کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
650051 884809 2007 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Clustering behavior of solid particles in two-dimensional liquid–solid fluidized-beds
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی جریان سیال و فرایندهای انتقال
پیش نمایش صفحه اول مقاله
Clustering behavior of solid particles in two-dimensional liquid–solid fluidized-beds
چکیده انگلیسی

In this paper, the clustering behavior of solid particles in a two-dimensional (2D) liquid–solid fluidized-bed was studied by using the charge coupled devices (CCD) imaging measuring and processing technique and was characterized by fractal analysis. CCD images show that the distribution of solid particles in the 2D liquid–solid fluidised-bed is not uniform and self-organization behavior of solid particles was observed under the present experimental conditions. The solid particles move up in the 2D fluidized-bed in groups or clusters whose configurations are often in the form of horizontal strands. The box fractal dimension of the cluster images in the 2D liquid–solid fluidized-bed increases with the rising of solid holdup and reduces with the increment of solid particle diameter and superficial liquid velocity. At given solid holdup and solid particle size, the lighter particles show smaller fractal dimensions.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: China Particuology - Volume 5, Issue 5, October 2007, Pages 305–311
نویسندگان
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