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

The Delft Sand, Clay & Rock Cutting Model.
Limits of Static Wedge (º), No Cavitation
120
110
y = 0.74x + 82
NC Lower Limit
100
Blade angle α (º)
90
80
70
NC Upper Limit
Linear (NC Lower
Limit)
60
y = -0.34x + 71.25
Linear (NC Upper
Limit)
50
30 35 40 45
Angle of internal friction φ (º)
© S.A.M.
Figure 12-26: The lower and upper limit where a static wedge can exist
for the non-cavitating cutting process.
120
Limits of Static Wedge (º), Cavitation
110
y = 0.68x + 89.5
C Lower Limit
100
C Upper Limit
Blade angle α (º)
90
80
C Lower Limit
C Upper Limit
70
60
y = -0.68x + 91.5
Linear (C Lower
Limit)
Linear (C Upper
Limit)
50
30 35 40 45
Angle of internal friction φ (º)
© S.A.M.
Figure 12-27: The lower and upper limit where a static wedge can exist for the cavitating cutting process.
Page 364 of 454 TOC Copyright © Dr.ir. S.A. Miedema