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A method of moments based CFD model for polydisperse aerosol flows with strong interphase mass and

A method of moments based CFD model for polydisperse aerosol flows with strong interphase mass and.h

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applied for each size class. There have been numerous
models developed for one-dimensional flows using such
techniques e.g. [11–18]. In order to achieve reasonably
accurate resolution and to overcome numerical diffusion,
however, the particle size distribution must be divided into
a large number of bins. Consequently, implementation in
CFD codes becomes prohibitive for all but the most restrictive cases [19–26].
An alternative approach is the methods of moments
(MOM) in which the moments of the particle size distribution are solved by integrating out the internal coordinate
(e.g. diameter or volume). This allows the problem to be
reconstructed in a reduced variable space and in which
each moment is a transportable scalar, however, the problem of mathematical closure arises [27,28]. Three methods
are typically employed to resolve the closure issue:
through the assumption of a closed form of the distribution function in which the properties of the distribution
are a function of the solved
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