Mathematical Model of the Piped Vehicle Motion in Piped Hydraulic Transportation of Tube-Contained Raw Material

Table 2

Comparison of the calculated and experimental values of the average speeds of the piped vehicles.

Dimension of the piped vehicle ( × )	Mass of the transported material /g	Flow discharge /m^3·h^−1	Experimental values /m·s^−1	Calculated values /m⋅s^−1	Relative error /%
150 mm × 50 mm	1,150	40	0.7220	0.7904	9.47
	1,250	60	1.4535	1.5391	5.89
150 mm ×60 mm	1,150	40	0.8481	0.9125	7.59
	1,250	60	1.6546	1.7982	8.68
150 mm × 70 mm	1,150	40	1.0409	1.1108	6.72
	1,250	60	1.9011	2.0126	5.87
100 mm × 70 mm	1,150	40	0.9208	0.9753	5.92
	1,250	60	1.7253	1.8714	8.47
100 mm × 80 mm	1,150	40	1.1900	1.2909	8.48
	1,250	60	2.1047	2.2437	6.60
150 mm × 50 mm	1,300	50	0.8719	0.9327	6.97
	1,400	70	1.4023	1.4619	4.25
150 mm ×60 mm	1,300	50	1.0320	1.0839	5.03
	1,400	70	1.6488	1.7424	5.68
150 mm × 70 mm	1,300	50	1.1391	1.2175	6.88
	1,400	70	1.7928	1.8825	5.00
100 mm × 70 mm	1,300	50	1.0599	1.1474	8.26
	1,400	70	1.7006	1.7991	5.79
100 mm × 80 mm	1,300	50	1.2781	1.3819	8.12
	1,400	70	2.0645	2.1516	4.22