Spatial development of disturbances in plane Poiseuille flow: a direct numerical simulation using a commercial CFD code

J.Severin; K.Beckert; H.Herwig

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Spatial development of disturbances in plane Poiseuille flow: a direct numerical simulation using a commercial CFD code

机译：平面Poiseuille流中扰动的空间发展：使用商业CFD代码的直接数值模拟

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SPatial development of small amplitude disturbances in plane Poiseuille flow is investigated numerically using a commercial CFD code(CFX 4.2). Small amplitude Tollmien-Schilchting (TS)waves know from an Orr-Sommerfeld analysis are superimposed as initial conditions on a fully developed laminar channel flow. The downstream spatial disturbances are calculated on the basis of the full Navier-Stokes equations(NSE). Results are compared to calcu- lations based on the Orr-Sommeerfel equations(OSE).

机译：使用商用CFD代码（CFX 4.2）数值研究了平面Poiseuille流动中小幅度扰动的空间发展。从Orr-Sommerfeld分析获知的小振幅Tollmien-Schilchting（TS）波被作为初始条件叠加在完全发展的层流通道流上。下游空间扰动是基于完整的Navier-Stokes方程（NSE）计算的。将结果与基于Orr-Sommeerfel方程（OSE）的计算进行比较。

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《International Journal of Heat and Mass Transfer》 |2001年第22期|p.4359-4367|共9页
作者
J.Severin; K.Beckert; H.Herwig;
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作者单位

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类热力工程理论;热学;
关键词
Flow; Numerical methods; Stability;

机译：流;数值方法;稳定性;

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2. Direct Numerical Simulations of Subsonic Plane Poiseuille Flows Undergoing Transition [J] . AL Moez YAHYAOUI, Hiroshi MAEKAWA, Kiyoshi YAMAMOTO JSME International Journal. Series B . 2001,第1期

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4. Direct numerical simulation of the lift-off of particles in plane Poiseuille flows of Newtonian and Oldroyd-B fluids [C] . N. A. Patankar, T. Ko, H. -G. Choi, ASME Fluids Engineering Division Meeting . 2001

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7. A STUDY ON STABILITY AND INCIPIENT TURBULENCE IN POISEUILLE AND PLANE POISEUILLE FLOW BY NUMERICAL FINITE DIFFERENCE SIMULATION [O] . DIXON, THOMAS NELSON 1966

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Spatial development of disturbances in plane Poiseuille flow: a direct numerical simulation using a commercial CFD code

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