European Food Research and Technology

, Volume 232, Issue 4, pp 671–677 | Cite as

Modelling the membrane clarification of pomegranate juice with computational fluid dynamics

  • Hossein Mirsaeedghazi
  • Zahra Emam-Djomeh
  • Sayed Mohammad Mousavi
  • Mahdi Navidbakhsh
Original Paper

Abstract

The fluid behaviour of pomegranate juice—specifically, its velocity and pressure distribution form—can affect yield during the clarification process. This study used computational fluid dynamics (CFD) to predict velocity and pressure patterns in the membrane module during the clarification of pomegranate juice. Module geometry was plotted using GAMBIT software, and the problem was solved using FLUENT 6.2. The results showed that declines in velocity in the feed channel before fouling creation were greater than after fouling creation. Also, maximum value for velocity at the start of the process was lower than at the final stages. Moreover, the feed entrance and retentate exit must have a parallel pattern with the membrane surface to avoid membrane damage from high pressure at the feed entrance. Establishing this parallel pattern allows all surfaces of the membrane to be used for effective clarification.

Keywords

Clarification CFD Computational fluid dynamics Membrane Modeling Pomegranate 

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Copyright information

© Springer-Verlag 2011

Authors and Affiliations

  • Hossein Mirsaeedghazi
    • 1
  • Zahra Emam-Djomeh
    • 2
  • Sayed Mohammad Mousavi
    • 2
  • Mahdi Navidbakhsh
    • 3
  1. 1.Department of Food Technology Engineering, Abouraihan CollegeUniversity of TehranPakdashtIran
  2. 2.Department of Food Science, Engineering and TechnologyUniversity of TehranKarajIran
  3. 3.Faculty of Mechanical EngineeringIran University of Science and TechnologyNarmak, TehranIran

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