通过基本解决方案的方法探索外部稀释气体流
Himanshi1, Anirudh Singh Rana2, Vinay Kumar Gupta1
1Indian Institute of Technology Indore, Department of Mathematics, Indore 453552, India.
Physical review. E
|February 20, 2025
概括
这项研究使用CCR模型克服了在稀释气体动态中的斯托克斯悖论. 它为围绕物体的二维气体流提供了有意义的解决方案,通过基本解决方案方法验证.
科学领域:
- 流体动力学 流体动力学
- 稀释气体动力学 稀释气体动力学
- 数学物理学的数学物理.
背景情况:
- 纳维埃-斯托克斯-弗里埃方程对于稀释气体流量是不够的.
- 对于二维流程,斯托克斯方程失败,导致了斯托克斯悖论.
- 斯托克斯悖论也影响稀释气体流量问题.
研究的目的:
- 介绍一种方法,用于在物体周围有意义的二维稀释气体流动解决方案.
- 为了规避斯托克斯的悖论,使用扩展的水力动力学模型.
- 为了证明复杂几何学的基本解决方法的实用性.
主要方法:
- 采用CCR (连续性保护关系) 模型,这是一个扩展的水力动力学模型.
- 使用CCR模型推导分析解决方案.
- 通过基本解法获得的数值解与数值解的比较.
主要成果:
- 对二维稀释气体流量获得了有意义的分析和数值解决方案.
- CCR模型成功地解决了斯托克斯方程失败的问题.
- 基本解决方案的方法被证明是有效的预测流过去的圆形和半圆形圆柱体.
结论:
- 基本解决方案的CCR模型和方法为解决二维稀释气体流量问题提供了一种可行的方法.
- 对于复杂的几何形状,斯托克斯的悖论可以被规避.
- 该方法适用于预测各种物体周围的稀释气体流量.
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