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首页> 外文会议>ASME Fluids Engineering Division Meeting >PARTICLE VELOCITY AND CONCENTRATION MEASUREMENTS IN LEAN PHASE PNEUMATIC CONVEYING USING A FIBER OPTIC PROBE
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PARTICLE VELOCITY AND CONCENTRATION MEASUREMENTS IN LEAN PHASE PNEUMATIC CONVEYING USING A FIBER OPTIC PROBE

机译：使用光纤探针稀合相气动输送的粒子速度和浓度测量

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摘要

A reflective fiber optic measurement system has been developed to simultaneously measure the particle velocity and volume concentration in lean phase pneumatic conveying. The measurement system consists of two similar optical probes, an integrated electronic circuit unit (pre- and post-amplification of optical signals), an analog-to-digital converter, and data collection and post processing software. This paper describes the working principles of the measurement technique and calibration procedures used in measuring particle velocity and concentration. Fiber optic probe measurements are compared to measurements performed by an isokinetic sampling device. In addition, results on both steady and fluctuating particle concentrations are described.
机译：已经开发了反射光纤测量系统以同时测量瘦相气动输送中的粒子速度和体积浓度。测量系统由两个类似的光学探针组成，集成电子电路单元（光信号的后和放大），模数转换器和数据收集和后处理软件。本文介绍了测量粒子速度和浓度的测量技术和校准程序的工作原理。将光纤探针测量与由等因内采样装置进行的测量进行比较。另外，描述了稳定和波动颗粒浓度的结果。

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