通过LBM通过分阶排列的两个方圆气周围的流量间隔效应
Ahmed Refaie Ali1, Waqas Sarwar Abbasi2,3, Bakhtawar Bibi2
1Department of Mathematics and Computer Science, Faculty of Science, Menoufia University, Shebin El Kom, Menofia, 32511, Egypt. ahmed.refaie@science.menofia.edu.eg.
Scientific reports
|August 5, 2024
概括
计算流体动力学揭示了四个流动模式围绕着分层的方圆圆柱体. 气间距显著影响流体结构和力,这对于工程应用至关重要.
科学领域:
- 流体动力学 流体动力学
- 计算物理学的计算物理.
背景情况:
- 在各种工程学科中,了解悬崖周围的流体流动是必不可少的.
- 与孤立的物体相比,多个气的排列显著改变了流动动力学.
研究的目的:
- 通过计算来研究两个分层的方圆圆柱体周围的流体流动特性.
- 分析不同间隙比 (G) 对流量模式和诱导力的影响.
- 了解气间距对流散落和空气动力学系数的影响.
主要方法:
- 使用格子博尔茨曼方法 (LBM) 进行数值模拟.
- 在所有模拟中,固定雷诺兹数 (Re) 在200.
- 系统地改变间隙比 (G) 从0到10倍的气大小.
主要成果:
- 确定了四种不同的流动模式:单一的虚张声势,翻转,调节的同步和同步流动.
- 观察到流体力 (拉力,提升) 和斯特鲁哈尔数对间隙比 (G) 的强度依赖.
- 狭窄的间隙导致了复杂的结构和由于喷流效应的波动力,而更宽的间隙导致了更流的周期流.
结论:
- 阶段性布局显著影响压力分布,而不是并排或并排的配置.
- 气间距是一个关键参数,它决定了在分层阵列中的流动行为和力.
- 结果为优化在流体流应用中使用多个气的设计提供了洞察力.
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