Table 2 Relation of surface viscosity and shearing rate
From: Influence of particle size on non-Darcy seepage of water and sediment in fractured rock
Particle size (mm) | Concentration (kg/m3) | Regression equation | Power exponent | Consistency coefficient (N Sn/m) |
|---|---|---|---|---|
0.038–0.044 | 20 | \(\mu_{a} = 0.0569\gamma_{{}}^{ - 0.7613}\) | 0.2387 | 0.0569 |
40 | \(\mu_{a} = 0.0617\gamma_{{}}^{ - 0.8046}\) | 0.1954 | 0.0617 | |
60 | \(\mu_{a} = 0.0623\gamma_{{}}^{ - 0.8401}\) | 0.1599 | 0.0623 | |
80 | \(\mu_{a} = 0.0701\gamma_{{}}^{ - 0.8692}\) | 0.1308 | 0.0701 | |
0.061–0.080 | 20 | \(\mu_{a} = 0.0413\gamma_{{}}^{ - 0.8235}\) | 0.1765 | 0.0513 |
40 | \(\mu_{a} = 0.5016\gamma_{{}}^{ - 0.8433}\) | 0.1567 | 0.0516 | |
60 | \(\mu_{a} = 0.0527\gamma_{{}}^{ - 0.8744}\) | 0.1256 | 0.0527 | |
80 | \(\mu_{a} = 0.0547\gamma_{{}}^{ - 0.9091}\) | 0.0909 | 0.0547 | |
0.090–0.109 | 20 | \(\mu_{a} = 0.0487\gamma_{{}}^{ - 0.8358}\) | 0.1642 | 0.0487 |
40 | \(\mu_{a} = 0.0509\gamma_{{}}^{ - 0.8672}\) | 0.1328 | 0.0509 | |
60 | \(\mu_{a} = 0.0513\gamma_{{}}^{ - 0.8996}\) | 0.1004 | 0.0513 | |
80 | \(\mu_{a} = 0.0525\gamma_{{}}^{ - 0.9208}\) | 0.0792 | 0.0525 | |
0.120–0.180 | 20 | \(\mu_{a} = 0.0416\gamma^{ - 0.9159}\) | 0.0841 | 0.0416 |
40 | \(\mu_{a} = 0.0437\gamma_{{}}^{ - 0.9258}\) | 0.0742 | 0.0437 | |
60 | \(\mu_{a} = 0.0489\gamma_{{}}^{ - 0.9298}\) | 0.0702 | 0.0489 | |
80 | \(\mu_{a} = 0.0507\gamma_{{}}^{ - 0.9369}\) | 0.0631 | 0.0507 |