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2023 | OriginalPaper | Buchkapitel

DSMC Simulation of Rocket Plume Interactions with Extra-Terrestrial Regolith

verfasst von : Isha Mohan Sharma, Vishnu Kiran Kadiyala, G. Malaikannan

Erschienen in: Energy and Exergy for Sustainable and Clean Environment, Volume 2

Verlag: Springer Nature Singapore

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Abstract

Soft landings on extra-terrestrial surfaces are vital for any sample return missions. Moreover, during landing on such bodies, dust impingement on the lander module and Extra-Vehicular Activity (EVA) systems can cause serious complications. To prevent system failures due to scoured regolith, and also minimize contamination of surface regolith for sample collection, the rocket can be used to decelerate the spacecraft to a vertical descent velocity from which it can freefall. A Direct Simulation Monte Carlo (DSMC) technique is developed to investigate the interaction of rocket plume with surface regolith of an airless extra-terrestrial body. Continuum breaks down as the exhaust exits the engine nozzle, and the gases expand rapidly into the vacuum. Near the nozzle exit, the process enters a rarefied flow regime and an open-source DSMC code is developed to model the movement and collision stages of rarefied plume gas and dust particles. In this simulation, the collision occurs between gas particles of the rocket plume as it impinges on such an extra-terrestrial surface. The solver used for carried out this simulation is dsmcFOAM solver, a part of OpenFOAM. The surface properties such as pressure coefficient and heat flux are computed and analysed to observe the impact of plume impingement on extra-terrestrial regolith.

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Metadaten
Titel
DSMC Simulation of Rocket Plume Interactions with Extra-Terrestrial Regolith
verfasst von
Isha Mohan Sharma
Vishnu Kiran Kadiyala
G. Malaikannan
Copyright-Jahr
2023
Verlag
Springer Nature Singapore
DOI
https://doi.org/10.1007/978-981-16-8274-2_21