Experimental and Numerical Investigation of Flow Measurement Mechanism and Hydraulic Performance of Portable Pillar-Shaped Flumes in Rectangular Channels

Table 4

Submergence limits at different contraction ratios and discharge rates.

	Q (L/s)	S		Q (L/s)	S		Q (L/s)	S
0.4	5.04	0.85	0.5	5.03	0.93	0.6	5.02	0.96
	7.03	0.88		7.04	0.88		7.03	0.93
	9.06	0.83		9.07	0.92		9.07	0.94
	11.14	0.73		11.12	0.88		11.15	0.86
	12.94	0.77		12.94	0.87		13.00	0.87
	15.17	0.76		15.15	0.86		15.14	0.90
	17.08	0.81		17.05	0.85		17.05	0.90
	18.97	0.82		18.97	0.83		19.01	0.91
	21.01	0.78		21.05	0.86		21.02	0.84
	23.06	0.76		23.08	0.84		23.03	0.86
	25.14	0.81		25.06	0.83		25.08	0.87
	27.03	0.80		27.08	0.80		27.04	0.85