Model based analysis of the drying of a single solution droplet in an ultrasonic levitator

Jakob Sloth, Søren Kiil, Anker Jensen, Sune Klint Andersen, Kåre Jørgensen, Heiko Schiffter, Geoffrey Lee

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

A model for the drying of a single solution droplet into a solid, dense particle is presented and simulations are made to achieve a more fundamental understanding of the single droplet drying process relevant in connection with spray drying processes. Model predictions of drying behaviour are compared to data for the drying of aqueous solutions of maltodextrin DE 15 and trehalose from experiments conducted using an ultrasonic levitator. Model predictions are in good agreement with the experimental data, indicating that the model describes the most important physical phenomena of the process.
Original languageEnglish
JournalChemical Engineering Science
Volume61
Issue number8
Pages (from-to)2701-2709
ISSN0009-2509
DOIs
Publication statusPublished - 2006

Keywords

  • Spray drying
  • Levitator
  • Drop
  • Mass transfer
  • Modelling
  • Heat transfer

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