Sediment and Cavitation Erosion Studies through Dam Tunnels

Table 9

Erosion rate density (kg/m⋅sec) in Tunnel 2 under various head conditions and at fixed sediment flow rate of 50 kg/sec.

Head	Main bend	Main branch	Out1	Out2	Out3	Out4	Out5	Out6
High	45	324	269	34	49	52	62	107
Medium	28	237	198	30	38	34	60	62
Low	17	130	98	15	17	20	27	40