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为了提高微波除冰效率,实现冬季道路快速微波除冰,对影响微波除冰效率的关键因素(微波频率和道路材料)进行了仿真和试验研究。通过对微波除冰效率的分析,提出了以冰层和路面结合处温度到达0℃所需的时间作为微波除冰效率的判定指标。建立了微波除冰模型,运用CST、Matlab和ANSYS仿真软件,得出了微波除冰效率与微波频率、不同介质损耗角正切的道路材料关系,并通过试验验证了仿真结论的合理性。研究结果表明:相对于2.45 GHz微波,5.8 GHz微波能够提高微波除冰效率4~6倍;相对于普通沥青混凝土路面,使用铁磁性材料加铺层能够提高除冰效率3~5倍。
In order to improve microwave deicing efficiency and achieve rapid microwave deicing in winter, the key factors (microwave frequency and road material) that affect microwave deicing efficiency were simulated and tested. Based on the analysis of the microwave deicing efficiency, the time required for the temperature of the ice layer and the road surface to reach 0 ° C is put forward as the determination index of the microwave deicing efficiency. The microwave deicing model was established. The relationship between microwave deicing efficiency and microwave frequency and different dielectric loss tangent was obtained by CST, Matlab and ANSYS simulation software. The rationality of the simulation results was verified through experiments. The results show that compared with 2.45 GHz microwave, 5.8 GHz microwave can improve the efficiency of microwave deicing 4 to 6 times; compared with ordinary asphalt concrete pavement, the use of ferromagnetic material overlay can improve the deicing efficiency 3 to 5 times.