° A tank A supplies water to tanks B and C, but flow into and out of tank C is only possible when the valve is open. The pipe used throughout the system is made of a rough material with a roughness & = 0.1 mm. The pipe lengths and diameters are: D1-75 mm, L1=150 m; D2=50 mm, L2=65 m; D3=75 mm, L3-53 m. For the data provided, determine: Suppose pond C receives water from another source and this causes its level to rise to Zc=15m. Determine the singular loss coefficient Kvalve associated with the valve so that pond B receives the same proportions of flow from A as from C. Assume the valve is located right at the intersection and that the elevations of ponds A and B are Za=15m; Zb=5m, neglecting other singular loss. Za 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.025 B L1; D1 L2; D2 Válvula 0.02 Laminar fow 0.015- 10 Zb Zc L3; D3 Wholly turbulent flow Smooth Transition range 0.01 0.009 0.008 2(10 468 2(10) 468 10 210) 468 2(10) 10 6 B 10 10% 107 2(10) 0.05 0.04 0.03 0.02 0.015 0.01 0.008 0.006 0.004 D 0.002 0.001 0.0008 0.0006 0.0004 0.0002 0.0001 0.00005 0.00001 4 68

A tank A supplies water to tanks B and C, but flow into and out of tank C is only possible when the valve is open. The pipe used throughout the system is made of a rough material with a roughness ɛ = 0.1 mm. The pipe lengths and diameters are: D1=75 mm, L1=150 m; D2=50 mm, L2=65 m; D3=75 mm, L3=53 m. For the data provided, determine:

Suppose pond C receives water from another source and this causes its level to rise to Zc=15m. Determine the singular loss coefficient Kvalve associated with the valve so that pond B receives the same proportions of flow from A as from C. Assume the valve is located right at the intersection and that the elevations of ponds A and B are Za=15m; Zb=5m, neglecting other singular losses.