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