摘要
为研究布置连续式碳纤维线的自发热机场混凝土道面的融雪化冰规律,制作了内设6K、12K、24K发热线的水泥混凝土板,展开不同功率、不同厚度等条件下的室外融雪化冰试验,并进行了机理分析。结果表明,1在板内设置隔热层可以减少混凝土板的蓄热量,提高融雪化冰的效率;2输入功率和冰雪厚是决定融雪时间以及耗电量的主要因素,一定范围内,功率每增加50W/m2,化雪时间缩短1.14h,节省电量0.25k W·h/m2,雪厚每增加1cm,化雪时间延长0.69h,耗电量增加0.35k W·h/m2;3对道面进行提前预热不仅可以避免道面积雪,而且通过采用间歇式供电可以节约能耗。
In order to study the deicing and snow-melting rules of self-heating airfield concrete pavement with continuous carbon fiber heating wire, three cement concrete pavement slabs were made which respectively inbuih 6K, 12K and 24K carbon fiber heating wire. Experiments in different input power and thickness were implemented, and the mechanism was analyzed. The results indicates that setting a insulation layer in concrete slabs could reduce thermal storage and improve the efficiency of snowmelt deicing. Time-consuming and power consumption were mainly decided by the input power and thickness of snow and ice. Within a certain rang, every 50W/m2 power increase, the time of snow-melting would short for 1.14h, and 0. 25kW·h/m2of electricity would be saved; each lem snow thickness increase, the time of snow-melting would prolong 0.69h and the power consumption would increase 0.35 kW· h/m2. In addition, pavement preheating can not only avoid snow cover and ice up, energy could be save by using intermittent power supply.
出处
《玻璃钢／复合材料》
CAS
CSCD
北大核心
2015年第9期64-69,共6页
Fiber Reinforced Plastics/Composites
基金
军队科研项目(CKJ11J019)
关键词
碳纤维发热线
自发热
机场道面
融雪化冰
carbon fiber heating wire
self-heating
airfield pavement
snow and ice melting
