Table 9 Measurement indexes of river sand substrate field and simulation tests at different operating speeds.
From: Modeling of sand-cultivated substrate for Gobi facility agriculture and validation of trenching test
Operational performance indicators | unit | Test measurements | Simulation Measurements | ||||
---|---|---|---|---|---|---|---|
0.4 m/s | 0.5 m/s | 0.6 m/s | 0.4 m/s | 0.5 m/s | 0.6 m/s | ||
Trenching depth | cm | 31.2 | 31.5 | 30.9 | 34.1 | 34.2 | 33.7 |
Trench width | cm | 41.3 | 40.5 | 41.8 | 43.6 | 39.1 | 39.5 |
Width of the trench bottom | cm | 30.4 | 31.5 | 30.1 | 28.4 | 27.3 | 28.9 |
Rate of soil fragmentation after furrowing | % | 92.4 | 91.6 | 90.4 | 90.8 | 91.5 | 87.3 |