Validation of a 2D CFD Model for Hydrodynamics' Studies in CIJ Mixers

被引：25

作者：

Santos, Ricardo J. ^{[1
]}

Teixeira, Andre M. ^{[1
]}

Erkoc, Ertugrul ^{[1
]}

Sultan, Mohamed ^{[1
]}

Karpinska, Anna M. ^{[1
]}

Dias, Madalena M. ^{[1
]}

Lopes, Jose Carlos B. ^{[1
]}

机构：

[1] Univ Porto, Oporto, Portugal

来源：

INTERNATIONAL JOURNAL OF CHEMICAL REACTOR ENGINEERING | 2010年 / 8卷

关键词：

mixing; T-jets; confined impiging jets; reaction injection moulding; CFD; FLOW-FIELD CHARACTERIZATION; CONFINED IMPINGING STREAMS; LAMINAR OPPOSING JETS; MIXING CHARACTERISTICS; THERMAL-CHARACTERISTICS; NUMERICAL EXAMINATION; RIM MACHINES; UNEQUAL JETS; SCALE-UP; HEAD;

D O I：

10.2202/1542-6580.1791

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A 2D model of a confined impinging jets mixer having the same geometry of the mixing chamber of a Reaction Injection Moulding, RIM, machine is introduced for the flow field simulation in a Computational Fluid Dynamics, CFD, code. From the CFD simulations the flow field structures and dynamics are clearly established. In addition, the numerical parameters affecting the 2D model simulations are studied, setting for each parameter a validity range. The 2D model is validated and used in the study of some operational parameters: the Reynolds number, the Froude number and the momentum ratio between the opposed jets. The validation of the CFD simulations is also made by comparison with experimental results. The limitations of the 2D model, for simulating the actual 3D flow field, are assessed; from the 2D/3D comparison, it is clearly shown that the introduced model can predict the main flow field features.

引用

页数：44

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