Effect of Martian atmosphere on aerodynamic performance of supersonic parachute two-body systems

Supersonic flows around parachute two-body systems are numerically investigated by solving the compressible Navier-Stokes equations. In present study, both rigid and flexible models considered, which comprise a capsule canopy. The objective of study is to investigate effects Martian atmosphere on unsteady produced these structural behavior It was found that in atmosphere, supersonic parachutes with shorter trailing distances exhibited weaker aerodynamic interactions between wake canopy shock, resulting smaller pressure distribution typical surfaces By contrast, because flow modes were similar those under air conditions wind tunnel tests, shape almost unchanged. When new material designed decreasing Young’s modulus damping coefficient, an area oscillation phenomenon observed distance 10 atmosphere. Consequently, (low density pressure) has significant effect performance system.