Takeshi Hachinohe

In-Situ Experiment of Melting-Snow Pipe System Pump Controlled by Inverter Using Snowfall Intensity

Yusuke Hukushima

As a traditional snow-melting pipe system on the load sprinkles underground water from holes of the pipe laid underground. These systems cause serious problems those are the sinking of the ground surface and the lack of ground water spring. The new pipe system avoids the occurrence of these problems and will make it possible to construct the snow pipe sprinkler network for the wider area. An inverter-controlled new system is developed under collaboration of Nagaoka University of Technology, Nagaoka City and private companies. In the system, the pump is controlled by a snow intensity meter. In order to investigate the efficiency of the new system, several measuring instruments are set in the system such as the discharge meter, the snow intensity meter, the temperature meter and three sets of the digital camera. All the measured data are sent by the use of the Internet through ADSL. All data except for the image data are sampled at one-minute interval. The image data are sampled at ten minutes interval. In this research, the validity of a new melting-snow pipe system is examined based on these in-situ experimental results.