Abstract
The Reentry capsule exhibits a vast amount of aerodynamic heating and shear stress acting on the structure while entering into the earth atmosphere. Earlier reentry vehicle structures are made up of Metal-matrix composites (MMCs) and ceramic-matrix composites (CMCs) and titanium alloys which are thermally stable and can withstand loads at high temperatures, in this paper we have taken up structural analysis of capsule by replacing Carbon fiber rein forced plastic (CFRP) composite materials. The vehicle enters the earth's atmosphere with a Mach number 15-25 at an altitude of 100km from the sea level where the dense of air present, the capsule penetrate to the earth's atmosphere with a high velocity, the kinetic energy of the vehicles converts into Heat energy, it tends to melting the heat shield of capsule. In this paper we have calculated the Structural and aerodynamic behavior of reentry vehicle at Karman line above sea level and in the dense air. The methodology of this project followed is capsule designed in CATIA and did FEA Analysis.
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