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首页> 外文会议>Instrumentation and Measurement Technology Conference (I2MTC), 2012 IEEE International >Application of a digital ECT system for measurements of dense-phase gas-solid flows
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Application of a digital ECT system for measurements of dense-phase gas-solid flows

机译：数字ECT系统在密相气固两相流量测量中的应用

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Recently, serious geological subsidence disasters have been found in some coal-mining area worldwide. Among various countermeasures, pulverulent material pneumatic conveying refilling technique is a competitive candidate to restore the ecological environment. However, long-distance, i.e. several kilometers, pneumatic conveying of pulverulent materials with high efficiency is still a challenging job and requires careful arrangement of the pneumatic conveying system. To evaluate the feasibility and safety of the system, two electrical capacitance tomography (ECT) systems have been used for real-time monitoring of the flows. As a new tomographic technique, ECT is able to provide the information inside pipe without interrupting the investigated flow. The recently developed digital ECT system with embedded high-capacity FPGA can provide real-time data acquisition, image reconstruction and visualization, thus guarantee continuous monitoring of the investigated flow.
机译：最近，在世界范围内的一些煤矿地区发现了严重的地质沉降灾害。在各种对策中，粉状物料的气力输送补充技术是恢复生态环境的有力竞争者。然而，以高效率进行长距离即几公里的粉状物料的气动输送仍然是一项艰巨的工作，并且需要仔细布置气动输送系统。为了评估该系统的可行性和安全性，已使用两个电容层析成像（ECT）系统对流量进行实时监控。作为一种新的层析技术，ECT能够在不中断所研究流量的情况下在管道内部提供信息。最近开发的带有嵌入式大容量FPGA的数字ECT系统可以提供实时数据采集，图像重建和可视化，从而保证对所研究流量的连续监控。

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