DIRECT NUMERICAL SIMULATION OF A SUPERSONIC BASE PLOW BEHIND A CIRCULAR CYLINDER

Lipanov A. M.; Karskanov S. A.; Karpov A. I.

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DIRECT NUMERICAL SIMULATION OF A SUPERSONIC BASE PLOW BEHIND A CIRCULAR CYLINDER

机译：圆柱体下超音速基流的直接数值模拟

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摘要

A supersonic flow in the near wake behind a cylinder is considered. Base pressure distributions behind a circular cylinder for various Mach numbers M-a are obtained and analyzed by means of direct numerical simulation based on high-order approximation algorithms. For M-a = 2.46, the results obtained in the present study are compared with available experimental and numerical data. Generation of turbulent kinetic energy is calculated for various Mach numbers.

机译：考虑在圆柱体后面的近尾流中的超音速流。通过基于高阶近似算法的直接数值模拟，获得并分析了各种马赫数M-a的圆柱体背后的基本压力分布。对于M-a = 2.46，将本研究中获得的结果与可用的实验和数值数据进行比较。计算各种马赫数的湍动能的产生。

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来源
《Journal of Applied Mechanics and Technical Physics》 |2018年第1期|14-21|共8页
作者
Lipanov A. M.; Karskanov S. A.; Karpov A. I.;
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作者单位

Russian Acad Sci, Inst Mech, Ural Branch, Izhevsk 426067, Russia;

Russian Acad Sci, Inst Mech, Ural Branch, Izhevsk 426067, Russia;

Russian Acad Sci, Inst Mech, Ural Branch, Izhevsk 426067, Russia;

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正文语种 eng
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关键词
supersonic flow; Navier-Stokes equations; high-order approximation; direct numerical simulation; base drag;

机译：超声速Navier-Stokes方程高阶近似直接数值模拟基础阻力;
入库时间 2022-08-18 03:02:31

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DIRECT NUMERICAL SIMULATION OF A SUPERSONIC BASE PLOW BEHIND A CIRCULAR CYLINDER

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