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

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

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Experiments in Water Saturated <strong>Sand</strong>.<br />

M.3 <strong>Cutting</strong> Forces in 200 μm <strong>Sand</strong>.<br />

2.00<br />

No Cavitation<br />

1.80<br />

1.60<br />

1.40<br />

Fh (kN)<br />

1.20<br />

1.00<br />

0.80<br />

0.60<br />

0.40<br />

0.20<br />

0.00<br />

0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0<br />

vc (m/s)<br />

<strong>The</strong>ory Measurement 1 Measurement 2 Measurement 3<br />

1.00<br />

No Cavitation<br />

0.90<br />

0.80<br />

0.70<br />

Fv (kN)<br />

0.60<br />

0.50<br />

0.40<br />

0.30<br />

0.20<br />

0.10<br />

0.00<br />

0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0<br />

vc (m/s)<br />

<strong>The</strong>ory Measurement 1 Measurement 2 Measurement 3<br />

Figure M-20: α=30°, hi=33 mm, hb=100 mm.<br />

<strong>The</strong> cutting forces Fh and Fv on the blade. Experiments in 200 m sand, with α=30°, β=30º, φ=38º, δ=30º,<br />

ni=38.53%, nmax=43.88%, ki=0.000165 m/s, kmax=0.000320 m/s, hi=33 mm, hb=100 mm, w=0.2 m, z=0.6 m and<br />

a non-cavitating cutting process.<br />

Copyright © Dr.ir. S.A. Miedema TOC Page M-69 of 228

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