Abstract
A new removal system of sediment on lake and/or reservoir bed by siphonage has been invented by Sadatomi, one of the present authors. The system seems useful to increase the capacity as well as to improve the water quality of lake and/or reservoir. In order to find an optimum design method of it in a practical application, experiments have been conducted using a small-scale apparatus having 1.2m long and 20mm I.D. siphon pipe. In addition, a mathematical model has been proposed to predict its hydraulic performance, and the model has been tested against the present experimental data to validate. The results of such experiments, analysis and validity tests are reported in this paper.
