尹洪超
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熔体吹气发泡法制备泡沫铝的准三维数值模拟
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Indexed by:期刊论文

Date of Publication:2009-10-15

Journal:辽宁工程技术大学学报(自然科学版)

Included Journals:Scopus、PKU、ISTIC

Volume:28

Issue:5

Page Number:770-773

ISSN No.:1008-0562

Key Words:气液两相流;计算流体力学(CFD);多重参考系法;体积分数

Abstract:为了分析气泡与铝熔体间的相互作用及汽液两相流动特性,提出准三维模型,即用多重参考系法模拟横向桨叶平面,用边界条件模型模拟纵向平面的搅拌过程,并将两种方法进行耦合;应用双流体模犁模拟气液两相流场,标准k-ε湍流模型模拟液相流场的湍流效应.计算结果表明,最大周向速度在桨叶端部附近,桨叶上下方,各形成一个回流区,气体射流作用下,流场内旋涡较强;平均含气率随着气体流率及桨叶转速的增大而增大.

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Gender:Male

Alma Mater:大连理工大学

Degree:Doctoral Degree

School/Department:能源与动力学院

Discipline:Thermal Engineering. Chemical Engineering. Operation Research and Control Theory

Business Address:大连理工大学能源与动力学院712室

Contact Information:电话:13940865971 邮箱:hcyin@dlut.edu.cn

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