An electric turnout heating (ETH) system is an essential technical and economic
issue. Uninterrupted operation of the turnouts is crucial to maintaining railway transport
safety. The classic heating system is characterized by high energy consumption. The usage
of it is extremely expensive, so the need to optimize the current system becomes more and
more critical. At the same time, the progress in the contactless heating method has become
a promising alternative. The paper presents the results of tests performed for electric turnout
heating systems for two types of heaters. In the first place, the analysis of heat distribution
was performed using the ANSYS Fluent v.16. The temperature fields in the turnout models
filled with a model of semi-melting snow were analyzed. Thanks to cooperation with the
Railway Institute in Warsaw the second stage of the research was possible to be completed.
In this part, the models were implemented in the real world using the 49E1 railway turnout.
The numerical solutions were validated by the experiments. The verification showed a high
level of agreement among the results. The obtained results indicate the need for further
tests of heating systems, to validate an optimal method of turnout heating. It was found that
in the classic ETH, the working space area consumes a tremendous amount of energy. To
ensure a higher efficiency of the heating process, the contactless heater is proposed as an
alternative.
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