RESEARCH ON THE THERMAL HEATING DE-ICING PROPERTIES OF WIND TURBINE BLADE COMPOSITE PLATES BASED ON POLYMER ELECTRIC HEATING FILM

Abstract

Abstract: Glass-fiber-reinforced epoxy resin plates containing sandwich core structure and polymer electric heating film were prepared via vacuum assisted infusion molding process by simulating the skin lay-up structure of wind turbine blade. The heating effects of the plates under different environment temperature and power density were investigated. The relationship between the minimum power density of polymer electric heating film required by de-icing and anti-icing and corresponding environment temperature was fitted out by experimental data. The de-icing performance of the plate containing polymer electric heating film in low temperature environment under different power density was also studied. The results show that, in 200~600W/m² power density range, the de-icing time of the plate with 1cm ice thickness in the -11~-13℃ environment could be controlled in 1~3h.

Key words: wind turbine blade, glass fiber reinforced plastic, anti-icing, de-icing, polymer electric heating film

CLC Number:

TB332
TK83

MU Shu-xiang, WU Rui, CHEN Chun, YAN Shao-yi. RESEARCH ON THE THERMAL HEATING DE-ICING PROPERTIES OF WIND TURBINE BLADE COMPOSITE PLATES BASED ON POLYMER ELECTRIC HEATING FILM[J]. COMPOSITES SCIENCE AND ENGINEERING, 2014, 0(6): 57-61.

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