In-pipe coconut water rheological characterization with ultrasonic waves

Laux Didier, Gibert Olivier, Ferrandis Jean Yves, Rosenkrantz Eric, Mograne Med Abderrahmane, Prades Alexia. 2018. In-pipe coconut water rheological characterization with ultrasonic waves. Journal of Food Engineering, 235 : 59-63.

Quartile : Q1, Sujet : FOOD SCIENCE & TECHNOLOGY / Quartile : Q1, Sujet : ENGINEERING, CHEMICAL

Résumé : We propose in this paper to use a simple and robust experimental protocol based on longitudinal ultrasonic velocity measurement in order to evaluate the viscosity of coconut water in a cylindrical stainless-steel pipe. Seven samples with Soluble Solids Content (SSC) ranging from 6.7 to 44.2°Brix were studied using conventional Couette viscometry and high-frequency ultrasonic methods. Calibration laws linking the ultrasonic velocity measured at 5 MHz to the shear viscosity and to the SSC are proposed. These laws are in very good agreement with previous measurements carried out several years ago using a plane 25 MHz transducer directly introduced into the coconut water with SSC of up to 60°Brix.

Classification Agris : Q02 - Traitement et conservation des produits alimentaires
U30 - Méthodes de recherche

Champ stratégique Cirad : Axe 3 (2014-2018) - Alimentation durable

Auteurs et affiliations

• Laux Didier, Institut d'Electronique du Sud (FRA) - auteur correspondant
• Gibert Olivier, CIRAD-PERSYST-UMR Qualisud (FRA) ORCID: 0000-0002-1447-9003
• Ferrandis Jean Yves, Institut d'Electronique du Sud (FRA)
• Rosenkrantz Eric, Institut d'Electronique du Sud (FRA)
• Mograne Med Abderrahmane, Institut d'Electronique du Sud (FRA)
• Prades Alexia, CIRAD-PERSYST-UMR Qualisud (FRA) ORCID: 0000-0001-8508-0561

Source : Cirad-Agritrop (https://agritrop.cirad.fr/587736/)

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