An assessment of the existing theoretical expressions of flow into perforated draintubes has been made in regard to their applicability in the estimation of flow rate into perforated drains under field conditions. A method based on the experimental results is proposed for extending the application of existing expressions to curved watertable conditions.
Research Article|June 01 1987
On the Applicability of Theoretical Expressions for Flow Rate into Perforated Draintubes
U.S. Panu; On the Applicability of Theoretical Expressions for Flow Rate into Perforated Draintubes. Hydrology Research 1 June 1987; 18 (3): 167–184. doi: https://doi.org/10.2166/nh.1987.0012
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