用PIV分析钝体燃烧器湍流流场

2019/11/29   下载量： 0 次

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应用领域 能源/新能源
检测样本 其他
检测项目
参考标准 暂无

采用LaVision的ImagerIntense型CCD相机和Quantel公司的Twins型PIV双脉冲激光器对钝体燃烧器湍流流场进行了测量和分析。

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The structure of inert turbulent flows, stabilized in a Bluff-Body burner, is studied considering different volumetric flows for Nitrogen jet and annular air in coflow configuration. Flowfield analysis on Bluff-Body burner is essential to improve the knowledge about this burner, which plays an important role in industrial applications. Thus, vector velocity field is performed, employing Particle Image Velocimetry technique. Also, an uncertainty analysis is performed consid- ering parameters involved in this technique yielding 6% to velocity measurements. The acquired information produces the results based in flowfield structure, which are presented in terms of statistical momentum and Reynolds stress, in which Boussinesq Hypothesis is considered to incompressible flows. However, this hypothesis fails in certain condi- tions. In this way, is possible to comprehend and provide experimental data from the turbulent effects on the flowfield and also contribute to predict the combustion flows, in order to enable the validation and develop numerical models.

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北京欧兰科技发展有限公司
金牌会员 丨 第17年
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