Experimental and numerical simulation of dough kneading in filled geometries

M. F. Webster, M. A. Couch, David M. Binding, K. S. Sujatha

Research output: Contribution to journalArticlepeer-review

29 Citations (SciVal)

Abstract

The main objective of this study is to counterpart numerical model and experimental studies for rotating flows associated with dough kneading, and validate the flow patterns generated. The flows considered are in a complex domain setting. Two types of cylindrical vessels are studied at various rotational speeds; one with one stirrer and a second with two. Laser Doppler anemometry is used to obtain the velocity vectors associated with the flow fields. Close agreement is obtained between numerical and experimental flow fields and the magnitudes of velocity vectors. Both sets of results show maximum shear-rates outside the stirring rods. The rate-of-work done also peaks in this region and this is an important quantity to dictate optimal mixer design.
Original languageEnglish
Pages (from-to)111-123
Number of pages13
JournalJournal of Food Engineering
Volume58
Issue number2
Early online date07 Mar 2003
DOIs
Publication statusPublished - Jun 2003

Keywords

  • dough mixing
  • filled geometries
  • model fluids
  • flow visualisation
  • numerical simulation

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