NDLI: Two-Way Coupling Model for Fractal-Like Agglomerate-Laden Multiphase Flow

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Yu, Mingzhou Lin, Jianzhong Zhang, Kai Zhang, Gaohui
Copyright Year	2009
Abstract	The disturbing of ultrafine particles on carrying phase is usually ignored in studies on dilute ultrafine particle systems. In a dense fractal-like agglomerate system, however, the effect of particle phase on carrier phase should be considered due to its unique heat and mass transfer while the corresponding mathematical model for this problem has not been established. By taking the agglomerate-laden suspension as a single pseudo fluid, we propose a two-way coupling model in which the developed governing equations for suspension and particle general dynamic equation (PGDE) for particle coagulation and breakage due to turbulence are simultaneously solved. The Taylor-expansion moment method has been applied to solve fractal-like aggregate process and dilute gas-to-particle conversion, and in this study it is further extended to close the PGDE equation by invoking fractal theory. The newly coupling model is not limited in dilute particle system, and thus it is expected to play important roles in studying dense fractal-like agglomerate synthesis or other particulate industrial applications.
Sponsorship	Nanotechnology Institute
Starting Page	399
Ending Page	405
Page Count	7
File Format	PDF
ISBN	9780791843895
DOI	10.1115/MNHMT2009-18044
e-ISBN	9780791838648
Volume Number	ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 1
Conference Proceedings	ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer
Language	English
Publisher Date	2009-12-18
Publisher Place	Shanghai, China
Access Restriction	Subscribed
Subject Keyword	Agglomerate Multiphase flow Two-way coupling Taylor-expansion moment method Fluids Heat Turbulence Particulate matter Fractals Mass transfer
Content Type	Text
Resource Type	Article

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