Effects of stress paths on triaxial compression mechanical properties of QH-E lunar soil simulant studied by DEM simulation
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DOI: 10.1007/s10035-020-0999-y
Abstract: In this paper, three different stress paths [conventional triaxial compression (CTC), constant principal stress triaxial compression (PTC), and hydrostatic compression (HC)] are chosen to investigate the effects of stress paths on the mechanical properties of… read more here.
Keywords: dilatancy; shear dilatancy; soil simulant; stress ... See more keywords
Study of the rheological properties of water and Martian soil simulant mixtures for engineering applications on the red planet
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DOI: 10.1016/j.asr.2017.12.037
Abstract: Abstract The rheological properties of mixtures of water and the Martian soil simulant JSC-Mars-1A are investigated by preparing and testing samples at various solids concentrations. The results indicate that the dispersion is viscoelastic and, at… read more here.
Keywords: soil simulant; water martian; rheological properties; martian soil ... See more keywords
DEM thermal simulation of bit and object in drilling of lunar soil simulant
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DOI: 10.1016/j.asr.2018.06.013
Abstract: Abstract The bit and object thermal problem was investigated in this study with particular regard to the drilling of lunar soil simulant. The discrete element method (DEM) was used to establish a thermal model of… read more here.
Keywords: bit object; soil simulant; dem; drilling lunar ... See more keywords
Invariance of conveying capacity for drilling into lunar soil simulant
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DOI: 10.1016/j.asr.2019.08.001
Abstract: Abstract In this paper, we study the conveying dynamics in the helical groove of an auger drilling into lunar simulant. We demonstrate that the stress-coupling effect of the conveyed granules by the groove of a… read more here.
Keywords: drilling lunar; lunar soil; capacity drilling; soil simulant ... See more keywords
Laser induced rapid decontamination of aromatic compound from porous soil simulant
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DOI: 10.1063/1.4985813
Abstract: Soil contamination with organic compounds can lead to the loss of farmable and habitable lands and cause long-term human and animal exposure to toxins. This paper reports a new laser based method for in situ… read more here.
Keywords: laser; decontamination; aromatic compound; soil simulant ... See more keywords