کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
234069 465384 2011 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Measurement of shear rates in a laboratory tumbling mill
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
Measurement of shear rates in a laboratory tumbling mill
چکیده انگلیسی

A methodology for characterising shear rate profiles in tumbling mills based on in situ trajectory fields from Positron Emission Particle Tracking (PEPT) experiments is presented. Experiments were carried out in a laboratory scale mill fitted with lifter bars, pulp lifters and a discharge grate, and run with radioactively labelled particles within re-circulating slurry environments. Using time-averaged velocity distributions of small PEPT tracers, a model for tangential velocity profiles along radial scan-lines is proposed from which the shear rates are derived.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Minerals Engineering - Volume 24, Issues 3–4, February–March 2011, Pages 225–229
نویسندگان
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