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Supersonic retropropulsion (SRP) is a potential enabling technology for deceleration of high mass vehicles at Mars. 12Previous sub-scale testing, performed during the 1960s and 1970s to explore and characterize various decelerator technologies, focused on SRP configurations with a single central nozzle located along the axis of a vehicle; however, some multiple nozzle configurations were examined...
The aerodynamic characteristics directly affect driving characteristics, stability, operation, oil consumption, and safety of automobiles. The virtual wind tunnel experiment simulation based on finite element method has provided useful theoretical reference to automobile bodywork design. In this study, the air flow and distribution information around the automobiles was obtained using aerodynamic...
A method for reducing errors of downwind sail simulations is presented. This method can be used to improve the results of any simulation making use of Computational Fluid Dynamics (CFD) models and is particularly useful when simplified CFD models are considered, as in these cases the error of the results achieved can be large. In the present approach, in order to reduce the error the results are corrected...
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