Table 5.

Analytical results for internal friction angle calculations

SymbolTerrestrial resultsMartian resultsDefinition
Fine sandJSC Mars-1Coarse sandFine sandJSC Mars-1Coarse sand
t* (s)104106103104106103Scale time
x* (mm)4.34.34.24.34.34.2Scale length
q (m s−1)0.01230.01230.01230.01230.01230.0123Volume flux of CO2
Δθ1.9°17.6°0.46°5.1°50.3°1.2°Change of internal friction angle