Stereo-piv analysis of the low-swirl flow above a partial oxidation burner

被引：3
|
作者：
De lange, H. C. [1 ]
Houben, M. P. [1 ]
Van Steenhoven, A. A. [1 ]
机构：
[1] Tech Univ Eindhoven, NL-5600 MB Eindhoven, Netherlands
来源：
COMBUSTION SCIENCE AND TECHNOLOGY | 2006年 / 178卷 / 09期
关键词：
low-swirl; stereo-PIV; partial-oxidation;
D O I：
10.1080/00102200500325314
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A partial oxidation burner is introduced as a cleaning system for the tar content of (bio) fuel. The low-swirl ( S approximate to 0.2) flow at the burner outlet is studied using Stereo Particle Image Velocimetry. After calibration the experimental setup is capable of resolving all three velocity components. The presented results show that the averaged coreflow vortex has the characteristics of a solid body rotation. After leaving the burner outlet the swirl number rapidly decreases from about 0.2 to 0.07. The turbulent kinetic energy has also been resolved and shows that the fluctuations are concentrated around the flow center line at levels of 5-10%. The velocity field is homogeneously mixed at about 40 mm above the burner outlet.
引用
收藏
页码：1541 / 1557
页数：17
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