NDLI: Numerical Analysis of Heat and Mass Transfer on Collision Dominated Particles Flow in a Vessel

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Yamaguchi, T. Kanemaru, K. Momoki, S. Shigechi, T. Yamada, T.
Copyright Year	2007
Abstract	Though the solid-gas multiphase flow has been studied experimentally and numerically, the transport phenomena have not been cleared due to its complexity, computational time required and economical costs for hardwares. In this study the heat and mass transfer of solid-gas collision dominated flow in a rectangular vessel is analyzed by the Discrete Particle Simulation (DPS), a kind of the Dispersed Element Methods (DEM)[1]. This method describes the discrete phase and continuous phase by the Lagrange and the Euler methods respectively, and has been used to simulate the multiphase flows of various geometrical systems. In order to analyze the thermal field we took account of the energy equation and heat conduction between colliding particles. We treated the continuous phase as a pseudo two dimensional flow, and the interaction between continuous and discrete phases as two way coupling. The positions, the momenta and the temperature information of particles and velocity and temperature distribution of fluid were obtained as functions of time from results of these numerical simulations. When the hot air flowed from bottom to top in the vessel of packed bed, we traced the particles and got the temperature distribution of fluid. The particles at the surface of the packed bed jumped first and made the void areas at the middle of vessel. We found the void areas that rise in the dispersed particles.
Sponsorship	Heat Transfer Division
Starting Page	257
Ending Page	260
Page Count	4
File Format	PDF
ISBN	0791842746
DOI	10.1115/HT2007-32761
e-ISBN	0791838013
Volume Number	ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference, Volume 1
Conference Proceedings	ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference collocated with the ASME 2007 InterPACK Conference
Language	English
Publisher Date	2007-07-08
Publisher Place	Vancouver, British Columbia, Canada
Access Restriction	Subscribed
Subject Keyword	Temperature distribution Temperature Transport phenomena Multiphase flow Computer simulation Vessels Momentum Flow (dynamics) Mass transfer Heat conduction Collisions (physics) Heat Fluids Numerical analysis Simulation Particulate matter Discrete element methods
Content Type	Text
Resource Type	Article

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