Design of fan beam optical sensor and its application in mass flow rate measurement of pneumatically conveyed solids

作     者：李扬 郑莹娜 岳洪伟 

作者机构：School of Information Engineering Guangdong University of Technology Guangzhou 510006 China 

基　　金：Project (No. 04009469) supported by the Natural Science Foundationof Guangdong  China 

出 版 物：《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》 (浙江大学学报（英文版）A辑（应用物理与工程）)

年 卷 期：2005年第6卷第12期

页      码：1430-1434页

摘      要：The fan-beam optical sensor is made up of many semiconductor lasers and detectors fixed around the wall alternately at a cross section of pneumatically conveying pipe. When the sensor works, a scanning light source emits a 50° lamellar fan-beam through the gas-solid two phase flow, and the projection data resulting extinction effect of solid particles are detected at the same time. With the projection data, the flow rate mass can be calculated, and then the flow image can be reconstructed. In this paper, the design of the sensor including spatial arrangement of the structural parts, basic principle and measurement sensitivity distribution are introduced. The mathematical measurement model of solid mass flow rate is presented together with the testing results.

主 题 词：Optical sensor Fan-beam laser Pneumatic conveyor system Mass flow rate of solids 

学科分类：080202[080202] 08[工学] 0802[工学-机械学] 

核心收录：

D　O　I：10.1631/jzus.2005.A1430

馆 藏 号：203931961...