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一种计算搅拌槽混合时间的新方法
Authors
张庆华
杨超
毛在砂
王正
Publication date
1 January 2007
Publisher
Abstract
基于对混合时间定义的思考,提出了一种新的定义方法,在湍流流场数值计算的基础上通过求解示踪剂的浓度输运方程,研究了单层涡轮桨搅拌槽内的混合过程.结果表明:搅拌转速和搅拌桨安装位置都影响混合时间的大小,而进料位置对混合时间的影响不大.对于不同的搅拌转速而言,随搅拌转速的增大,相同体积分数对应的混合时间逐渐减小.当搅拌桨安装在槽中间位置时所对应的混合时间最小.利用适宜的尺寸和安装位置的导流筒可有效降低混合时间
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Institutional Repository of Institute of Process Engineering, CAS (IPE-IR)
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Last time updated on 05/12/2019