任意曲线坐标系Euler方程S2流面的计算方法

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任意曲线坐标系Euler方程S2流面的计算方法

更新时间：2025-07-09

- 任意曲线坐标系Euler方程S2流面的计算方法
- Issue 7, Pages: 42-48(2015)
- 作者机构：
  
  1. 哈尔滨工业大学能源科学与工程学院
  2. 中国航天科工集团三十一研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK14
- Published：2015
- 稿件说明：
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[J]. 2015, (7): 42-48.
DOI：

[J]. 2015, (7): 42-48. DOI：

摘要

为提高S2流面计算方法对涡轮复杂几何的适应性和计算能力

详细推导了任意正交曲线坐标系下应用于流道中心S2流面计算的Euler方程

提出了任意曲线坐标系Euler方程S2流面的计算方法

发展了适用于三阶精度总变差减小的差分格式的数学模型

结合了隐格式时间推进、Riemann问题求解等技术。在应用于带弧形凸起的流道及某直叶栅气动参数计算

并对某三级低压涡轮进行性能预测的结果表明:所提方法对激波具有较高的捕捉精度

能够较准确地获得叶栅气动参数分布

且与实验结果吻合良好;对于多级涡轮总性能参数和气动参数分布均有较高的计算精度

是一种可为涡轮设计提供快速、可靠的计算方法。

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