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Imaging bottom zone of fluidised beds by electrical capacitance tomography

机译：电容断层扫描的成像底部流化床

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摘要

It is difficult to know the details of material distribution in a fluidised bed. Electrical capacitance tomography (ECT) technology has been developed for imaging industrial processes containing dielectric materials. This paper discusses the principles of ECT and presents the first experimental results of using ECT to measure gas/solids distribution in square circulating fluidised beds (CFB). A wide range of fluidisation conditions was tested, from bubbling to circulating fluidisation. It has been shown that over the range, ECT can provide solids concentration and voids distribution instantaneously. Different fluidisation regimes could also be identified from the reconstructed images.
机译：很难了解在流化床中材料分布的细节。已经开发了电容断层扫描（ECT）技术用于含有介电材料的成像工业过程。本文讨论了ECT的原理，并呈现了使用ECT测量方形循环流化床（CFB）中的气/固体分布的第一种实验结果。测试各种流体化条件，从起泡到循环流化物质。已经表明，在该范围内，ECT可以瞬间提供固体浓度和空隙分布。还可以从重建的图像识别不同的流化制度。

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