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介绍 iceAccretionFoam 溶解器:撞击和结冰的情况
Jayme Rodrigues Teixeira da Silva1, Pedro Castro de Souza Villela1, Caio Fuzaro Rafael1
1ATS4i Engenharia, Estudos e Projetos Ltda., Sao Paulo, Brazil.
概括
这项研究验证了iceAccretionFoam用于2D气翼结冰模拟,使用先进的流体动力学准确预测冰形状和收集效率. 该解决方案对航空冰积累研究有前途.
科学领域:
- 计算流体动力学 计算流体动力学
- 航空航天工程是航空航天工程.
- 热量和质量转移是热量和质量转移.
背景情况:
- 准确的模拟气形上冰的积累对于航空安全至关重要.
- 现有的方法需要对复杂的结冰场景进行验证.
- NACA0012气翼是空气动力学研究的标准基准.
研究的目的:
- 评估 iceAccretionFoam 溶解器在 NACA0012 气翼上进行二维结冰模拟.
- 评估解决者在预测关键结冰参数 (如收集效率和冰形状) 的能力.
- 调查数值方案和流模型对模拟结果的影响.
主要方法:
- 使用了基于Foam-extend 5.0构建的iceAccretionFoam,用于二维结冰计算.
- 采用了不可压缩的不稳定的雷诺兹-平均的纳维尔-斯托克斯方程,用于滴滴传输和欧利尔滴滴流.
- 纳入了沉浸边界方法来考虑冰的增长效应.
主要成果:
- 溶解器准确估计了压力系数,收集效率和冰的形状.
- 数字结果与NASA实验数据一致.
- 研究了各种数值方案,线性解法器和流模型的影响.
结论:
- iceAccretionFoam是用于二维结冰模拟的有效工具,特别是用于积冰的模拟.
- 该研究证实了该溶剂在航空冰化研究中使用的潜力.
- 研究结果支持使用经过验证的CFD工具来预测空气层结冰.
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