Hydrodynamics of piston-driven laminar pulsating flow: Part 1. Developing flow

被引：7

作者：

Aygun, Cemalettin ^{[1
]}

Aydin, Orhan ^{[1
]}

机构：

[1] Karadeniz Tech Univ, Dept Mech Engn, TR-61080 Trabzon, Turkey

来源：

NUCLEAR ENGINEERING AND DESIGN | 2014年 / 274卷

关键词：

STATE-OF-ART; PIPE FLOWS; CIRCULAR PIPE; FREQUENCY; GRADIENT; SUBJECT; REGIMES; ENTRY; TUBE;

D O I：

10.1016/j.nucengdes.2014.02.017

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

Piston-driven pulsating flow is a specific type of pressure-driven pulsating flows. In this study, piston-driven laminar pulsating flow in a pipe is studied. This study mainly consists of two parts: developing flow and fully developed flow. In this part, hydrodynamically developing flow is examined numerically. A commercially available CFD package, FLUENT, is used in the simulations. A constant value of the time-averaged Reynolds number is considered, Re = 1000. The piston velocity is incorporated into the inlet velocity profile at the inlet. Effect of the pulsation frequency on the friction coefficient as well as axial velocity field is obtained. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：164 / 171

页数：8

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