Some factors affecting flow into drainpipes

J. N. Luthin and A. Haig

Hilgardia, 1972, vol. 41, issue 10

Abstract: Factors influencing flow into subsurface drainpipes were investigated in an experimental tank. Where available and experimental results were compared to theory. It was found that doubling drain diameter from 2 to 4 inches increased the flow 35 to 60 per cent. An increase of drain diameter from 2 to 7.48 inches caused a 90 to 130 per cent increase in flow depending on the water-table height. Decreasing pipe-segment length from 3 to 1 foot increased the rate of flow into the pipe by 2½ times. Wrapping the pipe with glass fiber reduced the effect to about a 50 per cent increase.

Keywords: Resource/Energy; Economics; and; Policy (search for similar items in EconPapers)
Date: 1972
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