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Experimental study of hydrodynamics in a flat ohmic cell—impact on fouling by dairy products |
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| Authors: | M.A. Ayadi, J.C. Leuliet, F. Chopard, M. Berthou,M. Lebouch |
| Affiliation: | aINRA (Institut National de la Recherche Agronomique), LGPTA (Laboratoire de Génie des Procédés et Technologie Alimentaires), 369, rue Jules Guesde, 59650 Villeneuve D’Ascq Cedex, France bALFA LAVAL VICARB, rue du Rif Tronchard, 38120 Fontanil cornillon, France cEDF-R&D, Les Renardières, 77818 Moret sur loing Cedex, France dLEMTA, 2, Avenue de la forêt de Haye, 54504 Vandoeuvre-lès-Nancy, France |
| Abstract: | This study highlights the link between hydrodynamics and fouling phenomena in a continuous rectangular ohmic cell. The hydrodynamic study was carried out using flow visualisation techniques and particle image velocimetry (PIV). The distribution of deposits in the ohmic cell was investigated by heating an aqueous solution of β-lactoglobulin-xanthan gum mixture. Experimental results show that the deposit distribution on the electrode surfaces is directly related to the flow structures in the ohmic cell. |
| Keywords: | Ohmic heating Fouling Hydrodynamic Dairy products |
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