RECURRENCE QUANTIFICATION ANALYSIS OF TEMPERATURE FLUCTUATIONS IN A HORIZONTAL ROUND HEATED TURBULENT JET

被引：22
|
作者：
Karakasidis, T. E. [1 ]
Liakopoulos, A. [1 ]
Fragkou, A. [1 ]
Papanicolaou, P. [1 ]
机构：
[1] Univ Thessaly, Dept Civil Engn, Volos 38334, Greece
来源：
INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS | 2009年 / 19卷 / 08期
关键词：
Recurrence plots; recurrence quantification analysis; time series; jet flow; turbulent flow; temperature fluctuations; PLOTS; FLOWS; MODEL;
D O I：
10.1142/S0218127409024268
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
We present an analysis of temperature fluctuations in a horizontal round heated turbulent jet. Instantaneous temperature time series were recorded at several points along a horizontal line in the plane of symmetry of the jet. The time series are analyzed using Recurrence Quanti. cation Analysis (RQA). The variation of characteristic RQA measures is associated with and interpreted via the transitions of the physical state of the fluid from the fully-turbulent flow near the jet centerline to the transitional flow near the boundary of the jet.
引用
收藏
页码：2487 / 2498
页数：12
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