Discussion :: Water Supply Engineering
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Derivation of Thiem's formula
is based on the assumption
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A.
the aquifer is homogeneous, isotropic and of infinite depth and area
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B.
the well is sunk through the full depth of the aquifer
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C.
the flow lines are radial and horizontal, and the flow is laminar
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D.
for hydraulic gradient in Darcy's equation, tangent value is used for sine value
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E.
all the above.
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