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A tube well fully penetrating a confined aquifer has a maximum discharge capacity of 3000 liters per minute. The thickness of the aquifer is 60m.

A tube well fully penetrating a confined aquifer has a maximum discharge capacity of 3000 liters per minute. The thickness of the aquifer is 60m. Design the minimum length of the well screen, assuming the effective open area of the screen to be 17% and 2 the diameter of the screen to be 20 cm. Assume also the safe screen entrance velocity to be less than 2.75cm/sec.

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