Abstract

For a snow-melting system for railway tracks, from an economical point of view, it is necessary to manufacture a water sprinkler with variable flow rates in response to snowfall intensity and atmospheric temperature. A newly developed sprinkler was constructed and operated to control water flow rates by water pressure, using either a module valve or an inverter pump installed in the pipe line. The experiment confirmed that the snow-melting system with the proposed sprinklers is technically and economically promising in terms of energy conservation.

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