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首页> 外文期刊>Journal of University of Science and Technology Beijing >Experimental study on upward bubble velocity and pierce length distributions in a water model of copper converter
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Experimental study on upward bubble velocity and pierce length distributions in a water model of copper converter

机译：铜转炉水模型中气泡向上速度和穿孔长度分布的实验研究

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摘要

The upward bubble velocity and the pierce length distributions in a sectional water model of the copper converter in Guixi Smelter in Jiangxi, China, were measured using a two-contact electro-resistivity probe. In the case of using a single tuyere, the bubble velocity distribution along longitudinal direction was similar to that derived from Guassian function. Beyond the center of the longitudinal range, the bubble pierce length exhibited a sudden increase. The upward bubble velocity at a specified location could go up to meters per second. Its probability at a fixed location obeys a lognormal function; the bubble pierce length there varies bellow a few centimeters. In the case of using multi-tuyeres, the upward bubble velocity was roughly uniform right above the tuyeres and showed a slow decrease beyond this region. The bubble pierce length within both of these two regions was roughly uniform. Its average value in the former region, however, was found to he somewhat lower than that in the later.
机译：使用两触点电阻率探针测量了中国江西贵溪冶炼厂的铜转炉断面水模型中的上升气泡速度和穿孔长度分布。在使用单个风口的情况下，沿纵向的气泡速度分布类似于从高斯函数得到的气泡速度分布。超出纵向范围的中心，气泡刺穿长度呈现出突然增加。在指定位置的气泡上升速度可能高达每秒米。它在固定位置的概率服从对数正态函数;气泡的穿孔长度在下面几厘米之间变化。在使用多风口的情况下，在风口正上方的向上气泡速度大致均匀，并且在该区域之外显示出缓慢的减小。这两个区域内的气泡刺穿长度大致均匀。然而，发现前者的平均值低于后者。

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