Microwave Mass Flow Detector for Particulate Solids Based on Spatial Filtering Velocimetry

被引：30

作者：

Penirschke, Andreas ^{[1
]}

Jakoby, Rolf ^{[1
]}

机构：

[1] Tech Univ Darmstadt, Microwave Engn Grp, D-64283 Darmstadt, Germany

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2008年 / 56卷 / 12期

关键词：

Mass flow measurement; permittivity measurement; pneumatic conveying; spatial filtering velocimetry; transducers;

D O I：

10.1109/TMTT.2008.2007142

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A novel mass flow detector has been developed using an open cylindrical resonator based on two microstrip patch couplers. The directivity of the couplers provides a compact sensor design without loss of sensitivity. The design of a particulate mass flow detector and the algorithm to detect the average solids concentration is shown. Spatial filtering velocimetry is applied to a microstrip patch sensor in order to detect the average particulate velocity. The simultaneous detection of the velocity and the solids/air concentration from a single measurement, ensure a true mass flow detector. Subsequently, free fall measurements as well as measurements; in a self contained material flow measuring system were carried out in order to prove the concept. The novel detector offers good prospects for industrial applications with various scenarios of gas/solids, gas/liquid and liquid/ solids flows.

引用

页码：3193 / 3199

页数：7

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