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应用欧拉-欧拉双流体模型,并采用分别描述气泡和液相湍流的k-ε两相湍流模型,描述制备泡沫金属过程中气体射流发泡过程的两相流动.通过对气泡和液体在流场中的受力分析,详细讨论了阻力、升力等相间作用力对气泡分布和流体流动的影响.预测结果和文献中的实验结果进行的对比表明,在给出合理的相间作用力模型时,该模型预测值和实验结果符合较好.但由于目前尚缺乏气体射流破碎模型,喷嘴附近还存在较明显差异.

参考文献

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[5] TURKOGLU H;FAROUK B .Effect of gas injection velocity on mixing and heat transfer in molten steel baths[J].NUMERICAL HEAT TRANSFER,1992,21A:377-399.
[6] G.L. Lane;M.P. Schwarz;G.M. Evans .Predicting gas-liquid flow in a mechanically stirred tank[J].Applied mathematical modelling,2002(2):223-235.
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[8] 刘红,解茂昭,韩景东,王德庆.黏性液体中锐孔处气泡的形成[J].热科学与技术,2005(03):262-266.
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