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气固喷射器的三维数值模拟 被引量:2

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摘要 本文结合欧拉法和拉格朗日方法建立数学物理模型,利用CFD软件对气力输送气固喷射器进行了三维数值模拟,122重点研究了不同气速对喷射器内部流场的压力场、速度场和颗粒浓度场的分布。结果表明:气体进口速度越高,喷射器的1.450001压降越大;随着进口气速的增大颗粒浓度曲线逐渐平缓,颗粒的沉降逐渐减少,输运效果逐渐增强,但当气速增大到一定2.450001程度时,25m/s和30m/s的曲线基本重合,变化不大,在计算的范围内速度为25m/s时输运效率最好。
出处 《科技传播》 2010年第16期188-189,共2页 Public Communication of Science & Technology
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