Particle Technology and Fluidization AIChE Journal DOI10.1002/aic.16614 An experimental and numerical study of the suppression of jets, counterflow and backflow in vortex units Shekhar R. Kulkarni a , Arturo Gonzalez-Quiroga b , Manuel Nuñez a , Cedric Schuerewegen a , Patrice Perreault c , Chitrakshi Goel a , Geraldine J. Heynderickx a , Kevin M. Van Geem a * and Guy B Marin a a Laboratory for Chemical Technology, Ghent University b Mechanical Engineering Department, Uniersidad del Norte, Barranquilla Colombia c Universidad Autónoma de Yucatán, Calle 60 491A, Centro, 97000 Mérida, Yuc., Mexico Corresponding author: * Email address: kevin.vangeem@ugent.be Kevin M. Van Geem Full Professor Laboratory for Chemical Technology (LCT) Department of Materials, Textiles and Chemical Engineering Technologiepark 914, 9052 Ghent, Belgium This article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process which may lead to differences between this version and the Version of Record. Please cite this article as doi: 10.1002/aic.16614 © 2019 American Institute of Chemical Engineers Received: Sep 24, 2018;Revised: Jan 25, 2019;Accepted: Apr 14, 2019 This article is protected by copyright. All rights reserved.