An experimental study was conducted to investigate the dynamic ice accretion process over
the surfaces of rotating aero-engine spinners and to examine the detriment effects of the ice …

One of the reliable methods of studying engine icing is to carry out testing in an icing wind
tunnel. Due to the operational limitations of test facility, model-size scaling is adopted. An …

I. Introduction accretion on the commercial aero-engines (ie, turbofans) is a topic of great
concern for aircraft operation safety near the area with super-cooled water droplets in the …

围绕**民航规章CCAR-33 部R2 版中第33.68 条款适航要求, 针对涡轴发动机提出了一种满足
适航要求的试验方法, 包括结冰关键点分析, 结冰取证试验点选定, 整机结冰取证试验三部分 …

为研究吹气式旋转帽罩防冰特性, 采用三维模拟技术对其进行数值分析, 从流场,
水撞击和积冰特性3 个方面分析了吹气式旋转帽罩的防冰机理和效果, 并利用防冰试验器开展了 …

为模拟旋转体结冰问题的过冷水滴运动及撞击过程, 基于欧拉方法及单旋转坐标系模型,
建立了三维旋转水滴运动模型, 并提出了相应的数值求解方法. 采用单旋转坐标系对空气及水滴 …

为了验证旋转帽罩冰风洞试验相似准则的适用性, 开展了旋转帽罩表面结冰过程研究,
推导了旋转帽罩结冰相似准则. 采用底面直径100 mm, 锥角80 的旋转锥作为原尺寸模型 …

通过分析短舱表面结冰缩比试验相似要求, 在保证绕流流场, 水滴撞击特性和结冰冰型相似的
基础上, 分别采用基于气流雷诺数, 气流韦伯数和水滴韦伯数3 种速度选取方法建立了试验相似 …

Aero-engine icing is widely recognized as a significant hazard to aviation safety in cold
weather. During flights, upon the im**ement of small, super-cooled, airborne water …

In turbofan engine, ice accretion on spinning cone may lead to a decline in the engine
aerodynamic performance and an increase of the vibration amplitude of the engine. An …