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Article citations


Hidayat, M. and Rasmuson, A. (2004) Numerical Assessment of Gas-Solid Flow in a U-Bend. Chem. Research in Engineering Design, 82, 332-343.

has been cited by the following article:

  • TITLE: Gas-Solid Flow Behavior in a Pneumatic Conveying System for Drying Applications: Coarse Particles Feeding with a Venturi Device

    AUTHORS: Thiago Faggion de Pádua, Rodrigo Béttega, José Teixeira Freire

    KEYWORDS: Pneumatic Conveying, Venturi Feeder, Coarse Particles, Drying, CFD

    JOURNAL NAME: Advances in Chemical Engineering and Science, Vol.5 No.3, June 19, 2015

    ABSTRACT: The feeding of coarse particles (>0.5 mm diameter) directly into a riser operating at positive pressure is important for drying and pre-heating applications. The presence of the feeding device can lead to heterogeneity of drying and heating, and is the main factor responsible for pressure loss in short conveying systems. However, there is a lack of information concerning the axial and radial distributions of coarse particles in this type of configuration, despite the recent advances when dealing with fine particles (FCC catalyst). The present work therefore investigates a vertical venturi feeder with the conveying system operating in dilute-phase regime with 1 mm spherical glass particles. Experimental assays revealed the behavior of the mass flow rate of solids in the system, and pressure measurements were made along the riser in order to evaluate the accuracy of simulations. Euler-Euler simulations provided close estimation of the experimental pressure drop and the pressure drop according to distance in the linear region. Simulation of the fluid dynamics in the riser showed that solids clusters were formed at low concentrations near the feeding device, reflecting heterogeneity in the solid phase volume fraction.