Strona 2_redak - Instytut Agrofizyki im. Bohdana Dobrzańskiego ...

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BASIC NOTATION
c – cohesion [kPa];
d – particle diameter [m];
D – shear cell diameter [m];
E – modulus of elasticity [MPa];
ff – flow function;
H – height [m];
i – flow index;
k – pressure ratio;
L – length [m];
∆L – displacement [mm];
m – mass [kg];
N – normal force [N];
p – pressure [MPa];
Q – volume flow rate [m 3 h -1 ];
R – radius [mm];
R h – Hausner Ratio;
t – time [s];
T – tangent force [N];
V – volume [m 3 ];
w – moisture content [%];
γ – bulk unit weight [kN m -3 ];
ε 1 , ε 2 , ε 3 – principal strains;
ε v – volumetric strain;
µ – friction coefficient;
ν – Poisson’s ratio;
φ – angle of internal friction [deg];
Φ – angle of repose [deg];
ρ – bulk density [kg m -3 ];
σ 1 , σ 2 , σ 3 – principal stresses [kPa];
σ c – unconfined yield strength [kPa];
σ r – consolidation reference stress [kPa];
τ – shear stress [kPa].