The Delft Sand, Clay & Rock Cutting Model, 2019a

The Delft Sand, Clay & Rock Cutting Model.
0.30
No Cavitation
Dimensionless Pore Pressure
0.27
0.24
0.21
0.18
0.15
0.12
0.09
0.06
0.03
0.00
Theory Measurement - Wear Measurement - No Wear
Figure M-12: α=30º, hi=100 mm, hb=100 mm.
The dimensionless water pore pressures on the blade. Experiments in 200 m sand, with α=30°, β=29º, φ=38º,
δ=30º, ni=38.53%, nmax=43.88%, ki=0.000165 m/s, kmax=0.000320 m/s, hi=100 mm, hb=100 mm, w=0.2 m, z=0.6
m and a non-cavitating cutting process.
0.30
No Cavitation
Dimensionless Pore Pressure
0.27
0.24
0.21
0.18
0.15
0.12
0.09
0.06
0.03
0.00
Theory Measurement - Wear Measurement - No Wear
Figure M-13: α=45º, hi=47 mm, hb=141 mm.
The dimensionless water pore pressures on the blade. Experiments in 200 m sand, with α=45°, β=25º, φ=38º,
δ=30º, ni=38.53%, nmax=43.88%, ki=0.000165 m/s, kmax=0.000320 m/s, hi=47 mm, hb=141 mm, w=0.2 m, z=0.6
m and a non-cavitating cutting process.
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