A well penetrates an unconfined aquifer. Prior to pumping, the water level (head) is 25 meters. After a long period of pumping a
t a constate rate of 0.05 cubic meters per second, the drawdowns at distances of 50 and 150 meters from the well were observed to be three and 1.2 meters respectively. Computer the hydraulic conductivity of the aquifer and the radius of influence of the pumping well.
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Answer:
Explanation:
Given that,
The area of glass =
The thickness of the glass
The area of the styrofoam
The thickness of the styrofoam
The thermal conductivity of the glass
The thermal conductivity of the styrofoam
Inside and outside temperature difference is ΔT
The heat loss due to conduction in the window is
The heat loss due to conduction in the wall is
The net heat loss of the wall and the window is
The percentage of heat lost by the window is