This work focuses on hypersonic computational fluid dynamics (CFD) simulations of the flow around the capsule at various altitudes along the trajectory path. ![]() View Video Presentation: The Kentucky Re-Entry Universal Payload System (KRUPS) orbital flight vehicle is a low-cost space capsule that has been designed to provide flight data for validating modeling tools. Preliminary designs for the form factor and sensor suite are proposed and discussed. The direct Simulation Monte Carlo (DSMC) method and computational fluid dynamics (CFD) were used where applicable, as well as analytical tools for the vehicle's computed trajectory. Numerical simulations were used to establish the aerodynamic characteristics of the proposed vehicle, to evaluate the heat-load such that the thermal protection system can be sized, and to guide sensor placement and selection. The data to be collected will contribute to the improvement and validation of computational models. H圜UBE's proposed first mission aims to collect experimental measurements of the aerothermodynamic environment that vehicles moving at hypersonic speeds encounter during re-entry from low Earth orbit. that will serve as a versatile hypersonic flight test platform. View Video Presentation: This paper outlines the main design considerations of a CubeSat-like, miniature re-entry vehicle, H圜UBE. Therefore, the capsule was not able to be recovered in one piece. However, the capsule did not have a successful parachute deployment, due to a timing issue. It verified that the capsule was successfully activated, ejected, and that the data was transmitted. This satisfied the main objective of the flight. Thermal measurements of the TPS were received by the capsule as it returned to Earth. Recovery of the capsule was planned, using a parachute that aimed at preventing a crash landing and thus protecting the internal components. The capsule was designed to transmit data using the Iridium satellite network. The current project is aimed to produce system verification, software implementation, and launch qualifications, using an atmospheric balloon platform. KRUPS has been developed at the University of Kentucky over the past 6 years. TPS are used to protect spacecraft, and its payload, from the extreme conditions of planetary entry. For its first incarnation, KRUPS has been designed to test Thermal Protection System (TPS) material and instrumentation. View Video Presentation: The Kentucky Re-entry Universal Payload System (KRUPS) is a small re-entry capsule designed as a technology testbed. The thermal data measured during the descent of this capsule demonstrated the insulative properties of the TPS. ![]() ![]() The capsule was activated and ejected as planned. The capsule released from the balloon in this experiment, was designed to transmit data using the Iridium satellite network. This specific launch aimed to produce system verification, software implementation, and launch qualifications, using an atmospheric balloon platform.
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