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Mass Transfer Processes: Modeling, Computations, and Design, First Edition by P. A. Ramachandran

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Chapter 14. Mesoscopic Models and the Concept of Dispersion

Learning Objectives

After completing this chapter, you will be able to:

  • Understand how mesoscopic models result from a cross-sectional averaging of differential models.

  • Identify additional parameters that result upon averaging.

  • Explain the meaning of the dispersion coefficient.

  • Model and solve reactor models using the dispersion concept.

  • Understand the usefulness of the transient response data to determine the dispersion coefficient.

  • Understand the classical work of the Taylor model for axial dispersion in laminar flows.

  • Model and solve cocurrent and countercurrent mass exchangers using the dispersion coefficient for each of the phases.

Mesoscopic models use one spatial coordinate ...

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