Behaviour of granular matter under gravity-induced stress gradient: A two-dimensional numerical investigation

Li, Ruilin; Zhou, Guoqing; Mo, Pin‐Qiang; Hall, Matthew; Chen, Jun; Chen, Daqing; Cai, Shangyue

doi:10.1016/j.ijmst.2021.03.003

International Journal of Mining Science and Technology

2021

DOI: 10.1016/j.ijmst.2021.03.003

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Behaviour of granular matter under gravity-induced stress gradient: A two-dimensional numerical investigation

Ruilin Li

Guoqing Zhou

Pin‐Qiang Mo

et al.

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Cited by 15 publications

(1 citation statement)

References 37 publications

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“…These tests are performed with terrestrial technologies working in gravity conditions. Numerical investigations can be conducted to also include the effects caused by reduced gravity [19].…”

mentioning

confidence: 99%

Planetary Soil Simulant Characterisation: NU-LHT-2M Study Case to Support Oxygen Extraction Lab Tests with a Low-Temperature Carbothermal Process

Zanotti,

Troisi,

Dottori

et al. 2024

Aerospace

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Since the landing on the lunar surface, the lunar regolith has begun to interact in different ways with landed elements, such as the wheels of a rover, astronaut suits, drills, and plants for extracting oxygen or manufacturing objects. Therefore, a strong effort has been required on Earth to fully characterise these kinds of interactions and regolith utilisation methods. This operation can only be performed by using regolith simulants, soils that are reproduced with the Earth’s rocks and minerals to match the real features. This article presents the main guidelines and tests for obtaining the properties of a generic simulant in terms of composition, physical and mechanical properties, solid–fluid interaction, and thermal properties. These parameters are needed for the designing and testing of payloads under development for planned lunar surface missions. The same tests can be performed on lunar, martian, or asteroid simulants/soils, both in laboratory and in situ. A case study is presented on the lunar simulant NU-LHT-2M, representative of the lunar highlands. The tests are performed in the context of an in situ resource utilisation (ISRU) process that aims to extract oxygen from the lunar regolith using a low-temperature carbothermal reduction process, highlighting the main regolith-related criticalities for an in situ demonstrator plant.

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mentioning

confidence: 99%

Planetary Soil Simulant Characterisation: NU-LHT-2M Study Case to Support Oxygen Extraction Lab Tests with a Low-Temperature Carbothermal Process

Zanotti,

Troisi,

Dottori

et al. 2024

Aerospace

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show abstract

Experimental Study on the Influence of Hypergravity on the Nonlinear Flow Behaviour in Rock Fracture

Hu,

Xu,

Chen

et al. 2023

Rock Mech Rock Eng

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Research on air curtain dust control technology for environmental protection at fully mechanized working faces

Nie

Zhang

Peng

et al. 2022

Environ Sci Pollut Res

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Behaviour of granular matter under gravity-induced stress gradient: A two-dimensional numerical investigation

Cited by 15 publications

References 37 publications

Planetary Soil Simulant Characterisation: NU-LHT-2M Study Case to Support Oxygen Extraction Lab Tests with a Low-Temperature Carbothermal Process

Planetary Soil Simulant Characterisation: NU-LHT-2M Study Case to Support Oxygen Extraction Lab Tests with a Low-Temperature Carbothermal Process

Experimental Study on the Influence of Hypergravity on the Nonlinear Flow Behaviour in Rock Fracture

Research on air curtain dust control technology for environmental protection at fully mechanized working faces

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