航空动力学报 关键词:飞机结冰;冰形;对流传热;粗糙壁面;明冰 [gap=978]Key words : aircraft icing;ice shape;convective heat transfer;rough wall;glaze ice
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N a thin clear layer of ice caused by the freezing of rain or water droplets in the air on impact with a cool surface or by refreezing after a thaw 雨凇 (Also called silver frostUS term glaze) [英国英语]
The results indicate that the glaze ice has the most adverse impact on airfoil aerodynamic performance.
另外还计算了不同的冰形对机翼升、阻力的影响,结果表明瘤状冰对机翼气动特性的影响最大。
A numerical simulation approach taking the wall roughness effect into account was presented to simulate the glaze ice accretion.
提出了一种可考虑粗糙度影响的瘤状冰结冰过程数值模拟方法。
Also the effect of different ice shapes on lift and drag coefficient were assessed. The results indicate that the glaze ice has the most adverse impact on airfoil aerodynamic performance.
另外还计算了不同的冰形对机翼升、阻力的影响,结果表明瘤状冰对机翼气动特性的影响最大。
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