TRI-1 | Lunar Simulant Atlas

Geomechanical

Strength, friction, shear, hardness, rheology, repose angle, fracture, and impact behavior.

4 measured1 source

Friction angle 1Shear strength 1shear stress 1shear stress distribution 1

shear stress distributionanalyzed1 source for this simulantModified model for shear stress distribution using TRI-1 Lunar soil simulant

shear stresscalculated using modified SSM1 source for this simulantModified model for shear stress distribution using TRI-1 Lunar soil simulant

Physical

Density, porosity, thermal behavior, surface area, friability, and permeability.

2 measured1 source

density 1Tapped density 1

densityminimum (1.15 g/cc) and maximum (1.88 g/cc)1 source for this simulantModified model for shear stress distribution using TRI-1 Lunar soil simulant

Tapped densitymeasured from bulk/tapped powder density1 source for this simulantModified model for shear stress distribution using TRI-1 Lunar soil simulant

Grain specific

Grain size, distribution, shape, magnetic grain behavior, and electrostatic charging.

0 measured0 sources

No measurements yet

Chemical

Glass composition, bulk chemistry, oxide chemistry, volatile minerals, and surface reactivity.

1 measured2 sources

Nutrient availability 2

Nutrient availabilitymeasured from leachate, extractable nutrients, pH, or soluble salts2 sources for this simulantModified model for shear stress distribution using TRI-1 Lunar soil simulant Studies on the sinkages of rigid plain wheels and lugged wheels on TRI-1 lunar soil simulant

Mineralogical

Mineralogical composition, modal mineralogy, grain-size dependent mineralogy, and soil texture.

0 measured0 sources

No measurements yet

Multicategory

Cross-cutting lunar soil features such as solar particles and agglutinates with nanophase iron.

0 measured0 sources

No measurements yet

Other

Extracted properties that do not clearly fit the workshop categories yet.

18 measured2 sources

comparative study of existing models 1drawbar pull and driving torque 1gravity effect 1mobility performance 1normal stress 1normal stress distribution 1sinkage 1terrain parameter estimation 1Trafficability 1wheel load 1wheel-soil interaction modeling 1

normal stress distributionanalyzed1 source for this simulantModified model for shear stress distribution using TRI-1 Lunar soil simulant

mobility performanceevaluated1 source for this simulantModified model for shear stress distribution using TRI-1 Lunar soil simulant

terrain parameter estimationperformed1 source for this simulantModified model for shear stress distribution using TRI-1 Lunar soil simulant

drawbar pull and driving torquecalculated1 source for this simulantModified model for shear stress distribution using TRI-1 Lunar soil simulant

comparative study of existing modelsperformed1 source for this simulantModified model for shear stress distribution using TRI-1 Lunar soil simulant

wheel-soil interaction modelingperformed1 source for this simulantModified model for shear stress distribution using TRI-1 Lunar soil simulant

normal stresscalculated using normal stress models1 source for this simulantModified model for shear stress distribution using TRI-1 Lunar soil simulant

Trafficabilitymeasured from wheel slip, sinkage, traction, or drawbar behavior1 source for this simulantModified model for shear stress distribution using TRI-1 Lunar soil simulant

sinkagedynamic and static1 source for this simulantStudies on the sinkages of rigid plain wheels and lugged wheels on TRI-1 lunar soil simulant

sinkagestatic1 source for this simulantStudies on the sinkages of rigid plain wheels and lugged wheels on TRI-1 lunar soil simulant

sinkagestatic and dynamic1 source for this simulantStudies on the sinkages of rigid plain wheels and lugged wheels on TRI-1 lunar soil simulant

sinkagetotal sinkage1 source for this simulantStudies on the sinkages of rigid plain wheels and lugged wheels on TRI-1 lunar soil simulant

sinkagestatic sinkage1 source for this simulantStudies on the sinkages of rigid plain wheels and lugged wheels on TRI-1 lunar soil simulant

gravity effect1/6th of Earth's gravity1 source for this simulantStudies on the sinkages of rigid plain wheels and lugged wheels on TRI-1 lunar soil simulant

wheel load5.32 kg (small wheel)1 source for this simulantStudies on the sinkages of rigid plain wheels and lugged wheels on TRI-1 lunar soil simulant

wheel load6.88 kg (large wheel)1 source for this simulantStudies on the sinkages of rigid plain wheels and lugged wheels on TRI-1 lunar soil simulant

sinkage7.33 mm1 source for this simulantStudies on the sinkages of rigid plain wheels and lugged wheels on TRI-1 lunar soil simulant

sinkage7.67 mm1 source for this simulantStudies on the sinkages of rigid plain wheels and lugged wheels on TRI-1 lunar soil simulant

Property coverage

Geomechanical

Physical

Grain specific

Chemical

Mineralogical

Multicategory

Other