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Assessment of Air Flow over an Equilateral Triangular Obstacle in a Horizontal Channel Using FVM

机译:使用FVM评估水平通道中等边三角形障碍物上的气流

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Viscous and incompressible flow is simulated over an equilateral triangular obstacle placed in a horizontal channel. Different from the previous studies, the governing Navier-Stokes equations along with appropriate boundary conditions are solved by a particular finite volume generated code. A fixed blockage ratio (β=0.05) is considered. Different ranges of Reynolds numbers in laminar regime under critical value of the Reynolds number (Re ≤ 38.03) are investigated. Range of this study is from 1.4 to 38.03. The flow characteristics are analyzed in the forms of streamlines and pressure fields at various Reynolds numbers. Diagram of drag coefficient versus Reynolds numbers is presented and discussed. Results are compared with the available data in the literature that display good agreements.
机译:在放置在水平通道中的等边三角形障碍物上模拟了粘性和不可压缩的流动。与以前的研究不同,控制Navier-Stokes方程以及适当的边界条件是通过特定的有限体积生成的代码求解的。考虑固定的堵塞率(β= 0.05)。研究了在雷诺数临界值(Re≤38.03)下层流状态下雷诺数的不同范围。这项研究的范围是1.4至38.03。以各种雷诺数下的流线和压力场的形式分析流动特性。提出并讨论了阻力系数与雷诺数的关系图。将结果与文献中显示良好一致性的可用数据进行比较。

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