Fully Mechanized Mining Technology and Practice of Water Conservation with Large Gravity Filling of Aeolian Sand-Like Paste

Table 2

Experimental results of large gravity self flow.

Serial number	Elevation difference between starting point and ending point of pipeline (H)/m	Total length of pipeline (L)/m	Self-flow gravity (N)	Elbow of pipe			Outlet velocity (v)/(m/s)	Flow (Q)/(m^3/h)
				Number (n)	Mean radius of curvature (r)/m	Cumulative length (Lb)/m
1	190	2480	13.1	22	1.0	35	1.70	70.4
2	220	2300	10.5	18	1.0	28	2.24	92.7
3	150	1274	8.5	9	1.0	14	2.85	118.0