters: the Reynolds number & the Mach number. This paper aimed to investigate whether the onset of transonic flight could result in decreased separation while improving aerodynamic performance due to the presence of a smeared shock. 2-D URANS simulations of a NACA-0012-34 airfoil were conducted with a SST k-w, y-intermittency model. The results find that an expansion fan delays separation, while the smeared shock weakens the adverse pressure gradient, similar to a shock control bump. The result is a minute increase in the lift-to-drag performance. The development of coherent structures within the separated shear-layer have also been seen to be impacted due to the stabilizing effect of compressibility on the Kelvin-Helmholtz instability.
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Interest in powered flight on Mars has been growing in recent years, and as such new developments are being made in determining the effects the Martian atmosphere has on the flow physics and performance, specifically with regards to similarity parameters: the Reynolds number & the Mach number. This paper aimed to investigate whether the onset of transonic flight could result in decreased separation while improving aerodynamic performance due to the presence of a smeared shock. 2-D URANS simulations of a NACA-0012-34 airfoil were conducted with a SST k-w, y-intermittency model. The results find that an expansion fan delays separation, while the smeared shock weakens the adverse pressure gradient, similar to a shock control bump. The result is a minute increase in the lift-to-drag performance. The development of coherent structures within the separated shear-layer have also been seen to be impacted due to the stabilizing effect of compressibility on the Kelvin-Helmholtz instability.
Project Cardinal
The detailed design of the Mars lander for a Mars 2030 settlement mission
Bachelor thesis
(2018)
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Kathleen Blyth, A.M. de Boeij, K.L. Eppenga, E.D. Gilleran, C.J. Hosking, James Murdza, T.A.J.P. Nachtergaele, Slaven Stoyanov, D.M. Syaifoel, M.S. Westheim, A. Cervone, N. van Hoorn, Y. Liu
Project Cardinal, also known as the Mars 2030 mission, aims to provide a reusable system for manned return missions to Mars. The project goal is to perform a first launch by 2030, where a crew of 10 astronauts will stay on Mars for aminimumof one month before returning to Earth. This is summarised in theMission Need Statement.
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Project Cardinal, also known as the Mars 2030 mission, aims to provide a reusable system for manned return missions to Mars. The project goal is to perform a first launch by 2030, where a crew of 10 astronauts will stay on Mars for aminimumof one month before returning to Earth. This is summarised in theMission Need Statement.