PRESSURE-DRIVEN LAMINAR PULSATING FLOW IN A PIPE: EFFECT OF THE AMPLITUDE

被引：0

作者：

Aygun, Cemalettin ^{[1
]}

Aydin, Orhan ^{[2
]}

机构：

[1] Gumushane Univ, Dept Energy Syst Engn, TR-29100 Gumushane, Turkey

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

来源：

ISI BILIMI VE TEKNIGI DERGISI-JOURNAL OF THERMAL SCIENCE AND TECHNOLOGY | 2015年 / 35卷 / 01期

关键词：

Hydrodynamics; Pulsating flow; Internal flow; Frequency; amplitude; friction coefficient; STATE-OF-ART; DEVELOPMENT LENGTH; CIRCULAR PIPE; TRANSITION; FREQUENCY; SECTIONS; SUBJECT; REGIMES; TUBES;

D O I：

暂无

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

In this study, pressure-driven laminar pulsating flow in a pipe is examined numerically. Both the hydrodynamically developing flow and fully developed conditions are considered. A commercially available CFD package, FLUENT, is used in the simulations. A constant value of the time-averaged Reynolds number is considered, Re=1000. Six different values of the dimensionless frequency (F=0.01, 0.1, 1, 10, 100, 1000) and three different values of the dimensionless amplitude (A=0.1, 0.5 and 0.95) are considered. Both the hydrodynamically developing and fully developed flows are analyzed. Effects of the amplitude and frequency of the pulsating inlet velocity on the friction coefficient as well as velocity field are predicted.

引用

页码：97 / 105

页数：9

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