Assessing Significant Phenomena in 1D Linear Perturbation Multiphase Flows

  • Alberto Soria
  • Elizabeth Salinas-Rodríguez
Part of the Environmental Science and Engineering book series (ESE)


A procedure based on small perturbations linearization is developed for the assessment of relevant physical effects in fast fluidized beds. The fluid compressibility and wall interaction effects onto a main incompressible behavior are appreciated. A model by contributions is developed and the coefficients of all terms are evaluated in order to assess their significance. The process to get a lumped model is performed and the equivalence of lumped terms and variables under asymptotic conditions is developed. It is shown how wall effects are able to change a parabolic to a hyperbolic structure and how a third order waving structure collapses to a first order one onto a diffusive operator, under the limit of the incompressibility assumption.


Propagation Speed Wall Effect Solid Volume Fraction Compressibility Effect Order Wave 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



The authors highly acknowledge the Consejo Nacional de Ciencia y Tecnología (CONACyT), México, for financial support through Grant CB-2005-C01-50379-Y.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  1. 1.I.P.H. DepartmentUniversidad Autónoma Metropolitana-IztapalapaMexicoMexico

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