What is it about?
Evaluate the effect of particle size distribution on the modes of flow that particulate materials will support in a pneumatic conveying pipeline.
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Why is it important?
The results showed that materials below a certain size would support a fluid-like dense phase mode of flow, whereas to support a low-velocity slug flow the key was to have a very narrow size distribution. Materials that satisfied neither of these criteria would not support flow at gas velocities below the saltation value. Clear trends for how throughput changes in the transition from lean to dense phase, are also demonstrated, which have major implications for pipeline sizing.
Perspectives
A quantitative criterion for deciding on the likely conveyability of a material, based on size distribution alone, is proposed
Dr Tong Deng
University of Greenwich
Read the Original
This page is a summary of: Determination of a particle size distribution criterion for predicting dense phase pneumatic conveying behaviour of granular and powder materials, Powder Technology, December 2016, Elsevier,
DOI: 10.1016/j.powtec.2016.05.001.
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