Design of a new FM01-LC reactor in parallel plate configuration using numerical simulation and experimental validation with residence time distribution (RTD)

被引:50
作者
Cruz-Diaz, Martin R. [1 ]
Rivero, Eligio P. [1 ]
Almazan-Ruiz, Francisco J. [2 ]
Torres-Mendoza, Angel [2 ]
Gonzalez, Ignacio [2 ]
机构
[1] Univ Nacl Autonoma Mexico, Fac Estudios Super Cuautitlan, Dept Ingn & Tecnol, Cuautitlan 54740, Edo De Mexico, Mexico
[2] Univ Autonoma Metropolitana Iztapalapa, Mexico City 09340, DF, Mexico
关键词
FM01-LC reactor with parallel plates; Inlet-outlet distributor design; Residence time distribution (RID); Axial and plug dispersion exchange models (ADM and PDEM); Computational fluid dynamics (CFD); MASS-TRANSPORT; HYDRODYNAMIC BEHAVIOR; AXIAL-DISPERSION; FLOW; MODELS;
D O I
10.1016/j.cep.2014.07.010
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
The goal of this work was to develop new geometry design of inlet and outlet distributors of the FM01-LC in parallel plate configuration using Computational Fluid Dynamics (CFD). The new distributor geometry was experimentally evaluated with RTD experimental curves using the stimulus-response technique and approximated with axial dispersion model (ADM), plug dispersion exchange model (PDEM) and by solving the hydrodynamic (Reynolds average Navier-Stokes equation for low Reynolds number, RANS-LRN) and mass transport (convection-diffusion equation in transient and turbulent regimen) equations using computational fluid dynamics (F-tracer RTD method). Two sets of RID experiments (common and new inlet and outlet distributors) in FM01-LC reactors with channel thickness of 0.011 m were carried out. The volumetric flows (Q.) employed were from 0.5 to 3.5 Lmin(-1) (U-0 = 0.02-0.15 m s(-1)). The new FM01-LC reactor had a more homogeneous velocity field in the entire reaction zone, as shown by axial dispersion values lower than those obtained with the common FM01-LC, at different Reynolds numbers. The RID curves obtained with Comsol Multiphysics 4.3a are in agreement with RID experimental curves, but deviations are observed at Reynolds numbers greater than "05991". (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码:145 / 154
页数:10
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