Title: The flow field in the mill - a key factor for the prediction of the comminution result
Authors: Toneva, Petya
Peukert, Wolfgang
Wirth, Karl Ernst
Epple, Philipp
Breuer, Michael  
Language: en_US
Subject (DDC): DDC - Dewey Decimal Classification::000 Informatik, Wissen, Systeme
DDC - Dewey Decimal Classification::500 Naturwissenschaften
DDC - Dewey Decimal Classification::600 Technik
Issue Date: Jan-2006
Publisher: AIChE
Document Type: Conference Object
Pages: 9 Seiten
Publisher Place: Orlando
Conference: AIChE Spring National Meeting - 5th World Congress on Particle Technology 
Abstract: 
Measurements of the mean and time dependent velocity profile were obtained for the first time in an air classifier mill using particle image velocimetry (PIV). Detailed measurements in the vicinity of the impact elements and in the region of the internal classifier are presented. Different pin geometries have been studied at various circumferential velocities of the grinding disk and the classifier. Regions with high turbulence have been observed for all investigated pin geometries at the flow off side of the impact element. The classifier velocity doesn't influence the velocity profiles near the impact elements in main flow direction. The velocity profile on the front sight of the impact element, where the comminution process takes place, is constant with time and preserves a characteristic form with varying operational conditions. The one phase flow field in the complete mill geometry has been modelled by CFX.
Organization Units (connected with the publication): Universität Erlangen-Nürnberg 
URL: https://api.elsevier.com/content/abstract/scopus_id/56749091692
Appears in Collections:Publications of the HSU Researchers (before HSU)

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