The safe landing of the probe is one of the most difficult challenges in Mars exploration, and the Mars supersonic parachute is extremely important for this process. To date, all the successful Mars exploration missions have used disk-gap-band (DGB) parachutes. However, the DGB parachute with the highest diameter of 21.35 m cannot be further used for future Mars exploration missions with higher loads.
, eight scholars from five organizations, including Central South University, Xi'An Jiaotong University, Nanjing University of Aeronautics and Astronautics, Beijing Institute of Space Mechanics & Electricity, and The Hong Kong Polytechnic University, together investigate the aerodynamic characteristics of the new supersonic parachute with different porosities and seam/gap positions and understand the influence mechanism of the porosity and the positions of porous structures on the...
In this study, canopy models with different single-seam positions are designed , in which only one seam is open for a canopy model. Meanwhile, the top gap model, the G1 model, is a model that only retains the top gap of G1 and the top vent, and the middle gap model, the G2 model, only retains the middle gap of G2 and the top vent. Combining the above seams with different gaps, new canopy models with different seams and gaps are also designed.
The porosity structures of the canopy body have no significant effect on the flow field mode of the supersonic parachute system, and they have little effect on the pressure distribution of the capsule surface and the flow field structure around the capsule body.
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