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CLC number: TB126

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Received: 2005-09-07

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Journal of Zhejiang University SCIENCE A 2005 Vol.6 No.12 P.1430~1434

10.1631/jzus.2005.A1430


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


Author(s):  Li Yang, Zheng Ying-na, Yue Hong-wei

Affiliation(s):  School of Information Engineering, Guangdong University of Technology, Guangzhou 510006, China

Corresponding email(s):   liyanggz@tom.com

Key Words:  Optical sensor, Fan-beam laser, Pneumatic conveyor system, Mass flow rate of solids


Li Yang, Zheng Ying-na, Yue Hong-wei. Design of fan beam optical sensor and its application in mass flow rate measurement of pneumatically conveyed solids[J]. Journal of Zhejiang University Science A, 2005, 6(12): 1430~1434.

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author="Li Yang, Zheng Ying-na, Yue Hong-wei",
journal="Journal of Zhejiang University Science A",
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number="12",
pages="1430~1434",
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doi="10.1631/jzus.2005.A1430"
}

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%T Design of fan beam optical sensor and its application in mass flow rate measurement of pneumatically conveyed solids
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%A Zheng Ying-na
%A Yue Hong-wei
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%@ 1673-565X
%D 2005
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2005.A1430

TY - JOUR
T1 - Design of fan beam optical sensor and its application in mass flow rate measurement of pneumatically conveyed solids
A1 - Li Yang
A1 - Zheng Ying-na
A1 - Yue Hong-wei
J0 - Journal of Zhejiang University Science A
VL - 6
IS - 12
SP - 1430
EP - 1434
%@ 1673-565X
Y1 - 2005
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2005.A1430


Abstract: 
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.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

[1] Ibrahim, S., Green, R.G., 2002. Optical Fibre Sensors for Imaging Concentration Profile. IEEE Int. Conference on Semiconductor Electronics, Penang, Malaysia, p.121-125.

[2] Li, Y., Wang, R.H., Zheng, Y.N., 2003. Image Reconstruction of 2D Concentration Distribution of Particles Flow with Extinction Optical Tomography. Fifth International Symposium on Instrumentation and Control, SPIE, 5253:407-413.

[3] Li, Y., Wang, R.H., Zheng, Y.N., 2004a. Calculation and analysis of sensitivity distribution to array optical tomographic sensor. Chinese Journal of Scientific Instrument, 25(4):494-497 (in Chinese).

[4] Li, Y., Zheng, Y.N., Wang, R.H., 2004b. Theoretic model and experiment research of optoelectronic granular solid flowmeter. Chinese Journal of Mechanical Engineering, 40(8):160-165 (in Chinese).

[5] McMackin, L., Hugo, R.J., Bishop, K.P., Chen, E.Y., Pierson, R.E., Truman, C.R., 1999. High speed optical tomography system for quantitative measurement and visualization of dynamic features in a round jet. Experiments in Fluids, 26:249-256.

[6] Modica, A., Stepakoff, G., Rosenbaum, H., 1970. A Shock Study of Plasma Alleviation by Oxide Dust. NASA SP-232, p.531.

[7] Teng, Y., Li, Y.G., Zhou, W.G., 2002. Present and prospective techniques for gas-solid two-phase flow measurement. Journal of Shanghai University of Electric Power, 18(4):39-43 (in Chinese).

[8] Yan, Y., Byrne, B., Coulthard, J., 1995. Sensing field homogeneity in mass flow rate measurement of pneumatically conveyed solids. Flow Measurement Instrument, 6(2):115-119.

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