山东大学学报(工学版) ›› 2015, Vol. 45 ›› Issue (1): 76-81.doi: 10.6040/j.issn.1672-3961.0.2014.258
张翠勋1, 杨锋苓2,3, 连继咏4
ZHANG Cuixun1, YANG Fengling2,3, LIAN Jiyong4
摘要: 为增强搅拌槽内流体的流动特性,设计一种半圆管形挡板,采用标准k-ε模型和多重参考系法对其内部湍流流场进行研究。通过与实验结果的比较,验证了所建模型和模拟方法的可靠性,随后对搅拌槽内的流场、速度和湍动能分布及功率消耗进行分析,并与标准搅拌槽进行对比。结果表明,半圆管挡板能提高流体速度分布的均匀程度,增大流体的轴向和切向速度以及湍动能,而且功率消耗略降低约5%,具有一定的节能功效。
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