From: An analysis of the entrainment effect of dry debris avalanches on loose bed materials
Variables | Model value | Scale ratio | Prototype value |
---|---|---|---|
ρ d (g/cm3) | 2.00–2.25 | 1/1 | 2.00–2.25 |
θ (°) | 41, 25 | 1/1 | 41, 25 |
g (m/s2) | 9.8 | 1/1 | 9.8 |
M d (kg) | 60 | λ M = (λ L )3 = (1/50)3 | 7.5 × 106 |
V d (m3) | 0.027–0.030 | λ V = (λ L )3 = (1/50)3 | (3.33–3.75) × 103 |
L (m) | 5.1 | λ L = 1/50 | 255 |
H (m) | 3.5 | λ L = 1/50 | 175 |
U (m/s) | 1.5–3.5 | λ U = (λ L )1/2 = (1/50)1/2 | 10.6–24.7 |
H 0 (m) | 0.19 | λ L = 1/50 | 9.5 |
H e (m) | 0.075 | λ L = 1/50 | 3.75 |
D d (m) | 0.04–0.08 | λ D = 1/20 | 0.8–1.6 |
D s (m) | 0.002–0.005 | λ D = 1/20 | 0.04–0.10 |