Journal
ROAD MATERIALS AND PAVEMENT DESIGN
Volume 24, Issue 7, Pages 1748-1764Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/14680629.2022.2103020
Keywords
Conductive rubber composite; active snow melting; numerical simulation; thermal resistance model; outdoor snow melting test
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This study proposes a method of using conductive rubber composites for active snow melting and analyzes the melting process through numerical simulation and outdoor experiments. The results show that conductive rubber composites can melt snow more rapidly and evenly than existing methods, laying an important foundation for practical applications.
To solve the snow problems on roads, conductive rubber composites are proposed to achieve active snow melting. The snow melting processes were analysed by numerical simulation and outdoor experiments. A thermal resistance model was used to analyse the heat transfer and phase change during snow melting. The snow melting effect under complex environments was evaluated by outdoor tests. Furthermore, the electric and thermal fields during snow melting of conductive rubber composites were simulated by COMSOL Multiphysics. The results show that the thermal resistance model reflects the heat transfer process of conductive rubber composites in roads. The conductive rubber composite melts 30 mm of snow in -5 degrees C for 1.92 h. The conductive rubber composite melts snow more rapidly and evenly than existing snow melting methods. The model can predict the operation strategy for conductive rubber composites in engineering. Moreover, this study lays the theoretical and experimental foundation for practical applications.
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