论文部分内容阅读
在人工环境实验室模拟风力机桨叶表面覆冰的过程,探索主要气象参数(气温和空气相对湿度)变化对风力机桨叶表面覆冰的影响。实验结果表明:空气温度为-5～-8℃时最有利于空气中所含水份凝结成冰,且空气中水份含量才是结冰的重要来源,在某一湿度条件下,温度越低冻结速度越快;空气温度一定时,结冰速度随相对湿度呈单调增加关系;在气温和湿度一定时,结冰时间越长,冰层越厚;冻结时间变长以后,冻结厚度增加速率有一定减缓趋势。
In the artificial environment laboratory simulating the process of wind turbine blade surface icing, to explore the main meteorological parameters (temperature and air relative humidity) on the wind turbine blade surface icing. The experimental results show that when the air temperature is -5 ~ -8 ℃, the moisture in the air condenses into ice, and the air moisture content is the main source of freezing. Under a certain humidity condition, the temperature is higher The freezing speed is faster; when the air temperature is constant, the freezing speed monotonically increases with the relative humidity; when the temperature and humidity are constant, the longer the freezing time is, the thicker the ice layer; the longer the freezing time is, the faster the freezing thickness increases There is a certain slowing trend.