会议论文详细信息
3rd International Congress on Mechanical Metrology
Experimental evaluation of a facility for jet induced flow analysis
物理学;力学
Farias, M.H.^1 ; Santos, A.M.^1 ; Zanirath, Y.B.^1
Fluid Dynamics Metrology Division, Scientific and Industrial Metrology, National Institute of Metrology, Quality and Technology (Inmetro), Rio de Janeiro, Brazil^1
关键词: Axisymmetric jet;    Experimental evaluation;    Influence parameter;    Maximum flow rate;    Optical technique;    Quiescent environments;    Square cross section;    Stereo particle image velocimetry;   
Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/648/1/012022/pdf
DOI  :  10.1088/1742-6596/648/1/012022
学科分类:力学,机械学
来源: IOP
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【 摘 要 】

In this work, the performance of a bench, which was designed for investigating the hydrodynamics of jets and plumes in quiescent environment is evaluated. This bench is mainly composed by a water tank with a nozzle placed at the center of its bottom. Through the nozzle, fluid is injected vertically upward into the tank. The tank, with square cross section, has a device attached to its upper edge for containing overflow. For fluid flow measurement and visualization, the optical technique Stereo Particle Image Velocimetry (SPIV) was employed and the influence parameters for the resulting flow pattern inside the tank were analyzed. The investigations showed that, in order to avoid tank wall effects to the axisymmetric jet profile, the minimum and maximum flow rate of injected liquid allowed in the stagnant environment were 0.05 L/min and 0.20 L/min, respectively. All the measurements were accomplished under the maximum water column in the tank.

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