At the beginning of the test, the flow rate in the canal is 110 L/s. At a particular time (250 s after starting the test), some of the pieces that make up the lateral weir (W2) were removed, so the weir height changed to 55 cm. Later, at time 1950 s, the weir was closed again (Table 13).

Table 13

The disturbance characteristics introduced into the system

Time (s)G1 opening (m)W1 height (m)W2 height (m)W3 height (m)W4 height (m)
0.122 0.90 0.90 0.90 0.35 
250 0.122 0.90 0.55 0.90 0.35 
1,950 0.122 0.90 0.90 0.90 0.35 
3,410 0.122 0.90 0.90 0.90 0.35 
Time (s)G1 opening (m)W1 height (m)W2 height (m)W3 height (m)W4 height (m)
0.122 0.90 0.90 0.90 0.35 
250 0.122 0.90 0.55 0.90 0.35 
1,950 0.122 0.90 0.90 0.90 0.35 
3,410 0.122 0.90 0.90 0.90 0.35 

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