Some Computational fluid dynamics Application Examples

7 Some Computational fluid dynamics Application Examples 

1 Influence of the Number and Arrangements of Components on the Flow Field 

From the simulation results it can also be seen that residence time is not only dependent on the free volume but also on the arrangements of the components within a reaction chamber. This observation through simulation results is not reflected in Equation (6.23). 

Taking a domed component as an example, the precursor gases inside the 

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Abstract Among the noncontinuum-based computational techniques, the lattice Boltzman method (LBM) has received considerable attention recently. In this chapter, we will briefly present the main elements of the LBM, which has evolved as a minimal kinetic method for fluid dynamics, focusing in particular, on multiphase flow modeling. We will then discuss some of its recent developments based on the multiple-relaxation-time formulation and consistent discretizatirai strategies for enhanced numerical stability, high viscosity contrasts, and density ratios for simulation of interfacial instabilities and multiphase flow problems. As examples, numerical investigations of drop collisions, jet break-up, and drop impact on walls will be presented. We will also outline some future directions for further development of the LBM for applications related to interfacial instabilities and sprays. 

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